Registry data as of Aug 27, 2026

Kirk Brown, M.D.

Internal Medicine Physician · Grafton, WI

Kirk Brown, M.D. is an internal medicine physician with a practice address in Grafton, Wisconsin, and NPI 1861770729, issued on Jul 26, 2011. Check the license (Wisconsin 62418, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1861770729
Name
Kirk Brown
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
62418 WI
Self-reported in NPPES; status is on the state search
Practice location
975 Port Washington RD, Grafton, WI 53024
Phone
(262) 329-3450
Enumerated
Jul 26, 2011
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 975 Port Washington RD

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

  1. Hamid Afsari, D.O.Hospitalist Physician1053672048
  2. Muhammed Al-Fawakhiri, MDInternal Medicine Physician1942276613
  3. Beverly Altman, LMTMassage Therapist1447888789
  4. Claudia Altmann, MDInfectious Disease Physician1386691756
  5. Peter Andrew, AAAnesthesiologist Assistant1821704545
  6. Patrick AndrewsPhysical Therapist1689481962

Verify Kirk Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 62418
    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.

One hospital or facility affiliation

  1. Aurora Medical Group, Inc.Grafton, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

29 internal medicine physician records list a Grafton practice address

They are 29 of the 459 NPPES records with a Grafton practice address, and 2,832 internal medicine physician records in Wisconsin.

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 Kirk Brown, M.D.'s NPI number?

Kirk Brown, M.D.'s National Provider Identifier (NPI) is 1861770729, issued on Jul 26, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Kirk Brown, M.D. located?

The NPPES record lists a practice address at 975 Port Washington RD, Grafton, WI, 53024. Phone: (262) 329-3450. Providers update this record themselves, so call before visiting.

How can I verify Kirk Brown, M.D.'s license?

NPPES lists Wisconsin license number 62418, 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. Medicare files from data.cms.gov. 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.