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

Richard Marc Diamond, MD

Individual provider Hematology & Oncology Physician · NPI 1316053952

Richard Marc Diamond, MD is a Hematology/Oncology in Cornwall, New York. Graduated from New York Medical College in 1977, 49 years ago. Accepts Medicare assignment. Licensed in New York.

Years since qualifying
49
Trained at
New York Medical College
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 →

Practice location Address checks out

164 Willow Ave
Cornwall, NY 12518-1329
Phone: (845) 534-3888
Fax: (845) 534-4208
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 136654 (NY)

Record details

NPI number1316053952
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 23, 2006
Last updated in NPPESJuly 8, 2007

Medicare enrollment

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

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolNEW YORK MEDICAL COLLEGE
Graduated 1977 (49 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Cornwall