Doctor profile · Federal record

Dr. John Wysolmerski, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · New Haven, CT

  • NPI 1114050663
  • Accepts Medicare
  • MIPS 71.7 / 100 · 2023
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
789 Howard Ave, Dana Clinic Building
New Haven, CT 065208020
(203) 737-1058
fax (203) 737-2812
Mailing address
Po Box 208020, 789 Howard Avenue
New Haven, CT 065208020

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
January 28, 2013
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Connecticut #030740
Medicaid
CT #001307405

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114050663. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
64
Distinct HCPCS
2
Medicare allowed
$8,665
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 43 37 $151
99214 Established patient office or other outpatient visit, 30-39 minutes 21 19 $103

In context: peer comparison

Among 18 peers in this city , average services per provider: 119. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
21
Total drug cost
$1,038
Drug Type Claims Patients Total cost
Alendronate Sodium Generic 81 21 $1,038

Frequently asked questions

Auto-generated from federal data
What is Dr. John Wysolmerski's medical specialty?
Dr. John Wysolmerski practices Endocrinology, Diabetes & Metabolism Physician in New Haven, CT.
Where does Dr. John Wysolmerski practice?
Dr. John Wysolmerski practices at 789 Howard Ave, New Haven, CT 065208020. Office phone: 2037371058.
What is Dr. John Wysolmerski's NPI?
Dr. John Wysolmerski's National Provider Identifier (NPI) is 1114050663, issued by NPPES.
Does Dr. John Wysolmerski accept Medicare assignment?
Yes. Dr. John Wysolmerski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Wysolmerski commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.