MARK G BERRY D.O.
NPI 1336121938
Internal Medicine - Interventional Cardiology in Duluth, MN

NPI Status: Active since November 18, 2005

Contact Information

1001 E SUPERIOR ST
DULUTH, MN
ZIP 55802
Phone: (218) 249-3057
Fax: (218) 249-3091

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  • Individual
  • Male
  • Years of Experience 29
  • Internal Medicine
  • Interventional Cardiology
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About MARK BERRY

This page provides the complete NPI Profile along with additional information for Mark Berry, an internist established in Duluth, Minnesota with a medical specialization in Internal Medicine, focusing in interventional cardiology and more than 29 years of experience. He graduated from Des Moines University Of Osteopathic Medicine And Health Sciences in 1998. The healthcare provider is registered in the NPI registry with number 1336121938 assigned on November 2005. The practitioner's primary taxonomy code is 207RI0011X with license number 73897 (MN). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1336121938
Provider Name
MARK G BERRY D.O.
Gender
Male
Entity Type
Individual
Location Address
1001 E SUPERIOR ST DULUTH, MN 55802
Location Phone
(218) 249-3057
Location Fax
(218) 249-3091
Mailing Address
800 KENYON RD FORT DODGE, IA 50501
Mailing Phone
(515) 574-6840
Mailing Fax
(218) 249-3091
Medical School Name
DES MOINES UNIVERSITY OF OSTEOPATHIC MEDICINE AND HEALTH SCIENCES
Graduation Year
1998
Is Sole Proprietor?
No
Enumeration Date
11-18-2005
Last Update Date
04-09-2026
Code Navigator

An internist like Mark Berry is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Interventional Cardiology

Taxonomy Code
207RI0011X
Type
Allopathic & Osteopathic Physicians
License No.
73897
License State
MN
Taxonomy Description
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

  • Atlas $1,300 Gold - PPO
  • Atlas $2,000 Standard Gold - PPO
  • Atlas $3,050 Plus Silver - PPO
  • Atlas $3,800 HSA Silver - PPO
  • Atlas $6,000 Standard Silver - PPO
  • Atlas $6,800 Plus Bronze HSA - PPO
  • Atlas $7,500 Standard Bronze HSA - PPO
  • Atlas $8,400 HSA Bronze - PPO
  • Inspire by Medica Bronze $0 Copay PCP Visits - EPO
  • Inspire by Medica Bronze Share - EPO
  • Inspire by Medica Expanded Bronze Standard - EPO
  • Inspire by Medica Gold $0 Copay PCP Visits - EPO
  • Inspire by Medica Gold Share - EPO
  • Inspire by Medica Gold Standard - EPO
  • Inspire by Medica Silver $0 Copay PCP Visits - EPO
  • Inspire by Medica Silver Share - EPO
  • Inspire by Medica Silver Standard - EPO
  • Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
  • Medica Individual Choice Bronze HSA - EPO
  • Medica Individual Choice Bronze Share - EPO
  • Medica Individual Choice Bronze Share - HMO
  • Medica Individual Choice Expanded Bronze Standard - EPO
  • Medica Individual Choice Expanded Bronze Standard - HMO
  • Medica Individual Choice Gold $0 Copay PCP Visits - EPO
  • Medica Individual Choice Gold $0 Copay PCP Visits - HMO
  • Medica Individual Choice Gold Share - EPO
  • Medica Individual Choice Gold Share - HMO
  • Medica Individual Choice Gold Standard - EPO
  • Premier $2,000 - 25% - HMO
  • Premier $3,500 - 30% - HMO
  • Premier $4,000 - 50% - HMO
  • Premier $5,000 HDHP - HMO
  • Premier $6,000 - 40% - HMO
  • Premier $7,500 - HMO
  • Premier $7,500 HDHP - HMO
  • Premier HMO $1,500 - 30% - HMO
  • Premier HMO $2,500 - 20% Copay - HMO
  • Premier HMO $3,400 - 30% HDHP - HMO
  • Premier HMO $3,500 - 30% - HMO
  • Premier HMO $3,500 HDHP - HMO
  • Premier HMO $4,000 - 20% HDHP - HMO
  • Premier HMO $5,000 - 20% HDHP - HMO
  • Premier HMO $5,500 - 40% Copay - HMO
  • Premier HMO $7,500 HDHP - HMO
  • Premier HMO $750 - 10% - HMO
  • Premier HMO $9,500 - HMO
  • Premier POS $1,500 - 30% - POS
  • Premier POS $2,500 - 20% Copay - POS

