THOMAS BRICE ADDISON MD
NPI 1871594754
Internal Medicine - Geriatric Medicine in Great Falls, MT

NPI Status: Active since August 02, 2005

Contact Information

1401 25TH ST S
GREAT FALLS, MT
ZIP 59405
Phone: (406) 731-8888
Fax: (406) 731-8839

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  • Individual
  • Male
  • Years of Experience 42
  • Internal Medicine
  • Geriatric Medicine
  • Accepts Insurance
  • Accepts Medicare Approved Payment
  • PECOS Enrolled

About THOMAS ADDISON

This page provides the complete NPI Profile along with additional information for Thomas Addison, an internist established in Great Falls, Montana with a medical specialization in Internal Medicine, focusing in geriatric medicine and more than 42 years of experience. He graduated from Mayo Medical School in 1984. The healthcare provider is registered in the NPI registry with number 1871594754 assigned on August 2005. The practitioner's primary taxonomy code is 207RG0300X with license number 5064 (MT). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1871594754
Provider Name
THOMAS BRICE ADDISON MD
Gender
Male
Entity Type
Individual
Location Address
1401 25TH ST S GREAT FALLS, MT 59405
Location Phone
(406) 731-8888
Location Fax
(406) 731-8839
Mailing Address
1401 25TH ST S GREAT FALLS, MT 59405
Mailing Phone
(406) 731-8888
Mailing Fax
(406) 731-8839
Medical School Name
MAYO MEDICAL SCHOOL
Graduation Year
1984
Is Sole Proprietor?
No
Enumeration Date
08-02-2005
Last Update Date
04-05-2024
Code Navigator

An internist like Thomas Addison 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 Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
License No.
5064
License State
MT
Taxonomy Description
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

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)
1207R00000XAllopathic & Osteopathic Physicians

Internal Medicine

5064 (MT)

Insurance Plans Accepted

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

  • Blue Focus Bronze POS? 205 - POS
  • Blue Focus Bronze POS? 705 - POS
  • Blue Focus Bronze POS? Standard - POS
  • Blue Focus Gold POS? 207 - POS
  • Blue Focus Gold POS? 902 - POS
  • Blue Focus Gold POS? Standard - POS
  • Blue Focus Silver POS? 206 - POS
  • Blue Focus Silver POS? 903 - POS
  • Blue Focus Silver POS? Standard - POS
  • Blue Preferred Bronze PPO? 201 - PPO
  • Blue Preferred Bronze PPO? 202 - PPO
  • Blue Preferred Bronze PPO? Standard - PPO
  • Blue Preferred Gold PPO? 204 - PPO
  • Blue Preferred Gold PPO? 901 - PPO
  • Blue Preferred Gold PPO? Standard - PPO
  • Blue Preferred Security PPO? 200 - PPO
  • Blue Preferred Silver PPO? 203 - PPO
  • Blue Preferred Silver PPO? 308 - PPO
  • Blue Preferred Silver PPO? Standard - PPO
  • Peak PPO Bronze HDHP - PPO
  • Peak PPO Bronze Standard - PPO
  • Peak PPO Catastrophic - PPO
  • Peak PPO Gold - PPO
  • Peak PPO Gold Standard - PPO
  • Peak PPO Silver - PPO
  • Peak PPO Silver Standard - PPO
  • Plus Bronze - PPO
  • Plus Bronze Standard - PPO
  • Plus Gold - PPO
  • Plus Gold Standard - PPO
  • Plus Silver Standard - PPO
  • PEAK PPO BRONZE - PPO
  • PEAK PPO BRONZE HDHP - PPO
  • PEAK PPO GOLD - PPO
  • PEAK PPO GOLD HDHP - PPO
  • PEAK PPO SILVER - PPO
  • PEAK PPO SILVER HDHP - PPO
  • Plus Bronze HDHP - PPO
  • Plus Gold HDHP - PPO
  • Core Bronze HSA 10600 - EPO
  • Core Bronze HSA 7500 - EPO
  • Core Bronze HSA 8300 - EPO
  • Core Gold 1500 - EPO
  • Core Gold 3000 - EPO
  • Core Silver 3500 - EPO
  • Core Silver 4500 - EPO
  • Core Silver 5000 - EPO
  • Core Silver 7500 - EPO
  • Core Standard Expanded Bronze HSA - EPO
  • Core Standard Gold - EPO
  • Core Standard Silver - EPO
  • PacificSource Oregon Standard Bronze HSA Plan Core - EPO
  • PacificSource Oregon Standard Gold Plan Core - EPO
  • PacificSource Oregon Standard Silver Plan Core - EPO
  • HSA-E Qualified 7500 Bronze - Signature Network - EPO
  • Providence Oregon Standard Bronze Plan - Signature Network - EPO
  • Providence Oregon Standard Gold Plan - Signature Network - EPO
  • Providence Oregon Standard Silver Plan - Signature Network - EPO

