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

Jeffrey R Gruen, MD

Individual provider Neonatal-Perinatal Medicine Physician · NPI 1598748709

Jeffrey R Gruen, MD is a Pediatric Medicine in New Haven, Connecticut. Graduated from Tulane University School of Medicine in 1981, 45 years ago. Licensed in Connecticut.

Years since qualifying
45
Trained at
Tulane University School of Medicine
Licensed in
CT
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

20 York St Ynhh (children's) West Pavilion - 2nd Fl
New Haven, CT 06504-8900
Phone: (203) 688-2320
Fax: (203) 688-5426
Show map & directions

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

Specialties & licences

Neonatal-Perinatal Medicine Physician (primary) Taxonomy 2080N0001X · Licence 025237 (CT)

Record details

NPI number1598748709
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 22, 2005
Last updated in NPPESJuly 7, 2008

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Accepts Medicare assignment Not indicated

Other providers in New Haven