Steven Michael Gryniewicz, M.D.
Diagnostic Radiology Physician · Milwaukee, WI
Steven Michael Gryniewicz, M.D. is a diagnostic radiology physician with a practice address in Milwaukee, Wisconsin, and NPI 1457386153, issued on Jul 11, 2006. Check the license (Wisconsin 30400-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Steven Michael Gryniewicz
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 30400-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2000 E Layton Ave, Milwaukee, WI 53235
- Phone
- (414) 744-6589
- Enumerated
- Jul 11, 2006
- Record last updated
- Dec 2, 2024
- Fax
- (414) 747-8848
- Medicaid ID
- 31884700 WI
- Medicare enrollment
- Enrolled (PECOS I20040312000062); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 1988
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,005 in Wisconsin → Look up another NPI →
Also registered at 2000 E Layton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitchell Klein, MDDiagnostic Radiology Physician1912056086
- Merissa Lauzon, NP-CNurse Practitioner1346617941
- Xue Wang, MDDiagnostic Radiology Physician1265408579
Verify Steven Michael Gryniewicz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 30400-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through 3 group practices
- Aurora Advanced Healthcare, Inc.Wauwatosa, WI
- Aurora Medical Group, Inc.Milwaukee, WI
- Lakeshore Medical Clinic LLCSaint Francis, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven Michael Gryniewicz among 1,005 diagnostic radiology physician records in Wisconsin
Steven Michael Gryniewicz, M.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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 48% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1988 · median 2006 among the 664 with a school on file
- Record last updated2024 · 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.
All 1,005 in Wisconsin → Every provider in Milwaukee → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Jeffrey Hartwick, M.D.St Francis, WI 532351386671592
- Ryan Hilbelink, M.D.St Francis, WI 532351215963608
- Richard Jochem, MDSt Francis, WI 532351407893191
- Jaideep Joshi, MDSt Francis, WI 532351972572592
- Mack Karnes, M.D.St Francis, WI 532351225072721
- Kari Kluessendorf, M.D.St Francis, WI 532351477589869
- Bryan Laundre, M.D.St Francis, WI 532351578543401
- Brian Lundeen, MDSt Francis, WI 532351194775445
Common questions
What is Steven Michael Gryniewicz, M.D.'s NPI number?
Steven Michael Gryniewicz, M.D.'s National Provider Identifier (NPI) is 1457386153, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Steven Michael Gryniewicz, M.D. located?
The NPPES record lists a practice address at 2000 E Layton Ave, Milwaukee, WI, 53235. Phone: (414) 744-6589. Providers update this record themselves, so call before visiting.
How can I verify Steven Michael Gryniewicz, M.D.'s license?
NPPES lists Wisconsin license number 30400-020, 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.