NPPES file of Aug 9, 2026

Michael Orrin Griffin, M.D., PH.D.

Diagnostic Radiology Physician · Milwaukee, WI

Michael Orrin Griffin, M.D., PH.D. is a diagnostic radiology physician with a practice address in Milwaukee, Wisconsin, and NPI 1811127558, issued on Jul 15, 2009. Check the license (Wisconsin 54830-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1811127558
Name
Michael Orrin Griffin
Credential
M.D., PH.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
54830-20 WI
Self-reported in NPPES; status is on the state search
Practice location
9200 W. Wisconsin Ave., Milwaukee, WI 53226
Phone
(414) 805-3750
Enumerated
Jul 15, 2009
Record last updated
Aug 20, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20150609003103); accepts Medicare assignment
Medical or professional school
University Of Wisconsin School Of Medicine, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 9200 W. Wisconsin Ave.

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

  1. Angel Espinosa, MDAnesthesiology Physician1982494258
  2. Nadine McDowell, R.DRegistered Dietitian1245680966

Verify Michael Orrin Griffin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 54830-20
    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.

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Bills Medicare through 2 group practices

  1. Froedtert Andthe Medical College OF Wisconsin Community Physicians IncGermantown, WI
  2. The Medical College OF Wisconsin IncWauwatosa, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Michael Orrin Griffin among 1,005 diagnostic radiology physician records in Wisconsin

Michael Orrin Griffin, M.D., PH.D. is one of 1,005 diagnostic radiology physician records with a practice address in Wisconsin. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.

  • NPI issued2009 · 64% of these records are older, 32% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2009 · median 2006 among the 664 with a school on file
  • Record last updated2010 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

226 diagnostic radiology physician records list a practice address in Milwaukee

They are 226 of the 18,389 NPPES records with a practice address in Milwaukee, and 1,005 diagnostic radiology physician records in Wisconsin.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Guillermo Carrera, MDMilwaukee, WI 532261821049214
  2. Mary Beth Gonyo, MDMilwaukee, WI 532261649221441
  3. Lawrence Goodman, MDMilwaukee, WI 532261548211048
  4. David Gregg, MDMilwaukee, WI 532261134178601
  5. John Heighway, MDMilwaukee, WI 532261861469215
  6. Robert Hieb, MDMilwaukee, WI 532261578514022
  7. Michael Holt, MDMilwaukee, WI 532261700871266
  8. Brian Jellison, MDMilwaukee, WI 532261225016835

Common questions

What is Michael Orrin Griffin, M.D., PH.D.'s NPI number?

Michael Orrin Griffin, M.D., PH.D.'s National Provider Identifier (NPI) is 1811127558, issued on Jul 15, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Michael Orrin Griffin, M.D., PH.D. located?

The NPPES record lists a practice address at 9200 W. Wisconsin Ave., Milwaukee, WI, 53226. Phone: (414) 805-3750. Providers update this record themselves, so call before visiting.

How can I verify Michael Orrin Griffin, M.D., PH.D.'s license?

NPPES lists Wisconsin license number 54830-20, 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), file of Aug 9, 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.

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.