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

Oscar Glenn Heyman, DO

Individual provider Pain Medicine (Physical Medicine & Rehabilitation) Physician · NPI 1336218387

Oscar Glenn Heyman, DO is an Interventional Pain Management in Missoula, Montana. Graduated from Ohio State University College of Medicine in 2000, 26 years ago. Practices with Providence Health and Services Mt, a 358-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?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

500 W Broadway St
Missoula, MT 59802-4008
Phone: (406) 327-1670
Fax: (406) 329-5697
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pain Medicine (Physical Medicine & Rehabilitation) Physician (primary) Taxonomy 2081P2900X · Licence 10894 (MT)

Record details

NPI number1336218387
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 6, 2006
Last updated in NPPESMay 19, 2021
Certification dateMay 19, 2021

Medicare enrollment

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

Medicare specialtyINTERVENTIONAL PAIN MANAGEMENT
Also practisesOSTEOPATHIC MANIPULATIVE MEDICINE, PHYSICAL MEDICINE AND REHABILITATION
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Providence Health And Services Mt — 358 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount