Thomas David Mazer, M.D.
Anesthesiology Physician · Orono, MN
Thomas David Mazer, M.D. is an anesthesiology physician with a practice address in Orono, Minnesota, and NPI 1659600088, issued on Dec 14, 2009. Check the license (Minnesota 27622, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Thomas David Mazer
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 27622 MN
Self-reported in NPPES; status is on the state search - Practice location
- 560 North Arm Drive, Orono, MN 55364
- Phone
- (952) 472-7884
- Enumerated
- Dec 14, 2009
- Record last updated
- Dec 14, 2009 (not updated in 17 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Verify Thomas David Mazer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 27622Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average anesthesiology physician in 2024
17 Medicare Part D claims, against an average of 402 among the 4,319 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
1 anesthesiology physician records list a practice address in Orono
They are 1 of the 14 NPPES records with a practice address in Orono, and 1,042 anesthesiology physician records in Minnesota.
Other anesthesiology physician records in Minnesota
- Grant Aakre, M.D.Minneapolis, MN1518354273
- Arnoley Abcejo, MDRochester, MN1841553070
- Samer Abdel-Aziz, M.D.Rochester, MN1851682629
- Abdinoor Abdi, MDRochester, MN1487591525
- John Abenstein, M.D.Rochester, MN1174509392
- Bonnie Adkins-Finke, MDRobbinsdale, MN1346293040
- Devon Aganga, M.D.Rochester, MN1558545541
- Kyle Ahn, M.D.Rochester, MN1174789218
- Kolawole AkinduroPlymouth, MN1396130746
- Brian Allen, M.D.Burnsville, MN1922130798
Common questions
What is Thomas David Mazer, M.D.'s NPI number?
Thomas David Mazer, M.D.'s National Provider Identifier (NPI) is 1659600088, issued on Dec 14, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Thomas David Mazer, M.D. located?
The NPPES record lists a practice address at 560 North Arm Drive, Orono, MN, 55364. Phone: (952) 472-7884. Providers update this record themselves, so call before visiting.
How can I verify Thomas David Mazer, M.D.'s license?
NPPES lists Minnesota license number 27622, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas David Mazer, M.D. prescribe under Medicare Part D?
In 2024, Thomas David Mazer, M.D. had 17 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. Part D covers Medicare prescriptions only.
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.