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
0432666MEDICAID (05)IA 

Medicare Participation & PECOS Enrollment Status

Mark Berry is registered with Medicare and accepts claims assignment, this means the provider accepts the approved amount for the cost of rendered services as full payment. Participating providers may not charge beneficiaries more than the approved amount for their services. Please keep in mind that beneficiaries still have to pay a coinsurance or copayment amount for a visit or service.

Mark Berry is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Part B Clinical Laboratory and Imaging, Durable Medical Equipment (DME), a Home Health Agency (HHA) and Power Mobility Devices.

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • PECOS PAC ID: 9739179623

    What is the PECOS Associate Control ID?
    A PAC ID is a unique 10-digit number assigned to an individual or organization healthcare provider in PECOS. The PAC ID is used to link together all the provider information, like tax identification numbers and organizational names. A PAC ID can be connected to multiple Enrollment IDs if an individual or organization has enrolled in PECOS more than once.

  • PECOS Enrollment ID: I20230710000373, I20251106004752

    What is the Provider Enrollment ID?
    The Enrollment ID is a unique alphanumeric 15-digit code assigned to each new provider's PECOS enrollment application. The Enrollment ID is used to link together all the provider enrollment information like enrollment type, state, provider specialty, and reassignment of benefits.

  • Accepts Medicare Assignment? Yes

    What does it mean "accepts medicare assignment"?
    When a provider accepts Medicare assignment, the provider agrees to be paid directly by Medicare and to accept the payment amount approved by Medicare. Additionally, the provider agrees to not bill patients for more than the Medicare deductible and coinsurance amounts.
    A provider who doesn't accept assignment may charge you up to 15% over the Medicare-approved amount. This is known as the limiting charge. You may have to pay this amount, or it may be covered by another insurer.

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: Yes

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): Yes

  • Eligible to Order or Refer Power Mobility Devices: Yes

Provider Referred Orders for Durable Medical Equipment, Devices & Supplies

The following list reflects the services, supplies or durable medical equipment ordered by this provider to a DME supplier on behalf of patients. The information below is derived from Medicare claims data and reflects the BETOS category, HCPCS code information and the number times each service was submitted under the Medicare fee-for-service program.

Durable Medical Equipment

  • DME-Other DME (DE001N)

    Tubing with integrated heating element for use with positive airway pressure device (HCPCS:A4604)

    17 DME suppliers used 188 Medicare Claims 188 Services Paid

  • DME-Other DME (DE001N)

    Full face mask used with positive airway pressure device, each (HCPCS:A7030)

    23 DME suppliers used 234 Medicare Claims 234 Services Paid

  • DME-Other DME (DE001N)

    Face mask interface, replacement for full face mask, each (HCPCS:A7031)

    18 DME suppliers used 266 Medicare Claims 467 Services Paid

  • DME-Other DME (DE001N)

    Cushion for use on nasal mask interface, replacement only, each (HCPCS:A7032)

    18 DME suppliers used 117 Medicare Claims 410 Services Paid

  • DME-Other DME (DE001N)

    Pillow for use on nasal cannula type interface, replacement only, pair (HCPCS:A7033)

    17 DME suppliers used 122 Medicare Claims 472 Services Paid

  • DME-Other DME (DE001N)

    Nasal interface (mask or cannula type) used with positive airway pressure device, with or without head strap (HCPCS:A7034)

