Adam Michael Greer, DO
Hospitalist Physician · Duluth, MN
Adam Michael Greer, DO is a hospitalist physician with a practice address in Duluth, Minnesota, and NPI 1578206470, issued on Apr 18, 2022. Check the license (Minnesota 76797, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- Adam Michael Greer
- Credential
- DO
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- 76797 MN
Self-reported in NPPES; status is on the state search - Practice location
- 400 E 3RD St, Duluth, MN 55805
- Phone
- (218) 786-8364
- Enumerated
- Apr 18, 2022
- Record last updated
- Oct 9, 2025
- Medicare enrollment
- Enrolled (PECOS I20251110000663); accepts Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2022
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 401 in Minnesota → Look up another NPI →
Also registered at 400 E 3RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Peter Aas, MDHospitalist Physician1063455848
- Amina Adil, MDCardiovascular Disease Physician1336482314
- Rahul Aggarwal, M.D.Pediatric Critical Care Medicine Physician1336198332
- Olubisi Akinseloyin, MDHospitalist Physician1619309010
- Glenn Albin, M.DCardiovascular Disease Physician1902851116
- David AlexanderDiagnostic Radiology Physician1932135936
Verify Adam Michael Greer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 76797Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average hospitalist physician in 2024
63 Medicare Part D claims for 24 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
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.
Bills Medicare through one group practice
- The Duluth Clinic LtdDuluth, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Adam Michael Greer among 401 hospitalist physician records in Minnesota
Adam Michael Greer, DO is one of 401 hospitalist physician records with a practice address in Minnesota. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 1% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 88% of these records are
- Graduated2022 · median 2011 among the 354 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
72 hospitalist physician records list a practice address in Duluth
They are 72 of the 4,084 NPPES records with a practice address in Duluth, and 401 hospitalist physician records in Minnesota.
All 401 in Minnesota → Every provider in Duluth → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Peter Aas, MDDuluth, MN 558051063455848
- Mir AliDuluth, MN 558051154357077
- James BerquistDuluth, MN 558051114942737
- Andrew Broadmoore, MDDuluth, MN 558051508828633
- Kuo Hau Chang, D.O.Duluth, MN 558051124077425
- John Degelau, MDDuluth, MN 558051063489375
- Dawn Drotar, MDDuluth, MN 558051891779120
- Kenneth Howard, MDDuluth, MN 558051477504314
Common questions
What is Adam Michael Greer, DO's NPI number?
Adam Michael Greer, DO's National Provider Identifier (NPI) is 1578206470, issued on Apr 18, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Adam Michael Greer, DO located?
The NPPES record lists a practice address at 400 E 3RD St, Duluth, MN, 55805. Phone: (218) 786-8364. Providers update this record themselves, so call before visiting.
How can I verify Adam Michael Greer, DO's license?
NPPES lists Minnesota license number 76797, 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 Adam Michael Greer, DO prescribe under Medicare Part D?
In 2024, Adam Michael Greer, DO had 63 Medicare Part D claims for 24 beneficiaries; the average among hospitalist physician prescribers was 521. 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.