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

Dr. Diane Klein-Ritter, MD

Individual provider Internal Medicine Physician · NPI 1053346767

Dr. Diane Klein-Ritter, MD is an Internal Medicine in East Setauket, New York. Graduated from New York University School of Medicine in 1991, 35 years ago. Practices with Stony Brook Internists University Faculty Practice Corporation, a 428-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
35
Trained at
New York University School of Medicine
Licensed in
NY
In the registry since
2006
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

205 N Belle Mead Ave
East Setauket, NY 11733
Phone: (631) 444-4630
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

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 192119 (NY)

Record details

NPI number1053346767
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1991 (35 years in practice)
Group practice Stony Brook Internists University Faculty Practice Corporation — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations5 on file with Medicare

Other providers in East Setauket