NPPES file of Aug 9, 2026

Nicholas Alexander Trum, MD

Internal Medicine Physician · Great Falls, MT

Nicholas Alexander Trum, MD is an internal medicine physician with a practice address in Great Falls, Montana, and NPI 1952051435, issued on Mar 27, 2022. Check the license (Montana 158110, 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
1952051435
Name
Nicholas Alexander Trum
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
158110 MT
Self-reported in NPPES; status is on the state search
Practice location
1401 25TH St S, Great Falls, MT 59405
Phone
(406) 455-5000
Enumerated
Mar 27, 2022
Record last updated
Jun 11, 2025
Fax
(406) 731-8318
Medicare enrollment
Enrolled (PECOS I20250718001321); accepts Medicare assignment
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. Thomas Addison, MDGeriatric Medicine (Internal Medicine) Physician1871594754
  2. Sheela Ahmed, MDPulmonary Disease Physician1083736227
  3. Jill Aitken, AUDAudiologist1730386020
  4. Jamie Aleba, PAMedical Physician Assistant1184929572
  5. Thomas Attaway, MDGastroenterology Physician1922012442
  6. Lily AvgustovskiyNurse Practitioner1093122335

Verify Nicholas Alexander Trum 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 158110
    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

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96% fewer Medicare Part D claims than the average internal medicine physician in 2024

116 Medicare Part D claims for 28 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 20% of claims.

  1. Nicholas Trum116
  2. Specialty average3,176

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.

Nicholas Alexander Trum among 324 internal medicine physician records in Montana

Nicholas Alexander Trum, MD is one of 324 internal medicine physician records with a practice address in Montana. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.

  • NPI issued2022 · 96% of these records are older, 2% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2022 · median 2006 among the 191 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

21 internal medicine physician records list a practice address in Great Falls

They are 21 of the 1,798 NPPES records with a practice address in Great Falls, and 324 internal medicine physician records in Montana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sean Banks, DOGreat Falls, MT 594051720374648
  2. Bradford Bergman, MDGreat Falls, MT 594051235130113
  3. Kathleen Blair, DOGreat Falls, MT 594051346335189
  4. Lorenzo Boccuzzi, D.O.Great Falls, MT 594051598734980
  5. Gary Buffington, MDGreat Falls, MT 594051922009802
  6. Steven Chrzanowski, MDGreat Falls, MT 594051568454692
  7. Eve Gerasimou, MDGreat Falls, MT 594051457312464
  8. Stacy Kingsland, MDGreat Falls, MT 594051528160173

Common questions

What is Nicholas Alexander Trum, MD's NPI number?

Nicholas Alexander Trum, MD's National Provider Identifier (NPI) is 1952051435, issued on Mar 27, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Nicholas Alexander Trum, MD located?

The NPPES record lists a practice address at 1401 25TH St S, Great Falls, MT, 59405. Phone: (406) 455-5000. Providers update this record themselves, so call before visiting.

How can I verify Nicholas Alexander Trum, MD's license?

NPPES lists Montana license number 158110, 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 Nicholas Alexander Trum, MD prescribe under Medicare Part D?

In 2024, Nicholas Alexander Trum, MD had 116 Medicare Part D claims for 28 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.