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

Robert W. O'Leary, MD, PC

Organization Anesthesiology Physician · NPI 1275869315

Robert W. O'Leary, MD, PC is an Anesthesiology Physician in East Patchogue, New York. Registered with an NPI since 2009.

In the registry since
2009
Specialties on file
2
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

285 Sills Rd Ste 9D
East Patchogue, NY 11772-4869
Phone: (631) 569-4114
Fax: (631) 569-4115
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X
Pain Medicine (Anesthesiology) Physician Taxonomy 207LP2900X

Record details

NPI number1275869315
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert O'Leary — Owner · (631) 569-4114
NPI enumeratedOctober 25, 2009
Last updated in NPPESSeptember 13, 2010
Mailing address11 Amy Dr, Sayville, NY 11782-3224

Other providers in East Patchogue