Registry data as of Aug 27, 2026

Michael Maddy

Nephrology Physician · Duluth, MN

Michael Maddy is a nephrology physician with a practice address in Duluth, Minnesota, and NPI 1326074642, issued on Jun 26, 2006. Check the license (Minnesota 29234, 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, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1326074642
Name
Michael Maddy
Primary taxonomy
Nephrology Physician 207RN0300X
License number
29234 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
Jun 26, 2006
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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Also registered at 400 E 3RD St

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

  1. Peter Aas, MDInternal Medicine Physician1063455848
  2. Amina Adil, MDCardiovascular Disease Physician1336482314
  3. Rahul Aggarwal, M.D.Pediatric Critical Care Medicine Physician1336198332
  4. Olubisi Akinseloyin, MDHospitalist Physician1619309010
  5. Glenn Albin, M.DCardiovascular Disease Physician1902851116
  6. David AlexanderDiagnostic Radiology Physician1932135936

Verify Michael Maddy 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 29234
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Nephrology Physician providers in Minnesota

There are 204 nephrology physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other nephrology physician records in Minnesota

  1. Mohammed Abdalla, MDRochester, MN1952823007
  2. Ahmed Abdalrhim, MBBSRochester, MN1679671762
  3. Paul Abraham, MDSt Paul, MN1477528438
  4. Amogh Agrawal, MDRochester, MN1992318406
  5. Aqeel Ahmad, M.D.Saint Paul, MN1497942866
  6. Momina Ahmed, MDMinneapolist, MN1790467116
  7. Sreyoshi Alam, MBBSRochester, MN1164031324
  8. Robert Albright, D.O.Rochester, MN1417934738
  9. Hatem Amer, MBBCHRochester, MN1417936634
  10. Lagu Androga, M.D.Rochester, MN1639532963

Common questions

What is Michael Maddy's NPI number?

Michael Maddy's National Provider Identifier (NPI) is 1326074642, issued on Jun 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Michael Maddy 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 Michael Maddy's license?

NPPES lists Minnesota license number 29234, 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), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.