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

Roger S. Keresztes, MD

Individual provider Hematology & Oncology Physician · NPI 1770638868

Roger S. Keresztes, MD is a Medical Oncology in Stony Brook, New York. Graduated from Rutgers New Jersey Medical School in 1987, 39 years ago. Practices with Stony Brook Internists University Faculty Practice Corporation, a 428-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
39
Trained at
Rutgers New Jersey Medical School
Licensed in
NY
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

3 Edmund Pellegrino Rd
Stony Brook, NY 11794-9447
Phone: (631) 638-1000
Fax: (631) 444-7530
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 180051 (NY)

Record details

NPI number1770638868
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJanuary 25, 2007
Last updated in NPPESApril 12, 2022
Certification dateApril 12, 2022

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1987 (39 years in practice)
Group practice Stony Brook Internists University Faculty Practice Corporation — 428 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Stony Brook