1. Home
  2. Directory
  3. New York
  4. New York New York
  5. Clinic Center
  6. NPI Profile

GWEN S. KOROVIN, M.D. P.C.
NPI 1063781698
Clinic/Center - Health Service in New York, NY

Active since December 28, 2011
70 E 77TH ST, 1B, NEW YORK, NY 10075(212) 879-6630(212) 650-9736 Get Directions Write a Review

NPPES record last updated: December 28, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Gwen S. Korovin, M.d. P.c. NPPES

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

GWEN S. KOROVIN, M.D. P.C. (NPI 1063781698) is a healthcare organization registered as a health service in New York, New York and active in the NPI registry since December 2011. The organization lists Gwen S Korovin, Doctor, as its authorized official.

NPPES Registry Identity

NPI1063781698
Entity TypeOrganization
Primary Taxonomy261QH0100X
Legal Business NameGWEN S. KOROVIN, M.D. P.C.
Location Address70 E 77TH ST, 1BNew York, NY 10075-1811
Mailing Address70 E 77th St, 1bNew York, NY 10075-1811 · (212) 879-6630 · Fax (212) 650-9736
Phone(212) 879-6630
Fax(212) 650-9736
Organization SubpartNo
Authorized OfficialGwen S KorovinDoctor · (212) 879-6630
Enumeration DateDecember 28, 2011
✔ NPI 1063781698 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Health ServiceAmbulatory Health Care Facilities
Taxonomy Code261QH0100X
License✔ Licensed in NY · 163850
70 E 77TH ST, New York, NY 10075
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINA62369NY

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gwen S. Korovin, M.d. P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by January 31, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateNew YorkEnrollment IDO20120119000038Non-DME Part B · Clinic/Group PracticeDue dateJanuary 31, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Gwen S. Korovin, M.D. P.C., which bills Medicare for the services this clinician delivers.

Clinician (1)

Gwen Korovin, M.D.
Otolaryngology
NPI 1053465344
70 E 77TH ST 1B
New York, NY 10075
(212) 879-6630
✔ PECOSSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Gwen S. Korovin, M.D. P.C.'s NPI number?

The NPI number for Gwen S. Korovin, M.D. P.C. is 1063781698. It was assigned to this organization in the NPPES registry on December 28, 2011.

Where is Gwen S. Korovin, M.D. P.C. located?

Gwen S. Korovin, M.D. P.C. is located at 70 E 77th St 1B, New York, NY 10075. The listed phone number is (212) 879-6630.

What is Gwen S. Korovin, M.D. P.C.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Health Service, with taxonomy code 261QH0100X.

Is Gwen S. Korovin, M.D. P.C. enrolled in Medicare?

Yes. Gwen S. Korovin, M.D. P.C. is registered in the Medicare PECOS enrollment system.

When is Gwen S. Korovin, M.D. P.C.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (New York, Clinic/Group Practice) is due for revalidation by January 31, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Gwen S. Korovin, M.D. P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Otolaryngology) reassigns their Medicare billing to Gwen S. Korovin, M.D. P.C.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Gwen S. Korovin, M.D. P.C. was last updated on December 28, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years 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.