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

James Wesley Guyer, MD

Individual provider Family Medicine Physician · NPI 1962495697

James Wesley Guyer, MD is a Family Practice in Billings, Montana. Graduated from University of California, San Diego School of Medicine in 1984, 42 years ago. Practices with Yellowstone City-County Health Dept, a 52-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
42
Trained at
University of California, San Diego School of Medicine
Licensed in
MT
In the registry since
2005
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

123 S 27th St
Billings, MT 59101-4200
Phone: (406) 247-3350
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 7605 (MT)

Record details

NPI number1962495697
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 29, 2005
Last updated in NPPESJuly 8, 2007
Mailing address123 S 27th St, Billings, MT 59101-4200

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Yellowstone City-County Health Dept — 52 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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