    24 DME suppliers used 188 Medicare Claims 188 Services Paid

  • DME-Other DME (DE001N)

    Headgear used with positive airway pressure device (HCPCS:A7035)

    29 DME suppliers used 318 Medicare Claims 318 Services Paid

  • DME-Other DME (DE001N)

    Chinstrap used with positive airway pressure device (HCPCS:A7036)

    8 DME suppliers used 20 Medicare Claims 20 Services Paid

  • DME-Other DME (DE001N)

    Tubing used with positive airway pressure device (HCPCS:A7037)

    22 DME suppliers used 230 Medicare Claims 230 Services Paid

  • DME-Other DME (DE001N)

    Filter, disposable, used with positive airway pressure device (HCPCS:A7038)

    28 DME suppliers used 428 Medicare Claims 2002 Services Paid

  • DME-Other DME (DE001N)

    Filter, non disposable, used with positive airway pressure device (HCPCS:A7039)

    19 DME suppliers used 115 Medicare Claims 115 Services Paid

  • DME-Other DME (DE001N)

    Water chamber for humidifier, used with positive airway pressure device, replacement, each (HCPCS:A7046)

    20 DME suppliers used 126 Medicare Claims 126 Services Paid

  • DME-Other DME (DE001N)

    Respiratory assist device, bi-level pressure capability, without backup rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) (HCPCS:E0470)

    8 DME suppliers used 63 Medicare Claims 63 Services Paid

  • DME-Other DME (DE001N)

    Respiratory assist device, bi-level pressure capability, with back-up rate feature, used with noninvasive interface, e.g., nasal or facial mask (intermittent assist device with continuous positive airway pressure device) (HCPCS:E0471)

    4 DME suppliers used 29 Medicare Claims 29 Services Paid

  • DME-Other DME (DE001N)

    Humidifier, heated, used with positive airway pressure device (HCPCS:E0562)

    10 DME suppliers used 25 Medicare Claims 25 Services Paid

  • DME-Other DME (DE001N)

    Humidifier, heated, used with positive airway pressure device (HCPCS:E0562)

    6 DME suppliers used 176 Medicare Claims 176 Services Paid

  • DME-Other DME (DE001N)

    Continuous positive airway pressure (cpap) device (HCPCS:E0601)

    22 DME suppliers used 475 Medicare Claims 475 Services Paid

  • DME-Oxygen and Supplies (DC002N)

    Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate (HCPCS:E1390)

    5 DME suppliers used 80 Medicare Claims 81 Services Paid

Areas of Expertise

The following services and procedures, recently provided to Medicare patients, illustrate the range of care this provider offers. This list reflects the variety of services available to all patients visiting the practice and is based on 2022 Medicare dataset. In general, the more frequently a provider treats specific conditions or performs particular procedures, the more experienced they become in addressing similar patient needs. The provider has delivered many of the services listed below to Medicare patients. Please note that this list does not include services provided to patients who are not covered by Medicare.

Blood test, clotting time

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

This service was performed 150 times for 32 patients

Electrocardiogram (ecg) 2-day continuous with report

An Electrocardiogram (ECG) is a test that records the electrical activity of your heart over a 2-day period. It helps doctors understand how well your heart is working. A small device is attached to your chest to record the data. A report is then prepared based on these findings.

This service was performed 23 times for 23 patients

Electrocardiogram (ecg) 2-day continuous with review and report by health care professional

An Electrocardiogram (ECG) is a non-invasive test that records the electrical activity of your heart. In a 2-day continuous ECG, sensors attached to your chest monitor your heart's rhythm over 48 hours. A healthcare professional then reviews the data to identify any irregularities.

This service was performed 51 times for 51 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

This service was performed 29 times for 29 patients

Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional

An Electrocardiogram (ECG) is a test that records the electrical activity of your heart. For up to 30 days, a device will continuously monitor your heart's rhythm, noting any symptoms. The data is sent to a healthcare professional who reviews it and provides a report on your heart health.

