Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John J Wysolmerski, MD

Individual provider Endocrinology, Diabetes & Metabolism Physician · NPI 1114050663

John J Wysolmerski, MD is an Endocrinology in New Haven, Connecticut. Graduated from Yale University School of Medicine in 1986, 40 years ago. Practices with Yale University, a 2,618-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Connecticut.

Years since qualifying
40
Trained at
Yale University School of Medicine
Licensed in
CT
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

789 Howard Ave Dana Clinic Bldg
New Haven, CT 06520-8020
Phone: (203) 737-1058
Fax: (203) 737-2812
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Endocrinology, Diabetes & Metabolism Physician (primary) Taxonomy 207RE0101X · Licence 030740 (CT)

Record details

NPI number1114050663
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 13, 2007
Last updated in NPPESJanuary 28, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyENDOCRINOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1986 (40 years in practice)
Group practice Yale University — 2618 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in New Haven