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

Aaron Diederich, MD

Individual provider Student in an Organized Health Care Education/Training Program · NPI 1396440459

Aaron Diederich, MD is a Student in an Organized Health Care Education/Training Program in New Haven, Connecticut. Registered with an NPI since 2023.

In the registry since
2023
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

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

Student in an Organized Health Care Education/Training Program (primary) Taxonomy 390200000X

Record details

NPI number1396440459
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 30, 2023
Last updated in NPPESSeptember 26, 2025
Certification dateSeptember 26, 2025

Other providers in New Haven