Barbara Grzaba-Gracz, MD
Internal Medicine Physician · Milwaukee, WI
Barbara Grzaba-Gracz, MD is an internal medicine physician with a practice address in Milwaukee, Wisconsin, and NPI 1366557316, issued on Aug 20, 2006. Check the license (Wisconsin 40549, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Barbara Grzaba-Gracz
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 40549 WI
036-108135 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2801 W Kinnickinnic River Pkwy, Milwaukee, WI 53215
- Phone
- (414) 385-8600
- Enumerated
- Aug 20, 2006
- Record last updated
- May 29, 2024
- Medicaid ID
- 32582100 WI
- Medicare enrollment
- Enrolled (PECOS I20051221000773); may accept Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 2801 W Kinnickinnic River Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Semina Ahmad, M.D.Family Medicine Physician1619146495
- Suhail Allaqaband, MDInterventional Cardiology Physician1669449203
- Laith Alsayegh, MDCardiovascular Disease Physician1093721847
- Khawaja Ammar, MDInterventional Cardiology Physician1477528065
- Tahlin Avedian, M.D.Family Medicine Physician1194042408
- Kristin BachmanNurse Practitioner1801167093
Verify Barbara Grzaba-Gracz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 40549Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.9 times the Medicare Part D claims of the average internal medicine physician in 2024
18,892 Medicare Part D claims for 1,167 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 332 claims were for opioids.
Most prescribed
- Atorvastatin Calcium1,181 claims
- Levothyroxine Sodium914 claims
- Amlodipine Besylate808 claims
- Losartan Potassium804 claims
- Pantoprazole Sodium787 claims
- Omeprazole635 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Aamg Reach PLLCKenosha, WI
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Barbara Grzaba-Gracz among 2,078 internal medicine physician records in Wisconsin
Barbara Grzaba-Gracz, MD is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 46% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated1987 · median 2002 among the 1,098 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
382 internal medicine physician records list a practice address in Milwaukee
They are 382 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Milwaukee → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Richard Battiola, M.D.Milwaukee, WI 532151194709964
- Edward Chang, MDMilwaukee, WI 532151669461141
- William Chung, MDMilwaukee, WI 532151598754723
- Maritza Laguna, M.D.Milwaukee, WI 532151417928946
- Don Lee, M.D.Milwaukee, WI 532151336135375
- Marshal Mirviss, M.D.Milwaukee, WI 532151205820958
- Colleen Nichols, M.D.Milwaukee, WI 532151174507933
- Aijaz Noor, M.D.Milwaukee, WI 532151861476624
Common questions
What is Barbara Grzaba-Gracz, MD's NPI number?
Barbara Grzaba-Gracz, MD's National Provider Identifier (NPI) is 1366557316, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Barbara Grzaba-Gracz, MD located?
The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy, Milwaukee, WI, 53215. Phone: (414) 385-8600. Providers update this record themselves, so call before visiting.
How can I verify Barbara Grzaba-Gracz, MD's license?
NPPES lists Wisconsin license number 40549, 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.
How much does Barbara Grzaba-Gracz, MD prescribe under Medicare Part D?
In 2024, Barbara Grzaba-Gracz, MD had 18,892 Medicare Part D claims for 1,167 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.