Registry data as of Aug 27, 2026

John Macdonald, MD

Internal Medicine Physician · Oconto, WI

John Macdonald, MD is an internal medicine physician with a practice address in Oconto, Wisconsin, and NPI 1467437715, issued on Dec 9, 2005. Check the license (Wisconsin 27025, as entered in NPPES) on the Wisconsin Medical Examining Board; 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
1467437715
Name
John Macdonald
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
27025 WI
Self-reported in NPPES; status is on the state search
Practice location
820 Arbutus Ave, Oconto, WI 54153
Phone
(920) 835-1100
Enumerated
Dec 9, 2005
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.
Download card Updates feed

Also registered at 820 Arbutus Ave

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

  1. Lindsey Baade, APNPFamily Nurse Practitioner1043599194
  2. Michael Brenner, M.D.Emergency Medicine Physician1659781441
  3. Jac Clement, PA-CPhysician Assistant1649289778
  4. Mark Dittloff, MS, LPCProfessional Counselor1194965590
  5. Lori Eklund Walsh, LCSW,LPC,SACAddiction (Substance Use Disorder) Counselor1457425951
  6. Kirstin Filkey, RDHDental Hygienist1063739001

Verify John Macdonald in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 27025
    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 Wisconsin 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.

2 internal medicine physician records list a Oconto practice address

They are 2 of the 76 NPPES records with a Oconto practice address, and 2,832 internal medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other internal medicine physician records in Wisconsin

  1. Sheetal Aatrai, MDMarshfield, WI1417568965
  2. Noormuhammad Abbasakoor, M.D.Sheboygan, WI1558645895
  3. Khalid Abdelgadir, MDManitowoc, WI1407433295
  4. Kareem Abdelhadi, MDRice Lake, WI1841494432
  5. Mesfin Abdissa, MDMilwaukee, WI1376579417
  6. Mohamed Fouzi Abdul Hameed, M.D.Weston, WI1255590899
  7. Hamza Abdul Majeed, DOMilwaukee, WI1881013282
  8. Anas Abed, MDMadison, WI1659002566
  9. Sameem Abedin, MDMilwaukee, WI1063641157
  10. Vincent Abejuela, DOMilwaukee, WI1356928543

Common questions

What is John Macdonald, MD's NPI number?

John Macdonald, MD's National Provider Identifier (NPI) is 1467437715, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.

Where is John Macdonald, MD located?

The NPPES record lists a practice address at 820 Arbutus Ave, Oconto, WI, 54153. Phone: (920) 835-1100. Providers update this record themselves, so call before visiting.

How can I verify John Macdonald, MD's license?

NPPES lists Wisconsin license number 27025, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. 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.