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

Mr. Greg A Diamond, MD

Individual provider Ophthalmology Physician · NPI 1801894316

Mr. Greg A Diamond, MD is an Ophthalmology Physician in Fishkill, New York. Licensed in New York. Registered with an NPI since 2005.

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

200 Westage Business Ctr
Fishkill, NY 12524-2264
Phone: (845) 896-9280
Fax: (845) 896-0246
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 154910 (NY)

Record details

NPI number1801894316
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2005
Last updated in NPPESSeptember 9, 2015
Mailing address200 Westage Business Ctr, Fishkill, NY 12524-2264

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