Gary Mason, DO
Anesthesiology Physician · Detroit, MI
Gary Mason, DO is an anesthesiology physician with a practice address in Detroit, Michigan, and NPI 1043345648, issued on Feb 22, 2007. Check the license (Michigan 5101012461, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Gary Mason
- Credential
- DO
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 5101012461 MI
Self-reported in NPPES; status is on the state search - Practice location
- 22101 Moross RD, Detroit, MI 48236
- Phone
- (313) 343-8000
- Enumerated
- Feb 22, 2007
- Record last updated
- Sep 23, 2010 (not updated in 16 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20101019001221); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 1994
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,720 in Michigan → Look up another NPI →
Also registered at 22101 Moross RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Gary Mason in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101012461Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $15.23
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 17,774 providers of this specialty with any payment received $669.59 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Resource Anesthesiology Associates OF MI PCSaginaw, MI
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Mason among 1,720 anesthesiology physician records in Michigan
Gary Mason, DO is one of 1,720 anesthesiology physician records with a practice address in Michigan. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 45% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1994 · median 2006 among the 1,126 with a school on file
- Record last updated2010 · 61% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
244 anesthesiology physician records list a practice address in Detroit
They are 244 of the 19,832 NPPES records with a practice address in Detroit, and 1,720 anesthesiology physician records in Michigan.
All 1,720 in Michigan → Every provider in Detroit → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- David Colosimo, M.D.Detroit, MI 482361902833387
- Friedrich Dalman, M.D.Detroit, MI 482361104853712
- Bassam Durgham, M.D.Detroit, MI 482361871520247
- Sung Hong, M.D.Detroit, MI 482361386671758
- Labrini Liakonis, M.D.Detroit, MI 482361922035534
- John Morreale, M.D.Detroit, MI 482361194752568
- Effie Papadakis-Bills, M.D.,Detroit, MI 482361932144508
- Daniel Rana, M.D.Detroit, MI 482361003844317
Common questions
What is Gary Mason, DO's NPI number?
Gary Mason, DO's National Provider Identifier (NPI) is 1043345648, issued on Feb 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Mason, DO located?
The NPPES record lists a practice address at 22101 Moross RD, Detroit, MI, 48236. Phone: (313) 343-8000. Providers update this record themselves, so call before visiting.
How can I verify Gary Mason, DO's license?
NPPES lists Michigan license number 5101012461, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. 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.