Michael Brennan, DO
Endocrinology, Diabetes & Metabolism Physician · Saint Clair Shores, MI
Michael Brennan, DO is an endocrinology, diabetes & metabolism physician with a practice address in Saint Clair Shores, Michigan, and NPI 1689889388, issued on May 14, 2007. Check the license (Michigan 5101016966, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Michael Brennan
- Credential
- DO
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 5101016966 MI
Self-reported in NPPES; status is on the state search - Practice location
- 23715 Little Mack Ave Ste 100, Saint Clair Shores, MI 48080
- Phone
- (586) 447-8021
- Enumerated
- May 14, 2007
- Record last updated
- Aug 21, 2024
- Medicare enrollment
- Enrolled (PECOS I20121002000368); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2006
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 270 in Michigan → Look up another NPI →
Also registered at 23715 Little Mack Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nichole Barkoff, PACPhysician Assistant1477710101
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- Kevin Jamil, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1083864565
- Noelle LalondePhysician Assistant1619429339
- Monika Olchawa-Begeny, M.DEndocrinology, Diabetes & Metabolism Physician1760646665
- Elizabeth Perrotta, NPNurse Practitioner1649525288
Verify Michael Brennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101016966Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
123 Medicare Part D claims for 34 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 70% of claims.
Most prescribed
- Jardiance19 claims
- Ozempic18 claims
- Farxiga11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 81 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).
Industry payments in 2024: $71,314.70
79 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 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 one group practice
- Beaumont Medical Group- Specialty ServicesBeverly Hills, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Brennan among 270 endocrinology, diabetes & metabolism physician records in Michigan
Michael Brennan, DO is one of 270 endocrinology, diabetes & metabolism physician records with a practice address in Michigan. 82% 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 42% of them.
- NPI issued2007 · 42% of these records are older, 46% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2006 · median 2004 among the 195 with a school on file
- Record last updated2024 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Michigan
There are 270 endocrinology, diabetes & metabolism physician records in Michigan.
All 270 in Michigan → Every provider in Saint Clair Shores → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Saadiah Ahmed, D.O.Saint Clair Shores, MI 480801649486044
- Jahnavi Chakrala, MDSaint Clair Shores, MI 480801003237934
- Monika Olchawa-Begeny, M.DSaint Clair Shores, MI 480801760646665
- Daniel Shelden, DOSaint Clair Shores, MI 480801033524764
- Sheldon Stoffer, MDTroy, MI 480831801897814
- Alexis Faber, MDTroy, MI 480841063096238
- Abhilasha Pandey, M.DTroy, MI 480841598053415
- Dhia Yousif, MDSouthfield, MI 480761437201217
Common questions
What is Michael Brennan, DO's NPI number?
Michael Brennan, DO's National Provider Identifier (NPI) is 1689889388, issued on May 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Michael Brennan, DO located?
The NPPES record lists a practice address at 23715 Little Mack Ave Ste 100, Saint Clair Shores, MI, 48080. Phone: (586) 447-8021. Providers update this record themselves, so call before visiting.
How can I verify Michael Brennan, DO's license?
NPPES lists Michigan license number 5101016966, 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.
How much does Michael Brennan, DO prescribe under Medicare Part D?
In 2024, Michael Brennan, DO had 123 Medicare Part D claims for 34 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Michael Brennan, DO's MIPS final score?
The 2023 MIPS final score is 81 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.