Gerald Wisniewski, MD
Internal Medicine Physician · Racine, WI
Gerald Wisniewski, MD is an internal medicine physician with a practice address in Racine, Wisconsin, and NPI 1164432647, issued on Aug 8, 2006. Check the license (Wisconsin 19072, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Gerald Wisniewski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 19072 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1 Main St, Racine, WI 53403
- Phone
- (262) 687-6100
- Enumerated
- Aug 8, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,078 in Wisconsin → Look up another NPI →
Also registered at 1 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Suzanne Cooper, N.P.Gerontology Nurse Practitioner1952335317
- James Gierahn, M.D.Geriatric Medicine (Internal Medicine) Physician1306870696
- Susan Nosalik, NPNurse Practitioner1669496063
- Daniel Ross, M.D.Internal Medicine Physician1982628855
Verify Gerald Wisniewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 19072Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,178 Medicare Part D claims for 15 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 11 claims were for opioids.
Most prescribed
- Metoprolol Succinate58 claims
- Atorvastatin Calcium57 claims
- Furosemide57 claims
- Potassium Chloride53 claims
- Levothyroxine Sodium43 claims
- Triamcinolone Acetonide42 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 82.4 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).
Gerald Wisniewski among 2,078 internal medicine physician records in Wisconsin
Gerald Wisniewski, 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 fileNo · 53% of these records are
- Record last updated2007 · 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).
18 internal medicine physician records list a practice address in Racine
They are 18 of the 1,022 NPPES records with a practice address in Racine, and 2,078 internal medicine physician records in Wisconsin.
All 2,078 in Wisconsin → Every provider in Racine → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Carlynn Crevier, M.D.Mount Pleasant, WI 534031962504670
- Daniel Ross, M.D.Racine, WI 534031982628855
- Joseph Mathew, M.D.Racine, WI 534021023031853
- Mary Pagano, MDRacine, WI 534021639286958
- Shalini Ravi, MDRacine, WI 534021861832990
- Bonnie Wirfs, MDRacine, WI 534041215095096
- Alexandra Beris, M.D.Mount Pleasant, WI 534051174520050
- Jerome Brooks, MDRacine, WI 534051346254588
Common questions
What is Gerald Wisniewski, MD's NPI number?
Gerald Wisniewski, MD's National Provider Identifier (NPI) is 1164432647, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gerald Wisniewski, MD located?
The NPPES record lists a practice address at 1 Main St, Racine, WI, 53403. Phone: (262) 687-6100. Providers update this record themselves, so call before visiting.
How can I verify Gerald Wisniewski, MD's license?
NPPES lists Wisconsin license number 19072, 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 Gerald Wisniewski, MD prescribe under Medicare Part D?
In 2024, Gerald Wisniewski, MD had 1,178 Medicare Part D claims for 15 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gerald Wisniewski, MD's MIPS final score?
The 2023 MIPS final score is 82.4 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), 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.