THOMAS G. MALLOY M.D.
NPI 1285696161
Internal Medicine - Gastroenterology in Duluth, MN

NPI Status: Active since April 05, 2006

Contact Information

400 E 3RD ST
ESSENTIA HEALTH DULUTH CLINIC
DULUTH, MN
ZIP 55805
Phone: (218) 786-8364
Fax: (218) 786-8364

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  • Individual
  • Male
  • Internal Medicine
  • Gastroenterology
  • Accepts Insurance
  • PECOS Enrolled

About THOMAS MALLOY

This page provides the complete NPI Profile along with additional information for Thomas Malloy, an internist established in Duluth, Minnesota with a medical specialization in Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1285696161 assigned on April 2006. The practitioner's primary taxonomy code is 207RG0100X with license number 107458 (MN). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1285696161
Provider Name
THOMAS G. MALLOY M.D.
Gender
Male
Entity Type
Individual
Location Address
400 E 3RD ST ESSENTIA HEALTH DULUTH CLINIC DULUTH, MN 55805
Location Phone
(218) 786-8364
Location Fax
(218) 786-8364
Mailing Address
400 E 3RD ST ESSENTIA HEALTH DULUTH CLINIC DULUTH, MN 55805
Mailing Phone
(218) 786-8364
Is Sole Proprietor?
No
Enumeration Date
04-05-2006
Last Update Date
05-06-2014
Code Navigator

An internist like Thomas Malloy 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 Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
107458
License State
MN
Taxonomy Description
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207RG0100XAllopathic & Osteopathic Physicians

Internal Medicine
Gastroenterology

31007 (WI)

Insurance Plans Accepted

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

  • Essentia Choice Care with Medica Bronze $0 Copay PCP Visits - HMO
  • Essentia Choice Care with Medica Bronze HSA - EPO
  • Essentia Choice Care with Medica Bronze Share - EPO
  • Essentia Choice Care with Medica Bronze Share - HMO
  • Essentia Choice Care with Medica Expanded Bronze Standard - EPO
  • Essentia Choice Care with Medica Expanded Bronze Standard - HMO
  • Essentia Choice Care with Medica Gold $0 Copay PCP Visits - EPO
  • Essentia Choice Care with Medica Gold $0 Copay PCP Visits - HMO
  • Essentia Choice Care with Medica Gold Share - EPO
  • Essentia Choice Care with Medica Gold Share - HMO
  • Essentia Choice Care with Medica Gold Standard - EPO
  • Essentia Choice Care with Medica Gold Standard - HMO
  • Essentia Choice Care with Medica Silver $0 Copay PCP Visits - EPO
  • Essentia Choice Care with Medica Silver $0 Copay PCP Visits - HMO
  • Essentia Choice Care with Medica Silver Share - EPO
  • Essentia Choice Care with Medica Silver Share - HMO
  • Essentia Choice Care with Medica Silver Standard - EPO
  • Essentia Choice Care with Medica Silver Standard - HMO
  • Medica Individual Choice Bronze $0 Copay PCP Visits - HMO
  • Medica Individual Choice Bronze Share - HMO

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.

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
31598000MEDICAID (05)WI 
P00700736OTHER (01)WIRR MEDICARE
A03658MEDICARE UPIN (02) 
46236-4633MEDICARE PIN (08)WI 
01994-0395MEDICARE PIN (08)WI 

Medicare Participation & PECOS Enrollment Status

Thomas Malloy 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: Durable Medical Equipment (DME) 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

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No

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

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: Yes

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.

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

This service was performed 33 times for 33 patients

Biopsy of large bowel using a flexible endoscope

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

This service was performed 30 times for 30 patients

Colonoscopy

A colonoscopy is a medical procedure that allows your doctor to examine your colon (the large intestine). It utilizes a thin, flexible tube with a tiny camera on the end, which is inserted through the rectum. This procedure can help identify issues such as polyps, inflammation, or early signs of cancer. It's usually recommended for people over 50 or those with specific risk factors.

This service was performed for 51 patients

Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope

This procedure, known as an upper endoscopy, involves inserting a thin, flexible tube with a camera down the throat to examine the esophagus, stomach, and upper small bowel. It helps diagnose conditions like ulcers or inflammation.

