Bartosz Grzywacz, M.D.
Anatomic Pathology & Clinical Pathology Physician · Madison, WI
Bartosz Grzywacz, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Madison, Wisconsin, and NPI 1386870251, issued on Jun 5, 2009. Check the license on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Bartosz Grzywacz
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 107470 MN
Self-reported in NPPES; status is on the state search - Practice location
- UW Hospital And Clinics, Madison, WI 53792
- Phone
- (608) 263-0572
- Enumerated
- Jun 5, 2009
- Entity
- Type 1 · individual
Also registered at UW Hospital And Clinics
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Madelyn Alvarez, MDInternal Medicine Physician1063831717
- Corey Amlong, M.D.Anesthesiology Physician1235454067
- Kerstin Austin, M.D.Gastroenterology Physician1497013023
- James Bauer, M.D.Anatomic Pathology & Clinical Pathology Physician1902249543
- Lisa BodenhamerPsychiatry Physician1255750733
Verify Bartosz Grzywacz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining BoardCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 81.7 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Harvard Medical Faculty Phys AT Beth Israel Deaconess Med Ctr IncBoston, MA
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.
Anatomic Pathology & Clinical Pathology Physician providers in Wisconsin
There are 302 anatomic pathology & clinical pathology physician records in Wisconsin.
Other anatomic pathology & clinical pathology physician records in Wisconsin
- Daniel Abbott, M.D.Manitowoc, WI1467894873
- Adekunle Adesokan, M.D.West Allis, WI1790777043
- Maria Ahmad, M.D.Madison, WI1104987650
- Laeekha Ali, MDBeaver Dam, WI1245200427
- Mahmoud Ali, MBBCHMilwaukee, WI1366089310
- Lori Allen, M.D.Racine, WI1982626222
- Madeline AmbordMadison, WI1508708611
- Margaret Anderson, MDMilwaukee, WI1114952538
- Paul Angermeier, MDElkhorn, WI1417982836
- James Angevine, MDMadison, WI1346501756
Common questions
What is Bartosz Grzywacz, M.D.'s NPI number?
Bartosz Grzywacz, M.D.'s National Provider Identifier (NPI) is 1386870251, issued on Jun 5, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Bartosz Grzywacz, M.D. located?
The NPPES record lists a practice address at UW Hospital And Clinics, Madison, WI, 53792. Phone: (608) 263-0572. Providers update this record themselves, so call before visiting.
How can I verify Bartosz Grzywacz, M.D.'s license?
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.
What is Bartosz Grzywacz, M.D.'s Medicare quality score?
The 2023 MIPS final score is 81.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.