John A. Patterson, M.D.
Obstetrics & Gynecology Physician · Racine, WI
John A. Patterson, M.D. is an obstetrics & gynecology physician with a practice address in Racine, Wisconsin, and NPI 1457375370, issued on Jul 26, 2006. Check the license (Wisconsin 36705-020, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John A. Patterson
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 36705-020 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3821 Spring St, Racine, WI 53405
- Phone
- (262) 687-8460
- Enumerated
- Jul 26, 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 obstetrics & gynecology physician records → All 796 in Wisconsin → Look up another NPI →
Also registered at 3821 Spring St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Alexander, M.D.Obstetrics & Gynecology Physician1588698989
- Mary Callahan, N.P.Women's Health Nurse Practitioner1992739346
- Katherine Canfield, M.D.Pediatrics Physician1134324502
- Veronica Carver, MDObstetrics & Gynecology Physician1780600056
- Sandra Elfering, M.D.Obstetrics & Gynecology Physician1942230909
- Stuart Fox, M.D.Gynecology Physician1366472235
Verify John A. Patterson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 36705-020Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
126 Medicare Part D claims for 46 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Alendronate Sodium13 claims
- Valacyclovir13 claims
- Estradiol12 claims
- Solifenacin Succinate12 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).
John A. Patterson among 796 obstetrics & gynecology physician records in Wisconsin
John A. Patterson, M.D. is one of 796 obstetrics & gynecology physician records with a practice address in Wisconsin. 71% 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, 47% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Wisconsin
There are 796 obstetrics & gynecology physician records in Wisconsin.
All 796 in Wisconsin → Every provider in Racine → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Andrew Alexander, M.D.Racine, WI 534051588698989
- Dustin Brown, M.D.Mount Pleasant, WI 534051326204785
- Veronica Carver, MDRacine, WI 534051780600056
- Sandra Elfering, M.D.Racine, WI 534051942230909
- Anya Hartley, MDMount Pleasant, WI 534051679733471
- Tasha Johnson, MDRacine, WI 534051033174016
- Jeffrey Musson, MDRacine, WI 534051730100447
- Gregory Pae, MDRacine, WI 534051831103076
Common questions
What is John A. Patterson, M.D.'s NPI number?
John A. Patterson, M.D.'s National Provider Identifier (NPI) is 1457375370, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John A. Patterson, M.D. located?
The NPPES record lists a practice address at 3821 Spring St, Racine, WI, 53405. Phone: (262) 687-8460. Providers update this record themselves, so call before visiting.
How can I verify John A. Patterson, M.D.'s license?
NPPES lists Wisconsin license number 36705-020, 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.
How much does John A. Patterson, M.D. prescribe under Medicare Part D?
In 2024, John A. Patterson, M.D. had 126 Medicare Part D claims for 46 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is John A. Patterson, M.D.'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.