Michael Douglas Casimir, MD
Anesthesiology Physician · Billings, MT
Michael Douglas Casimir, MD is an anesthesiology physician with a practice address in Billings, Montana, and NPI 1669811238, issued on Jun 17, 2013. Check the license (Montana 80614, as entered in NPPES) on the Montana Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael Douglas Casimir
- Credential
- MD
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License numbers
- 80614 MT
ME161939 FL
270678 MA
295005 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2900 12TH Ave N Ste 205W, Billings, MT 59101
- Phone
- (631) 379-2104
- Enumerated
- Jun 17, 2013
- Record last updated
- May 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20250303001358); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 227 in Montana → Look up another NPI →
Also registered at 2900 12TH Ave N Ste 205W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shea Snyder, M.D.Anesthesiology Physician1437543675
Verify Michael Douglas Casimir in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMontana Board of Medical Examiners
Search for license 80614Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 64.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Ams Anesthetist Services LLCPanama City, FL
- Ias Illinois PCBeloit, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Douglas Casimir among 227 anesthesiology physician records in Montana
Michael Douglas Casimir, 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 2013, is newer than 76% of them.
- NPI issued2013 · 76% of these records are older, 19% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2013 · median 2006 among the 167 with a school on file
- Record last updated2024 · 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).
67 anesthesiology physician records list a practice address in Billings
They are 67 of the 4,035 NPPES records with a practice address in Billings, and 227 anesthesiology physician records in Montana.
All 227 in Montana → Every provider in Billings → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Charles Aragon, M.D.Billings, MT 591011093782591
- Zeferino Arroyo, D.O.Billings, MT 591011285601096
- Stephen Ball, M.D.Billings, MT 591011417924226
- Kert Christensen, D.O.Billings, MT 591011063489771
- Douglas Cornelius, M.D.Billings, MT 591011588631204
- Howard Harvey, M.D.Billings, MT 591011922071588
- Debra Jones, M.D.Billings, MT 591011023085677
- Gary Mermel, M.D.Billings, MT 591011558338103
Common questions
What is Michael Douglas Casimir, MD's NPI number?
Michael Douglas Casimir, MD's National Provider Identifier (NPI) is 1669811238, issued on Jun 17, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Michael Douglas Casimir, MD located?
The NPPES record lists a practice address at 2900 12TH Ave N Ste 205W, Billings, MT, 59101. Phone: (631) 379-2104. Providers update this record themselves, so call before visiting.
How can I verify Michael Douglas Casimir, MD's license?
NPPES lists Montana license number 80614, 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.
What is Michael Douglas Casimir, MD's MIPS final score?
The 2023 MIPS final score is 64.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.