This service was performed 14 times for 14 patients

Established patient office or other outpatient visit, 20-29 minutes

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

This service was performed 113 times for 113 patients

Established patient office or other outpatient visit, 30-39 minutes

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

This service was performed 1,021 times for 766 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

This service was performed 61 times for 30 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

This service was performed 562 times for 444 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

This service was performed 420 times for 328 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

This service was performed 146 times for 119 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

This service was performed 150 times for 149 patients

External shock to heart to regulate heart beat

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

This service was performed 17 times for 15 patients

Follow-up hospital inpatient care per day, typically 25 minutes

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

This service was performed 31 times for 20 patients

Heart muscle strain imaging

Heart muscle strain imaging is a non-invasive test that uses sound waves to create pictures of your heart. It helps doctors evaluate how well your heart muscle is working and detect any damage or disease. This can aid in diagnosing heart conditions and guiding treatment plans.

This service was performed 11 times for 11 patients

Heart rhythm recording, analysis, report, review, and interpretation of continous external ekg over more than 48 hours up to 7 days

This procedure involves wearing a device for up to 7 days to continuously record your heart's electrical activity. The data collected helps in understanding your heart's rhythm and detecting irregularities if any. The results are then analyzed, reported, and interpreted by experts.

This service was performed 11 times for 11 patients

Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation

A Home Sleep Test (HST) with a Type III Portable Monitor is an unattended test that records your breathing, heart rate, and oxygen levels during sleep. This test uses a minimum of 4 channels to monitor these parameters, helping to diagnose sleep disorders.

This service was performed 25 times for 25 patients

Initial hospital inpatient care per day, typically 70 minutes

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

This service was performed 11 times for 11 patients

Injection, perflutren lipid microspheres, per ml

Perflutren lipid microspheres injection, per ml, is a diagnostic tool used to enhance ultrasound images. It contains tiny gas-filled bubbles that improve the clarity of the images, aiding in a more accurate diagnosis.

This service was performed 90 times for 44 patients

Injection, regadenoson, 0.1 mg

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

This service was performed 380 times for 95 patients

Insertion of pacemaker and upper and lower heart chamber electrode

A pacemaker insertion is a procedure where a small device, called a pacemaker, is implanted under your skin. This device uses electrical pulses to prompt the heart to beat at a normal rate. Electrodes are placed in the upper and lower chambers of your heart to help regulate your heartbeat.

This service was performed 11 times for 11 patients

Interrogation device evaluation(s), (remote) up to 30 days; implantable cardiovascular physiologic monitor system, implantable loop recorder system, or subcutaneous cardiac rhythm monitor system, remote data acquisition(s), receipt of transmissions and tec

This procedure involves the remote monitoring of an implanted device in your heart for up to 30 days. The device collects data about your heart's function which is transmitted and analyzed. The goal is to track your heart's rhythm and identify any abnormalities.

This service was performed 60 times for 30 patients

New patient office or other outpatient visit, 45-59 minutes

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

This service was performed 144 times for 144 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

This service was performed 139 times for 139 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

This service was performed 135 times for 30 patients

Pacemaker insertion or repair

Pacemaker insertion or repair is a procedure to help regulate your heartbeat. A small device, called a pacemaker, is implanted under the skin near your heart. This device sends electrical signals to prompt your heart to beat at a normal rate. In a repair procedure, the pacemaker may be adjusted, replaced, or the wires connecting it to your heart may be fixed.

This service was performed for 17 patients

Physician review, interpretation, and patient management of home inr testing for patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; testing not occurring more frequent

This service involves your doctor evaluating your home INR (a blood clotting test) results. It's for patients with a mechanical heart valve, chronic atrial fibrillation, or venous thromboembolism who meet specific criteria. It helps manage your treatment, but tests aren't conducted frequently.

This service was performed 783 times for 83 patients

Programming of dual lead implantable defibrillator system

Programming of a dual lead implantable defibrillator system involves adjusting settings on a device implanted in your chest. This device monitors your heart rhythm and delivers electrical pulses to correct irregular heartbeats, helping maintain a healthy heart rhythm.

