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

Westchester Internal Medicine PC

Organization Internal Medicine Physician · NPI 1245279660

Westchester Internal Medicine PC is an Internal Medicine Physician in Sleepy Hollow, New York. Licensed in New York. Registered with an NPI since 2006.

Licensed in
NY
In the registry since
2006
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

777 N Broadway Ste 310
Sleepy Hollow, NY 10591-1000
Phone: (914) 333-0034
Fax: (914) 333-0046
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 176762 (NY)

Record details

NPI number1245279660
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Owen O'Neill — President · (914) 333-0034
NPI enumeratedJune 5, 2006
Last updated in NPPESAugust 22, 2020
Mailing address777 N Broadway, Suite 310, Sleepy Hollow, NY 10591-1000

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