NPPES file of Aug 9, 2026

Thomas Brice Addison, MD

Geriatric Medicine (Internal Medicine) Physician · Great Falls, MT

Thomas Brice Addison, MD is a geriatric medicine (internal medicine) physician with a practice address in Great Falls, Montana, and NPI 1871594754, issued on Aug 2, 2005. Check the license (Montana 5064, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871594754
Name
Thomas Brice Addison
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
5064 MT
Self-reported in NPPES; status is on the state search
Practice location
1401 25TH St S, Great Falls, MT 59405
Phone
(406) 731-8888
Enumerated
Aug 2, 2005
Record last updated
Apr 5, 2024
Fax
(406) 731-8839
Medicare enrollment
Enrolled (PECOS I20090406000318); accepts Medicare assignment
Medical or professional school
Mayo Medical School, 1984
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1401 25TH St S

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sheela Ahmed, MDPulmonary Disease Physician1083736227
  2. Jill Aitken, AUDAudiologist1730386020
  3. Jamie Aleba, PAMedical Physician Assistant1184929572
  4. Thomas Attaway, MDGastroenterology Physician1922012442
  5. Lily AvgustovskiyNurse Practitioner1093122335
  6. Steven Ayres, M.D.Gastroenterology Physician1265488464

Verify Thomas Brice Addison in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMontana Board of Medical Examiners
    Search for license 5064
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Montana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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3.1 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024

13,114 Medicare Part D claims for 450 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 296 claims were for opioids.

  1. Thomas Addison13,114
  2. Specialty average4,246

Most prescribed

  1. Levothyroxine Sodium668 claims
  2. Atorvastatin Calcium513 claims
  3. Omeprazole425 claims
  4. Eliquis406 claims
  5. Amlodipine Besylate394 claims
  6. Pantoprazole Sodium378 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

One hospital affiliation

  1. Benefis Hospitals IncGreat Falls, MT · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Geriatric Medicine (Internal Medicine) Physician providers in Montana

There are 9 geriatric medicine (internal medicine) physician records in Montana.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Paul Dolan, M.D.Great Falls, MT 594051558484402
  2. John Molloy, MDGreat Falls, MT 594051609877471
  3. Patricia Coon, MDBillings, MT 591011467561431
  4. Marilyn Grams, MDBillings, MT 591011669492104
  5. Glenda Wickstrom, MDBillings, MT 591011679510101
  6. Kathryn Borgenicht, MDBozeman, MT 597151073535019
  7. Ronald Loge, M.D.Dillon, MT 597251790789279
  8. Whitney Haseman, M.D.Missoula, MT 598081255726469

Common questions

What is Thomas Brice Addison, MD's NPI number?

Thomas Brice Addison, MD's National Provider Identifier (NPI) is 1871594754, issued on Aug 2, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Brice Addison, MD located?

The NPPES record lists a practice address at 1401 25TH St S, Great Falls, MT, 59405. Phone: (406) 731-8888. Providers update this record themselves, so call before visiting.

How can I verify Thomas Brice Addison, MD's license?

NPPES lists Montana license number 5064, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Thomas Brice Addison, MD prescribe under Medicare Part D?

In 2024, Thomas Brice Addison, MD had 13,114 Medicare Part D claims for 450 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.