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

Dr. Gregory Aaron Breuer, MD, PHD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1629652417

Dr. Gregory Aaron Breuer, MD, PHD is a Student in an Organized Health Care Education/Training Program in New Haven, Connecticut. Licensed in Connecticut. Registered with an NPI since 2021.

Licensed in
CT
In the registry since
2021
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

20 York St
New Haven, CT 06510-3220
Phone: (203) 688-4242
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

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 1.076379 (CT)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1629652417
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedMay 8, 2021
Last updated in NPPESSeptember 16, 2024
Certification dateSeptember 16, 2024

Other providers in New Haven