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

Medicare Participation & PECOS Enrollment Status

Thomas Addison 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.

Thomas Addison 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: 5991852147

    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: I20090406000318

    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.

Orthotic Devices

  • DME-Orthotic Devices (DF000N)

    Insertion tray with drainage bag with indwelling catheter, foley type, two-way latex with coating (teflon, silicone, silicone elastomer or hydrophilic, etc.) (HCPCS:A4314)

    2 DME suppliers used 18 Medicare Claims 18 Services Paid

  • DME-Orthotic Devices (DF000N)

    Bedside drainage bag, day or night, with or without anti-reflux device, with or without tube, each (HCPCS:A4357)

    2 DME suppliers used 18 Medicare Claims 25 Services Paid

Durable Medical Equipment

  • DME-Other DME (DE001N)

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

    4 DME suppliers used 15 Medicare Claims 49 Services Paid

  • DME-Oxygen and Supplies (DC000N)

    Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing (HCPCS:E0431)

    5 DME suppliers used 64 Medicare Claims 65 Services Paid

  • DME-Oxygen and Supplies (DC000N)

    Portable oxygen contents, gaseous, 1 month's supply = 1 unit (HCPCS:E0443)

    1 DME suppliers used 12 Medicare Claims 12 Services Paid

  • DME-Other DME (DE001N)

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

    3 DME suppliers used 21 Medicare Claims 21 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)

    6 DME suppliers used 76 Medicare Claims 76 Services Paid

  • DME-Wheelchairs (DD000N)

    Standard wheelchair (HCPCS:K0001)

    1 DME suppliers used 13 Medicare Claims 13 Services Paid

  • DME-Other DME (DE017N)

    Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service (HCPCS:K0553)

    4 DME suppliers used 45 Medicare Claims 46 Services Paid

  • DME-Other DME (DE000N)

    Pharmacy dispensing fee for inhalation drug(s); per 30 days (HCPCS:Q0513)

    2 DME suppliers used 14 Medicare Claims 14 Services Paid

Drugs Administered Through DME

  • DME-Drugs Administered Through DME (DG006N)

    Albuterol, up to 2.5 mg and ipratropium bromide, up to 0.5 mg, fda-approved final product, non-compounded, administered through dme (HCPCS:J7620)

    1 DME suppliers used 13 Medicare Claims 780 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.

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

This service was performed 127 times for 127 patients

Aspiration and/or injection of fluid from large joint

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

This service was performed 22 times for 17 patients

Complete ultrasound study of arm and leg arteries

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

This service was performed 23 times for 23 patients

Destruction of precancer skin growth, 1 growth

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

This service was performed 27 times for 21 patients

Destruction of precancer skin growth, 2-14 growths

This procedure involves removing 2-14 precancerous skin growths. The growths are treated to prevent them from potentially developing into skin cancer. The process is safe, with minimal discomfort, and promotes healthier skin.

This service was performed 25 times for 15 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 36 times for 36 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 299 times for 132 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 386 times for 148 patients

Established patient office or other outpatient visit, 40-54 minutes

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

This service was performed 72 times for 65 patients

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

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

This service was performed 89 times for 87 patients

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

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

This service was performed 34 times for 34 patients

Follow-up nursing facility visit per day, typically 10 minutes

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

This service was performed 22 times for 14 patients

Follow-up nursing facility visit per day, typically 10 minutes

A follow-up nursing facility visit per day typically lasts about 10 minutes. This service involves a healthcare professional checking on your health status, answering any questions you may have, and monitoring your progress. This routine check ensures your recovery is on track and any concerns are addressed promptly.

