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

Individual provider Anesthesiology Physician · NPI 1215987284

Steven Onstad, MD is an Anesthesiology in Missoula, Montana. Graduated from Oregon Health Sciences University School of Medicine in 2001, 25 years ago. Practices with Missoula Anesthesiology PC, a 46-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
25
Trained at
Oregon Health Sciences University School 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

2825 Stockyard Rd
Missoula, MT 59808-1503
Phone: (406) 728-8420
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 10764 (MT)

Record details

NPI number1215987284
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 11, 2006
Last updated in NPPESJuly 13, 2026
Mailing address2825 Stockyard Rd., Bldg I-200, Missoula, MT 59808

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolOREGON HEALTH SCIENCES UNIVERSITY SCHOOL OF MEDICINE
Graduated 2001 (25 years in practice)
Group practice Missoula Anesthesiology Pc — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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