Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Roy W Zimmer III, MD

Individual provider Diagnostic Radiology Physician · NPI 1780609958

Roy W Zimmer III, MD is a Diagnostic Radiology in Missoula, Montana. Graduated from Medical College of Wisconsin in 1989, 37 years ago. Practices with Inland Imaging Associates Ps, a 124-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
37
Trained at
Medical College of Wisconsin
Licensed in
MT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3205 S Russell St
Missoula, MT 59801-8536
Phone: (406) 721-4906
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 8077 (MT)

Record details

NPI number1780609958
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 12, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1989 (37 years in practice)
Group practice Inland Imaging Associates Ps — 124 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

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