NPPES file of Aug 9, 2026

Roy W. Zimmer, MD

Diagnostic Radiology Physician · Missoula, MT

Roy W. Zimmer, MD is a diagnostic radiology physician with a practice address in Missoula, Montana, and NPI 1780609958, issued on Jul 12, 2006. Check the license (Montana 8077, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780609958
Name
Roy W. Zimmer
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
8077 MT
Self-reported in NPPES; status is on the state search
Practice location
3205 S Russell St, Missoula, MT 59801
Phone
(406) 721-4906
Enumerated
Jul 12, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20161201002103); accepts Medicare assignment
Medical or professional school
Medical College Of Wisconsin, 1989
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 3205 S Russell St

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

  1. Adam Benson, M.D.Diagnostic Radiology Physician1548250426
  2. William Birck, MDDiagnostic Radiology Physician1386671493
  3. Joel Brake, M.D.Diagnostic Radiology Physician1043225469
  4. Anthony D'Amico, M.D.Diagnostic Radiology Physician1689794083
  5. Kyle Dale, MDVascular & Interventional Radiology Physician1295916120
  6. Sarsfield DoughertyDiagnostic Radiology Physician1457396020

Verify Roy W. Zimmer 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 8077
    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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Bills Medicare through 2 group practices

  1. Advanced Imaging AT Community Medical Center, LLCMissoula, MT
  2. Inland Imaging Associates PSSeattle, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Roy W. Zimmer among 108 diagnostic radiology physician records in Montana

Roy W. Zimmer, MD is one of 108 diagnostic radiology physician records with a practice address in Montana. 62% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 44% newer
  • In a Medicare fileYes · 62% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated1989 · median 2004 among the 64 with a school on file
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Montana

There are 108 diagnostic radiology physician records in Montana.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. David Bauer, M.D.Missoula, MT 598011891955027
  2. Adam Benson, M.D.Missoula, MT 598011548250426
  3. William Birck, MDMissoula, MT 598011386671493
  4. Joel Brake, M.D.Missoula, MT 598011043225469
  5. Anthony D'Amico, M.D.Missoula, MT 598011689794083
  6. Sarsfield DoughertyMissoula, MT 598011457396020
  7. Timothy McCue, M.D.Missoula, MT 598011639254709
  8. James McKay, M.D.Missoula, MT 598011831114339

Common questions

What is Roy W. Zimmer, MD's NPI number?

Roy W. Zimmer, MD's National Provider Identifier (NPI) is 1780609958, issued on Jul 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roy W. Zimmer, MD located?

The NPPES record lists a practice address at 3205 S Russell St, Missoula, MT, 59801. Phone: (406) 721-4906. Providers update this record themselves, so call before visiting.

How can I verify Roy W. Zimmer, MD's license?

NPPES lists Montana license number 8077, 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), 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.