NPPES file of Aug 9, 2026

Michael D. Brennan, M.D.

Endocrinology, Diabetes & Metabolism Physician · Rochester, MN

Michael D. Brennan, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Rochester, Minnesota, and NPI 1306822382, issued on Dec 21, 2005. Check the license (Minnesota 23111, as entered in NPPES) on the Minnesota Board of Medical Practice; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1306822382
Name
Michael D. Brennan
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License number
23111 MN
Self-reported in NPPES; status is on the state search
Practice location
200 1St St SW, Rochester, MN 55905
Phone
(508) 284-2511
Enumerated
Dec 21, 2005
Record last updated
Jul 13, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 203 in Minnesota → Look up another NPI →

Also registered at 200 1St St SW

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Timothy Aadland, M.D.Diagnostic Radiology Physician1780662783
  2. Christopher Aakre, MDInternal Medicine Physician1508151663
  3. Kathryn Aaro, P.T.Physical Therapist1619360666
  4. Danielle Aase, MDReproductive Endocrinology Physician1316524135
  5. Uzoamaka Abajue, PHARMDPharmacist1982335295
  6. Francisco Abarca Rendon, MDIndependent Medical Examiner Physician1790096246

Verify Michael D. Brennan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical Practice
    Search for license 23111    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Minnesota license search

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Michael D. Brennan among 203 endocrinology, diabetes & metabolism physician records in Minnesota

Michael D. Brennan, M.D. is one of 203 endocrinology, diabetes & metabolism physician records with a practice address in Minnesota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2026 · 56% 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 Minnesota 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 Minnesota

There are 203 endocrinology, diabetes & metabolism physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 203 in Minnesota → Every provider in Rochester → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Haitham Abu Lebdeh, M.D.Rochester, MN 559051942286802
  2. Paul Carpenter, M.D.Rochester, MN 559051629054424
  3. Maria Castro, M.D.Rochester, MN 559051598741589
  4. Bart Clarke, M.D.Rochester, MN 559051346226321
  5. Vahab Fatourechi, M.D.Rochester, MN 559051356327746
  6. Hossein Gharib, M.D.Rochester, MN 559051265419501
  7. Daniel Hurley, M.D.Rochester, MN 559051427034222
  8. Kurt Kennel, M.D.Rochester, MN 559051881670867

Common questions

What is Michael D. Brennan, M.D.'s NPI number?

Michael D. Brennan, M.D.'s National Provider Identifier (NPI) is 1306822382, issued on Dec 21, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Michael D. Brennan, M.D. located?

The NPPES record lists a practice address at 200 1St St SW, Rochester, MN, 55905. Phone: (508) 284-2511. Providers update this record themselves, so call before visiting.

How can I verify Michael D. Brennan, M.D.'s license?

NPPES lists Minnesota license number 23111, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.