Mark Claus Snyder, M.D.
Anesthesiology Physician · Missoula, MT
Mark Claus Snyder, M.D. is an anesthesiology physician with a practice address in Missoula, Montana, and NPI 1821087883, issued on Oct 20, 2005. Check the license (Montana 8660, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Claus Snyder
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 8660 MT
Self-reported in NPPES; status is on the state search - Practice location
- 3550 Mullan RD, Missoula, MT 59808
- Phone
- (406) 728-8420
- Enumerated
- Oct 20, 2005
- Record last updated
- Jul 13, 2026
- Medicare enrollment
- Enrolled (PECOS I20050519001085); accepts Medicare assignment
- Medical or professional school
- Baylor College Of Medicine, 1986
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 227 in Montana → Look up another NPI →
Also registered at 3550 Mullan RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- John Bohnert, M.D.Anesthesiology Physician1558351577
- Bruce Bollen, M.D.Anesthesiology Physician1104815216
- Peter Brinkley, M.D.Anesthesiology Physician1194714204
- Donald Ehrlich, M.D.Anesthesiology Physician1336138452
- Fred Fleming, M.D.Anesthesiology Physician1316936438
- Teresa Garland, M.D.Anesthesiology Physician1033108154
Verify Mark Claus Snyder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 8660Check 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).
Mark Claus Snyder among 227 anesthesiology physician records in Montana
Mark Claus Snyder, M.D. 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated1986 · 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 Mark Claus Snyder, M.D.'s NPI number?
Mark Claus Snyder, M.D.'s National Provider Identifier (NPI) is 1821087883, issued on Oct 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark Claus Snyder, M.D. located?
The NPPES record lists a practice address at 3550 Mullan RD, Missoula, MT, 59808. Phone: (406) 728-8420. Providers update this record themselves, so call before visiting.
How can I verify Mark Claus Snyder, M.D.'s license?
NPPES lists Montana license number 8660, 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.