This service was performed 12 times for 11 patients

Programming of dual lead pacemaker system

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

This service was performed 65 times for 63 patients

Programming of multiple lead implantable defibrillator system

Programming of a multiple lead implantable defibrillator system involves adjusting settings on your implanted device to help control irregular heart rhythms. The process is non-invasive and helps ensure optimal device performance for maintaining heart health.

This service was performed 21 times for 19 patients

Programming of single lead pacemaker system

Programming of a single lead pacemaker system involves adjusting the pacemaker's settings to suit your heart's unique needs. This is done using a special device that communicates with the pacemaker, ensuring it helps your heart beat at an optimal rate.

This service was performed 12 times for 12 patients

Provision of test materials and equipment for home inr monitoring of patient with either mechanical heart valve(s), chronic atrial fibrillation, or venous thromboembolism who meets medicare coverage criteria; includes: provision of materials for use in the

This service provides you with the necessary materials and equipment for home INR monitoring. It's for patients with mechanical heart valves, chronic atrial fibrillation, or venous thromboembolism. The materials are for those who meet Medicare's coverage criteria. This enables you to monitor your health at home.

This service was performed 788 times for 84 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

This service was performed 369 times for 347 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

This service was performed 461 times for 329 patients

Sleep study in sleep lab (6 years or older)

A sleep study in a sleep lab is a non-invasive overnight test that monitors your body while you sleep. It helps doctors understand your sleep patterns and identify any issues like sleep apnea or insomnia. You'll be connected to equipment that tracks your heart rate, brain waves, breathing, and movements.

This service was performed 13 times for 13 patients

Technetium tc-99m sestamibi, diagnostic, per study dose

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

This service was performed 278 times for 139 patients

Ultrasound of heart blood flow, valves and chambers, follow-up

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

This service was performed 61 times for 59 patients

Ultrasound of heart blood flow, valves and chambers, follow-up

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

This service was performed 52 times for 52 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

This service was performed 61 times for 59 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

This service was performed 52 times for 52 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 584 times for 571 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

This service was performed 775 times for 769 patients

Ultrasound of heart with probe in esophagus, with report

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

This service was performed 30 times for 29 patients

Ultrasound of heart, follow-up

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

This service was performed 39 times for 39 patients

Ultrasound of heart, follow-up

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

This service was performed 59 times for 59 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $31.9 for a new patient copayment and $24.65 for an established patient copayment.

The pricing information below displays the copayment minimum, maximum and average amount that patients under Medicare are charged when visiting this provider as a new or established patient. Please keep in mind that these prices are just for reference purposes, and the actual prices charged by the provider might be different.

For patients covered under private health plans the prices below are also useful as healthcare pricing for private insurance is usually established as a function of Medicare prices. Private insurance covered patients should check their individual plans to determine the exact pricing.

The prices below reflect the costs for new and established patients in the 55802 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99204

  • Average New Patient Price $127.61
  • Minimum New Patient Price $56
  • Maximum New Patient Price $168.28
  • Average New Patient Copayment $31.9
  • Minimum New Patient Copayment $14
  • Maximum New Patient Copayment $42.07

Established Patients Visit Costs *

The most utilized procedure code for established patients office visits is 99214

  • Average Established Patient Price $98.61
  • Minimum Established Patient Price $18.32
  • Maximum Established Patient Price $138.04
  • Average Established Patient Copayment $24.65
  • Minimum Established Patient Copayment $4.58
  • Maximum Established Patient Copayment $34.51

* The physician office visit costs information is generated by statistical analysis of similar providers in the same geographical area. The pricing information above IS NOT the amount charged by this provider.

Find Provider Hospital Affiliations - Privileges

Doctors and physicians must apply for hospital privileges to treat patients at hospitals. Find out if your doctor has privileges to practice at your preferred hospital by using the hospital affiliation information below based on recent medical claims.