This service was performed 30 times for 27 patients

Follow-up nursing facility visit per day, typically 15 minutes

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 47 times for 29 patients

Follow-up nursing facility visit per day, typically 15 minutes

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

This service was performed 370 times for 196 patients

Follow-up nursing facility visit per day, typically 25 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 12 times for 11 patients

Follow-up nursing facility visit per day, typically 25 minutes

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

This service was performed 79 times for 62 patients

Follow-up nursing facility visit per day, typically 35 minutes

A follow-up nursing facility visit is a routine check-up that typically lasts about 35 minutes. During this visit, your health status is evaluated, any changes in your condition are noted, and necessary adjustments to your care plan are made. It's an essential part of maintaining your health.

This service was performed 19 times for 19 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

This service was performed 89 times for 87 patients

Initial nursing facility visit per day, typically 45 minutes

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 11 times for 11 patients

Initial nursing facility visit per day, typically 45 minutes

An initial nursing facility visit is your first meeting with your healthcare team at a nursing facility. Lasting typically 45 minutes, this appointment involves a comprehensive health assessment and the creation of your personalized care plan. It's a crucial step to ensure your health and well-being.

This service was performed 117 times for 104 patients

Melanoma (skin cancer) excision

Melanoma excision is a procedure where a surgeon removes melanoma, a type of skin cancer, and some surrounding healthy tissue. Local anesthesia is applied to numb the area. The goal is to completely remove the cancer and prevent its spread. Healing time varies.

This service was performed for 1-10 patients

Nursing facility annual assessment, typically 30 minutes

An annual assessment at a nursing facility is a routine check-up that typically lasts about 30 minutes. It's a chance for healthcare professionals to evaluate your overall health and wellness, monitor any ongoing conditions, and adjust care plans as needed.

This service was performed 15 times for 15 patients

Nursing facility discharge management, more than 30 minutes

Nursing facility discharge management over 30 minutes is a comprehensive process where a healthcare team prepares you for leaving the facility. It involves creating a tailored plan, coordinating care, and ensuring a smooth transition to your next care setting.

This service was performed 14 times for 14 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 793 times for 665 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 18 times for 18 patients

Routine electrocardiogram (ecg) using at least 12 leads with tracing

An Electrocardiogram (ECG) is a simple, painless test that records the heart's electrical activity. Using 12 leads attached to your skin, it generates a tracing of your heart rhythm. It helps detect any heart problems by showing the timing and strength of electrical signals passing through each part of your heart.

This service was performed 14 times for 14 patients

Transitional care management services for problem of moderate complexity

Transitional care management services focus on coordinating and managing your care after you leave the hospital. For moderate complexity problems, this involves managing your medications, arranging further treatments, and ensuring you have the necessary follow-ups.

This service was performed 15 times for 13 patients

Ultrasound of both sides of head and neck blood flow

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

This service was performed 81 times for 79 patients

Ultrasound of heart during rest, exercise and/or drug-induced stress with report

This procedure involves using ultrasound imaging to view your heart at rest, during exercise, and/or under drug-induced stress. It helps assess how well your heart responds to exertion. A report of the findings is provided after the test.

This service was performed 36 times for 35 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 530 times for 514 patients

Ultrasound of heart with continuous electrocardiogram (ecg) during rest, exercise and/or drug induced stress with review and report

This procedure involves using ultrasound technology to create images of your heart while you rest, exercise, or undergo drug-induced stress. An ECG continuously monitors your heart's electrical activity. It helps doctors assess heart health and function.

This service was performed 57 times for 57 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 26 times for 23 patients

Ultrasound of leg arteries at rest and after exercise

An ultrasound of leg arteries at rest and after exercise involves using sound waves to create images of the blood vessels in your legs. This helps to detect blockages or narrowing. You'll rest, then perform light exercise, and images are taken before and after to compare blood flow.

This service was performed 24 times for 24 patients

Ultrasound study of arm and leg arteries

An ultrasound study of arm and leg arteries is a non-invasive procedure that uses sound waves to create images of your arteries. It helps in checking blood flow, identifying blockages, or detecting other abnormalities in your arteries.

This service was performed 86 times for 80 patients

Physician Visit Costs



The typical physician office visit costs for Medicare beneficiaries in this area are: $43.06 for a new patient copayment and $25.04 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 59405 ZIP code area.

