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

Dr. Gerard B Donnelly, MD

Individual provider Hematology & Oncology Physician · NPI 1518966944

Dr. Gerard B Donnelly, MD is a Hematology/Oncology in New Hyde Park, New York. Graduated from George Washington University School of Medicine in 1993, 33 years ago. Practices with New York University, a 5,884-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York.

Years since qualifying
33
Trained at
George Washington University School of Medicine
Licensed in
NY
In the registry since
2005
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

1999 Marcus Ave Ste 306
New Hyde Park, NY 11042-1028
Phone: (516) 627-1221
Fax: (516) 627-6857
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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 200441 (NY)

Record details

NPI number1518966944
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 18, 2005
Last updated in NPPESMarch 26, 2021
Certification dateMarch 26, 2021

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice New York University — 5884 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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