Hospital affiliation is identified through self-reporting data, inpatient, outpatient, physician and ancillary service claims linked by the medical claims NPI number and place of service code. Additionally, to further determine provider hospital affiliation the clinician must have provided services to at least three patients on three different dates in the last 12 months. Mark Berry is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
NORTH MEMORIAL HEALTH HOSPITAL3300 OAKDALE NORTH
ROBBINSDALE, MN 55422
(763) 520-5200Acute Care Hospitals
ST LUKES HOSPITAL915 EAST 1ST STREET
DULUTH, MN 55805
(218) 249-2449Acute Care Hospitals
LAKE VIEW MEMORIAL HOSPITAL325 ELEVENTH AVE
TWO HARBORS, MN 55616
(218) 834-7300Critical Access Hospitals
COMMUNITY MEMORIAL HOSPITAL512 SKYLINE BOULEVARD
CLOQUET, MN 55720
(218) 879-4641Critical Access Hospitals
ASPIRUS WAUSAU HOSPITAL333 PINE RIDGE BLVD
WAUSAU, WI 54401
(715) 847-2121Acute Care Hospitals

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1336121938, we treat the final digit (8) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
3
Doubled → 6
Pos 4
6
Unchanged
Pos 5
1
Doubled → 2
Pos 6
2
Unchanged
Pos 7
1
Doubled → 2
Pos 8
9
Unchanged
Pos 9
3
Doubled → 6
Check
8
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 3 → 6 1 → 2 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 3 + 6 + 6 + 2 + 2 + 2 + 9 + 6 + 24 = 62

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1336121938.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine
1001 E SUPERIOR ST, STE. L401
DULUTH, MN 55802
Internal Medicine (Hematology & Oncology)
1001 E SUPERIOR ST, SUITE L101
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, STE L401
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, SUITE L401
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, STE L401
DULUTH, MN 55802
Internal Medicine (Infectious Disease)
1001 E SUPERIOR ST, STE L201
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, STE L401
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, SUITE L401
DULUTH, MN 55802
Internal Medicine (Cardiovascular Disease)
1001 E SUPERIOR ST, SUITE L201
DULUTH, MN 55802
Internal Medicine (Hematology & Oncology)
1001 E SUPERIOR ST, STE. L101
DULUTH, MN 55802
Urology
1001 E SUPERIOR ST, STE L201
DULUTH, MN 55802
Internal Medicine (Infectious Disease)
1001 E SUPERIOR ST, SUITE L201
DULUTH, MN 55802
Internal Medicine (Infectious Disease)
1001 E SUPERIOR ST, STE. L201
DULUTH, MN 55802
Nurse Practitioner (Family)
1001 E SUPERIOR ST, STE. L401
DULUTH, MN 55802
Internal Medicine (Cardiovascular Disease)
1001 E SUPERIOR ST, STE L201
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, SUITE L401
DULUTH, MN 55802
Internal Medicine (Cardiovascular Disease)
1001 E SUPERIOR ST, STE. L201
DULUTH, MN 55802
Urology
1001 E SUPERIOR ST, STE. L201
DULUTH, MN 55802
Radiology (Diagnostic Radiology)
1001 E SUPERIOR ST, SUITE L101
DULUTH, MN 55802
Internal Medicine
1001 E SUPERIOR ST, STE L401
DULUTH, MN 55802

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1336121938, enumerated as an "individual" on November 18, 2005.

The provider is located at 1001 E SUPERIOR ST DULUTH, MN 55802 and the phone number is (218) 249-3057.

Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.

The provider might be accepting Accepts: HealthPartners, Medica, Security Health Plan,. Please consult your insurance carrier or call the provider to verify.

Mark Berry is affiliated with: NORTH MEMORIAL HEALTH HOSPITAL, ST LUKES HOSPITAL, LAKE VIEW MEMORIAL HOSPITAL, COMMUNITY MEMORIAL HOSPITAL and ASPIRUS WAUSAU HOSPITAL.