Registry data as of Aug 27, 2026

William Piotrowski, MD

Family Medicine Physician · North Branch, MN

William Piotrowski, MD is a family medicine physician with a practice address in North Branch, Minnesota, and NPI 1831258615, issued on Dec 7, 2006. Check the license 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
1831258615
Name
William Piotrowski
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
Practice location
6413 Oak St, North Branch, MN 55056
Phone
(651) 674-8353
Enumerated
Dec 7, 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 6413 Oak St

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

  1. Linda Barrett, MDFamily Medicine Physician1346268539
  2. Michael Dummer, MDFamily Medicine Physician1376649434
  3. Marcella Gutierrez, MPAS, PA-CPhysician Assistant1063780187

Verify William Piotrowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMinnesota Board of Medical PracticeCheck 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.

8 family medicine physician records list a North Branch practice address

They are 8 of the 104 NPPES records with a North Branch practice address, and 3,876 family medicine physician records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other family medicine physician records in Minnesota

  1. Allison AaseMinneapolis, MN1255028239
  2. Lise Aasheim, M.D.Albert Lea, MN1871571851
  3. Cherry Abary, D.O.Eden Prairie, MN1821019712
  4. Jihan Abbott, D.O.Woodbury, MN1306138870
  5. Mona Abdel-Bary, MBBCHFridley, MN1689067860
  6. Yasmin Abdulaya, MDSaint Cloud, MN1437892536
  7. Bangean Abdullah, MDCoon Rapids, MN1952363137
  8. Melika AbdulwhabMinnetonka, MN1538662515
  9. Ryan Aberle, MDRobbinsdale, MN1639732928
  10. Gregory Abler, MDMorris, MN1609889740

Common questions

What is William Piotrowski, MD's NPI number?

William Piotrowski, MD's National Provider Identifier (NPI) is 1831258615, issued on Dec 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Piotrowski, MD located?

The NPPES record lists a practice address at 6413 Oak St, North Branch, MN, 55056. Phone: (651) 674-8353. Providers update this record themselves, so call before visiting.

How can I verify William Piotrowski, MD's license?

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.