James Marlen, M.D.
Internal Medicine Physician · Fort Harrison, MT
James Marlen, M.D. is an internal medicine physician with a practice address in Fort Harrison, Montana, and NPI 1467562397, issued on Aug 30, 2006. Check the license (Montana 7859, as entered in NPPES) on the Montana Board of Medical Examiners; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- James Marlen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 7859 MT
Self-reported in NPPES; status is on the state search - Practice location
- 1892 Williams Street, Fort Harrison, MT 59636
- Phone
- (406) 442-4377
- Enumerated
- Aug 30, 2006
- Entity
- Type 1 · individual
Also registered at 1892 Williams Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wendy Brooke, R.D.Registered Dietitian1023021714
- Susan Epstein, M.D.Internal Medicine Physician1659475945
- Lori Fitzgerald, PHARM DPharmacist1881613404
- Bradley Heil, RPHPharmacist1568482420
- Tamara Jost, PHARM.D.Pharmacist1164442075
- Timothy Lorang, PTAPhysical Therapy Assistant1508809278
Verify James Marlen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 7859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
8 internal medicine physician records list a Fort Harrison practice address
They are 8 of the 146 NPPES records with a Fort Harrison practice address, and 394 internal medicine physician records in Montana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 8 in Fort Harrison → All 394 in Montana → Every provider in Fort Harrison →
Other internal medicine physician records in Montana
- Farnaz Abbasimoradi, MDBillings, MT1104434562
- Ryan Adams, MDMissoula, MT1790952653
- Timothy Adams, MDBozeman, MT1891706537
- Thomas Addison, MDGreat Falls, MT1871594754
- Yee Chuan Ang, M.D.Billings, MT1104138668
- Faranak Argani, MDBillings, MT1558475954
- Janet Armstrong, M.D.Glasgow, MT1215949557
- Susan Askin, MDFort Harrison, MT1588771604
- James Attarian, MDBozeman, MT1144209198
- Elias Baied, DOGreat Falls, MT1023497708
Common questions
What is James Marlen, M.D.'s NPI number?
James Marlen, M.D.'s National Provider Identifier (NPI) is 1467562397, issued on Aug 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Marlen, M.D. located?
The NPPES record lists a practice address at 1892 Williams Street, Fort Harrison, MT, 59636. Phone: (406) 442-4377. Providers update this record themselves, so call before visiting.
How can I verify James Marlen, M.D.'s license?
NPPES lists Montana license number 7859, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.