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

Keystone Medical PC

Organization Gastroenterology Physician · NPI 1508677873

Keystone Medical PC is a Gastroenterology Physician in Bayside, New York. Registered with an NPI since 2025.

In the registry since
2025
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

21333 39th Ave Ste 248
Bayside, NY 11361-2092
Phone: (718) 428-5333
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X

Record details

NPI number1508677873
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Won Sohn — President · (718) 428-5333
NPI enumeratedJanuary 16, 2025
Last updated in NPPESJanuary 16, 2025
Certification dateJanuary 16, 2025
Mailing addressPo Box 605043, Bayside, NY 11360-5043

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