New Patients Visit Costs *

The most utilized procedure code for new patients office visits is 99205

  • Average New Patient Price $172.26
  • Minimum New Patient Price $56.81
  • Maximum New Patient Price $172.26
  • Average New Patient Copayment $43.06
  • Minimum New Patient Copayment $14.2
  • Maximum New Patient Copayment $43.06

Established Patients Visit Costs *

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

  • Average Established Patient Price $100.16
  • Minimum Established Patient Price $18.24
  • Maximum Established Patient Price $140.32
  • Average Established Patient Copayment $25.04
  • Minimum Established Patient Copayment $4.56
  • Maximum Established Patient Copayment $35.08

* 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. Thomas Addison is affiliated with the following medical facilities:

Hospital Name Address Phone Hospital Type Overall Rating
ST PETERS HEALTH2475 BROADWAY
HELENA, MT 59601
(406) 442-2480Acute Care Hospitals
BENEFIS HOSPITALS INC1101 26TH ST S
GREAT FALLS, MT 59405
(406) 455-5000Acute Care Hospitals
GREAT FALLS CLINIC HOSPITAL3010 15TH AVENUE SOUTH
GREAT FALLS, MT 59405
(406) 216-8000Acute Care Hospitals
MISSOURI RIVER MEDICAL CENTER1501 ST CHARLES ST
FORT BENTON, MT 59442
(406) 622-3331Critical Access Hospitals
BENEFIS TETON MEDICAL CENTER915 4TH ST NW
CHOTEAU, MT 59422
(406) 466-5763Critical Access 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 1871594754, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
9
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 7 → 14 → 5 5 → 10 → 1 4 → 8 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 4 + 1 + 1 + 0 + 9 + 8 + 7 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1871594754.

Other Providers at the Same Location


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

Specialist
1401 25TH ST S
GREAT FALLS, MT 59405
Clinic/Center (Ambulatory Surgical)
1401 25TH ST S
GREAT FALLS, MT 59405
Physical Therapy Assistant
1401 25TH ST S
GREAT FALLS, MT 59405
Psychiatry & Neurology (Neurology)
1401 25TH ST S
GREAT FALLS, MT 59405
Psychiatry & Neurology (Neurology)
1401 25TH ST S
GREAT FALLS, MT 59405
Specialist
1401 25TH ST S
GREAT FALLS, MT 59405
Pharmacist
1401 25TH ST S
GREAT FALLS, MT 59405
Physician Assistant
1401 25TH ST S
GREAT FALLS, MT 59405
Family Medicine
1401 25TH ST S
GREAT FALLS, MT 59405
Nurse Practitioner (Family)
1401 25TH ST S
GREAT FALLS, MT 59405
Physician Assistant (Medical)
1401 25TH ST S
GREAT FALLS, MT 59405
Orthopaedic Surgery (Hand Surgery)
1401 25TH ST S
GREAT FALLS, MT 59405
Urology
1401 25TH ST S
GREAT FALLS, MT 59405
Physician Assistant
1401 25TH ST S
GREAT FALLS, MT 59405
Advanced Practice Midwife
1401 25TH ST S, WOMENS HEALTH
GREAT FALLS, MT 59405
Nurse Practitioner
1401 25TH ST S
GREAT FALLS, MT 59405
Physician Assistant (Medical)
1401 25TH ST S
GREAT FALLS, MT 59405
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
1401 25TH ST S
GREAT FALLS, MT 59405
Orthopaedic Surgery
1401 25TH ST S
GREAT FALLS, MT 59405
Physician Assistant
1401 25TH ST S
GREAT FALLS, MT 59405

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1871594754, enumerated as an "individual" on August 02, 2005.

The provider is located at 1401 25TH ST S GREAT FALLS, MT 59405 and the phone number is (406) 731-8888.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.

The provider might be accepting Accepts: Blue Cross and Blue Shield of Montana, Mountain. Please consult your insurance carrier or call the provider to verify.

Thomas Addison is affiliated with: ST PETERS HEALTH, BENEFIS HOSPITALS INC, GREAT FALLS CLINIC HOSPITAL, MISSOURI RIVER MEDICAL CENTER and BENEFIS TETON MEDICAL CENTER.