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

William B. Oley, MD

Individual provider Family Medicine Physician · NPI 1801994413

William B. Oley, MD is a Family Practice in Red Lodge, Montana. Graduated from Ohio State University College of Medicine in 2000, 26 years ago. Practices with Memorial Hospital Association, a 21-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
26
Trained at
Ohio State University College of Medicine
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

10 S Oakes
Red Lodge, MT 59068
Phone: (406) 446-2412
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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 10308 (MT)

Record details

NPI number1801994413
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 20, 2006
Last updated in NPPESFebruary 27, 2008
Mailing addressPo Box 35100, Billings, MT 59107-5100

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Memorial Hospital Association — 21 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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