This service was performed 20 times for 20 patients

Initial hospital inpatient care per day, typically 50 minutes

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

This service was performed 21 times for 21 patients

Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito

Moderate sedation is a method where a physician uses medication to help you relax during a gastrointestinal endoscopy. An independent trained observer will be present to monitor your vital signs and ensure your safety throughout the procedure. It's a common and safe practice.

This service was performed 14 times for 14 patients

Monitoring and recording of esophageal function through a capsule attached to the esophagus wall

This procedure involves a small capsule being attached to your esophagus wall. It measures and records how your esophagus is functioning, helping to identify any potential issues. You won't feel the capsule and it will pass naturally through your system after a few days.

This service was performed 12 times for 12 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

This service was performed 30 times for 30 patients

Study of esophagus to assess movement

This procedure, known as esophageal manometry, involves studying the esophagus or food pipe to evaluate its movement and pressure. It helps understand how well the esophagus can move food to the stomach. Involving a thin, flexible tube, it's a safe, minimally invasive test.

This service was performed 15 times for 15 patients

Upper gastrointestinal (GI) endoscopy for acid reflux

An upper GI endoscopy is a procedure to examine your esophagus and stomach using a thin, flexible tube called an endoscope. It helps diagnose conditions like acid reflux by identifying any inflammation or damage. It's generally safe, performed under sedation, and takes about 15-30 minutes.

This service was performed for 25 patients

Physician Visit Costs

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 55805 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.

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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 1285696161, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
2
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
9
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
1
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 8 → 16 → 7 6 → 12 → 3 6 → 12 → 3 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 2 + 9 + 1 + 2 + 1 + 1 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1285696161.

Other Providers at the Same Location


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

Anesthesiology
400 E 3RD ST
DULUTH, MN 55805
Nurse Anesthetist, Certified Registered
400 E 3RD ST, DULUTH CLINIC
DULUTH, MN 55805
Internal Medicine (Endocrinology, Diabetes & Metabolism)
400 E 3RD ST
DULUTH, MN 55805
Pharmacist
400 E 3RD ST
DULUTH, MN 55805
Physician Assistant
400 E 3RD ST, DULUTH CLINIC, INTERNAL MEDICINE
DULUTH, MN 55805
Specialist/Technologist (Athletic Trainer)
400 E 3RD ST
DULUTH, MN 55805
Nurse Practitioner (Family)
400 E 3RD ST
DULUTH, MN 55805
Specialist/Technologist (Athletic Trainer)
400 E 3RD ST
DULUTH, MN 55805
Physician Assistant (Medical)
400 E 3RD ST, MAILDROP: 1S2W50
DULUTH, MN 55805
Pediatrics (Pediatric Critical Care Medicine)
400 E 3RD ST
DULUTH, MN 55805
Nurse Practitioner (Family)
400 E 3RD ST
DULUTH, MN 55805
Physician Assistant
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine (Cardiovascular Disease)
400 E 3RD ST
DULUTH, MN 55805
Nurse Practitioner (Family)
400 E 3RD ST
DULUTH, MN 55805
Family Medicine (Sports Medicine)
400 E 3RD ST
DULUTH, MN 55805
Radiology (Therapeutic Radiology)
400 E 3RD ST
DULUTH, MN 55805
Nurse Anesthetist, Certified Registered
400 E 3RD ST
DULUTH, MN 55805
Obstetrics & Gynecology
400 E 3RD ST
DULUTH, MN 55805
Nurse Anesthetist, Certified Registered
400 E 3RD ST
DULUTH, MN 55805
Internal Medicine (Cardiovascular Disease)
400 E 3RD ST
DULUTH, MN 55805

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285696161, enumerated as an "individual" on April 05, 2006.

The provider is located at 400 E 3RD ST ESSENTIA HEALTH DULUTH CLINIC DULUTH, MN 55805 and the phone number is (218) 786-8364.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.

The provider might be accepting Accepts: Medica, Medicare, Medicaid and Railroad Medicare. Please consult your insurance carrier or call the provider to verify.