John J. Wysolmerski, MD
Endocrinology, Diabetes & Metabolism Physician · New Haven, CT
John J. Wysolmerski, MD is an endocrinology, diabetes & metabolism physician with a practice address in New Haven, Connecticut, and NPI 1114050663, issued on Mar 13, 2007. Check the license (Connecticut 030740, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John J. Wysolmerski
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 030740 CT
Self-reported in NPPES; status is on the state search - Practice location
- 789 Howard Ave, New Haven, CT 06520
- Phone
- (203) 737-1058
- Enumerated
- Mar 13, 2007
- Record last updated
- Jan 28, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (203) 737-2812
- Medicaid ID
- 001307405 CT
- Medicare enrollment
- Enrolled (PECOS I20100623000013); accepts Medicare assignment
- Medical or professional school
- Yale University School Of Medicine, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 214 in Connecticut → Look up another NPI →
Verify John J. Wysolmerski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 030740Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
178 Medicare Part D claims for 35 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Alendronate Sodium102 claims
- Synthroid11 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): 73.6 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).
Bills Medicare through one group practice
- Yale UniversityNew Haven, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Wysolmerski among 214 endocrinology, diabetes & metabolism physician records in Connecticut
John J. Wysolmerski, MD is one of 214 endocrinology, diabetes & metabolism physician records with a practice address in Connecticut. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 46% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1986 · median 2004 among the 145 with a school on file
- Record last updated2013 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Connecticut
There are 214 endocrinology, diabetes & metabolism physician records in Connecticut.
All 214 in Connecticut → Every provider in New Haven → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Joan Cho, MDNew Haven, CT 065201942242490
- Clare Flannery, M.D.New Haven, CT 065201831360742
- Barbara Gulanski, MDNew Haven, CT 065201194707810
- Kevan Herold, MDNew Haven, CT 065201083709463
- Anika Anam, M.D.New Haven, CT 065191376885905
- Clemens Bergwitz, MDNew Haven, CT 065191518957067
- Jonathan Bogan, MDNew Haven, CT 065191326021536
- Sonia Hegde, D.O.New Haven, CT 065191487870101
Common questions
What is John J. Wysolmerski, MD's NPI number?
John J. Wysolmerski, MD's National Provider Identifier (NPI) is 1114050663, issued on Mar 13, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John J. Wysolmerski, MD located?
The NPPES record lists a practice address at 789 Howard Ave, New Haven, CT, 06520. Phone: (203) 737-1058. Providers update this record themselves, so call before visiting.
How can I verify John J. Wysolmerski, MD's license?
NPPES lists Connecticut license number 030740, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John J. Wysolmerski, MD prescribe under Medicare Part D?
In 2024, John J. Wysolmerski, MD had 178 Medicare Part D claims for 35 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is John J. Wysolmerski, MD's MIPS final score?
The 2023 MIPS final score is 73.6 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.