Registry data as of Aug 27, 2026

Roy Kohler, M.D.

Internal Medicine Physician · Billings, MT

Roy Kohler, M.D. is an internal medicine physician with a practice address in Billings, Montana, and NPI 1215933676, issued on Jun 21, 2005. Check the license (Montana 8471, 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
1215933676
Name
Roy Kohler
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
8471 MT
Self-reported in NPPES; status is on the state search
Practice location
2900 12TH Ave N Ste 500E, Billings, MT 59101
Phone
(406) 238-6800
Enumerated
Jun 21, 2005
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 2900 12TH Ave N Ste 500E

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

  1. Farnaz Abbasimoradi, MDInternal Medicine Physician1104434562
  2. Amelia Clark, NPNurse Practitioner1073244596
  3. Daniel Faaborg, MDUrology Physician1265724470
  4. Taylor Gregory, NPNurse Practitioner1871132712

Verify Roy Kohler 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 8471
    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.

93% fewer Medicare Part D claims than the average internal medicine physician in 2024

199 Medicare Part D claims for 31 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.

  1. Roy Kohler199
  2. Specialty average2,785

Most prescribed

  1. Ropinirole Hcl61 claims
  2. Methylphenidate Hcl18 claims
  3. Modafinil17 claims
  4. Neupro14 claims
  5. Temazepam14 claims
  6. Eszopiclone13 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.

Industry payments in 2024: $125.00

1 payment, mostly food and beverage; the largest payer was Inspire Medical Systems, Inc.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Roy Kohler$125.00
  2. Specialty average$2,536.66

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospital and facility affiliations

  1. Northern Montana HospitalHavre, MT · Critical Access Hospitals
  2. Providence Health And Services MtMissoula, MT
  3. Scl Health Medical Group - Billings LLCBillings, 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.

100 internal medicine physician records list a Billings practice address

They are 100 of the 4,035 NPPES records with a Billings practice address, and 394 internal medicine physician records in Montana.

Other internal medicine physician records in Montana

  1. Farnaz Abbasimoradi, MDBillings, MT1104434562
  2. Ryan Adams, MDMissoula, MT1790952653
  3. Timothy Adams, MDBozeman, MT1891706537
  4. Thomas Addison, MDGreat Falls, MT1871594754
  5. Yee Chuan Ang, M.D.Billings, MT1104138668
  6. Faranak Argani, MDBillings, MT1558475954
  7. Janet Armstrong, M.D.Glasgow, MT1215949557
  8. Susan Askin, MDFort Harrison, MT1588771604
  9. James Attarian, MDBozeman, MT1144209198
  10. Elias Baied, DOGreat Falls, MT1023497708

Common questions

What is Roy Kohler, M.D.'s NPI number?

Roy Kohler, M.D.'s National Provider Identifier (NPI) is 1215933676, issued on Jun 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Roy Kohler, M.D. located?

The NPPES record lists a practice address at 2900 12TH Ave N Ste 500E, Billings, MT, 59101. Phone: (406) 238-6800. Providers update this record themselves, so call before visiting.

How can I verify Roy Kohler, M.D.'s license?

NPPES lists Montana license number 8471, 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 Roy Kohler, M.D. prescribe under Medicare Part D?

In 2024, Roy Kohler, M.D. had 199 Medicare Part D claims for 31 beneficiaries; the average among internal medicine physician prescribers was 2,785. 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.