Registry data as of Aug 27, 2026

John Tremper, M.D.

Family Medicine Physician · Kalispell, MT

John Tremper, M.D. is a family medicine physician with a practice address in Kalispell, Montana, and NPI 1487663423, issued on Aug 7, 2006. Check the license (Montana 7825, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1487663423
Name
John Tremper
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
7825 MT
Self-reported in NPPES; status is on the state search
Practice location
1035 1St Ave West, Kalispell, MT 59901
Phone
(406) 751-8155
Enumerated
Aug 7, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1035 1St Ave West

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

  1. Jennie Carson, D.D.S.Dentist1700830619
  2. Kenneth Madsen, D.D.S.General Practice Dentistry1457323719
  3. Carolyn Porter, F.N.P.Community Health Nurse Practitioner1962573477
  4. Sheila Shapiro, WHCNPWomen's Health Nurse Practitioner1225169030

Verify John Tremper 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 7825
    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.

76% fewer Medicare Part D claims than the average family medicine physician in 2024

836 Medicare Part D claims for 132 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 21 claims were for opioids.

  1. John Tremper836
  2. Specialty average3,519

Most prescribed

  1. Atorvastatin Calcium47 claims
  2. Losartan Potassium46 claims
  3. Amlodipine Besylate27 claims
  4. Trazodone Hcl25 claims
  5. Fluoxetine Hcl24 claims
  6. Levothyroxine Sodium23 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 or facility affiliation

  1. Kalispell Regional Medical Center IncKalispell, MT

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

38 family medicine physician records list a Kalispell practice address

They are 38 of the 1,650 NPPES records with a Kalispell practice address, and 766 family medicine physician records in Montana.

Other family medicine physician records in Montana

  1. Marc Adams, MDShelby, MT1265449482
  2. Dale Agner, M.D.Billings, MT1861486490
  3. Cynthia Alarcon, PA-CHelena, MT1386981686
  4. Brandon Allen, MDEnnis, MT1215499421
  5. Hans Amen, D.O.Malmstrom Afb, MT1538426507
  6. Beth Ammons, MDMissoula, MT1780623926
  7. Robert Amrine, MDMissoula, MT1366640484
  8. Bjorn Anderson, DOStevensville, MT1770146037
  9. Jonathan Anderson, MDKalispell, MT1356397533
  10. Leah Anderson, M.D.Bozeman, MT1851504195

Common questions

What is John Tremper, M.D.'s NPI number?

John Tremper, M.D.'s National Provider Identifier (NPI) is 1487663423, issued on Aug 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Tremper, M.D. located?

The NPPES record lists a practice address at 1035 1St Ave West, Kalispell, MT, 59901. Phone: (406) 751-8155. Providers update this record themselves, so call before visiting.

How can I verify John Tremper, M.D.'s license?

NPPES lists Montana license number 7825, 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 John Tremper, M.D. prescribe under Medicare Part D?

In 2024, John Tremper, M.D. had 836 Medicare Part D claims for 132 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.