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KEYSTONE MEDICAL PC
NPI 1508677873
Internal Medicine - Gastroenterology in Bayside, NY

Active since January 16, 2025
21333 39TH AVE STE 248, BAYSIDE, NY 11361(718) 428-5333 Get Directions Write a Review

NPPES record last updated: January 16, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Keystone Medical Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KEYSTONE MEDICAL PC (NPI 1508677873) is a healthcare organization registered as a gastroenterology in Bayside, New York and active in the NPI registry since January 2025. The organization lists Won Sohn, President, as its authorized official.

NPPES Registry Identity

NPI1508677873
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameKEYSTONE MEDICAL PC
Location Address21333 39TH AVE STE 248Bayside, NY 11361-2092
Mailing AddressPo Box 605043Bayside, NY 11360-5043
Phone(718) 428-5333
Organization SubpartNo
Authorized OfficialWon SohnPresident · (718) 428-5333
Enumeration DateJanuary 16, 2025
NPPES CertifiedJanuary 16, 2025
✔ NPI 1508677873 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
21333 39TH AVE STE 248, Bayside, NY 11361
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

BAYSIDE ENDOSCOPY MEDICAL P.C.
Clinic/Center
21333 39TH AVE STE 248
BAYSIDE, NY 11361
Queens County (917) 732-6453
WON SOHN M.D.
Internal Medicine (Gastroenterology)
21333 39TH AVE STE 248
BAYSIDE, NY 11361
Queens County (718) 428-5333

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Keystone Medical PC's NPI number?

The NPI number for Keystone Medical PC is 1508677873. It was assigned to this organization in the NPPES registry on January 16, 2025.

Where is Keystone Medical PC located?

Keystone Medical PC is located at 21333 39th Ave Ste 248, Bayside, NY 11361. The listed phone number is (718) 428-5333.

What is Keystone Medical PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Keystone Medical PC was last updated on January 16, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.