Steven Onstad, MD
Anesthesiology Physician · Missoula, MT
Steven Onstad, MD is an anesthesiology physician with a practice address in Missoula, Montana, and NPI 1215987284, issued on May 11, 2006. Check the license (Montana 10764, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Steven Onstad
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 10764 MT
Self-reported in NPPES; status is on the state search - Practice location
- 2825 Stockyard RD, Missoula, MT 59808
- Phone
- (406) 728-8420
- Enumerated
- May 11, 2006
- Record last updated
- Jul 13, 2026
- Medicaid ID
- 0144279 MT
- Medicare enrollment
- Enrolled (PECOS I20050630000919); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2001
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 227 in Montana → Look up another NPI →
Also registered at 2825 Stockyard RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cordel Anderson, M.D.Anesthesiology Physician1164710430
- Jerusha Baker, LMTMassage Therapist1366791980
- Marie Boyd, M.D.Anatomic Pathology & Clinical Pathology Physician1114979739
- Valerie Chyle, APRN - FNPFamily Nurse Practitioner1588829733
- Mark Colip, M.D.Anesthesiology Physician1194818195
- Philip Cowmey, MDAnesthesiology Physician1972763290
Verify Steven Onstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 10764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Missoula Anesthesiology PCMissoula, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Onstad among 227 anesthesiology physician records in Montana
Steven Onstad, MD is one of 227 anesthesiology physician records with a practice address in Montana. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 12% of them.
- NPI issued2006 · 12% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2001 · median 2006 among the 167 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
63 anesthesiology physician records list a practice address in Missoula
They are 63 of the 3,567 NPPES records with a practice address in Missoula, and 227 anesthesiology physician records in Montana.
All 227 in Montana → Every provider in Missoula → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Bruce Bollen, M.D.Missoula, MT 598081104815216
- Peter Brinkley, M.D.Missoula, MT 598081194714204
- Donald Ehrlich, M.D.Missoula, MT 598081336138452
- Fred Fleming, M.D.Missoula, MT 598081316936438
- Stephen Kemple, D.O.Missoula, MT 598081336138478
- Gregar Lind, M.D.Missoula, MT 598081275522211
- Anthony Menendez, M.D.Missoula, MT 598081477542421
- Alexander Omura, M.D.Missoula, MT 598081881683837
Common questions
What is Steven Onstad, MD's NPI number?
Steven Onstad, MD's National Provider Identifier (NPI) is 1215987284, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Onstad, MD located?
The NPPES record lists a practice address at 2825 Stockyard RD, Missoula, MT, 59808. Phone: (406) 728-8420. Providers update this record themselves, so call before visiting.
How can I verify Steven Onstad, MD's license?
NPPES lists Montana license number 10764, as entered by the provider. Search the Montana Board of Medical Examiners at https://ebiz.mt.gov/POL/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.