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GARDEN CITY OBSTETRICS & GYNECOLOGY, P.C.
NPI 1700978707
Obstetrics & Gynecology in Garden City, NY

Active since September 28, 2006
877 STEWART AVE, 30, GARDEN CITY, NY 11530(516) 222-1033 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Garden City Obstetrics & Gynecology, P.c. NPPES

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

GARDEN CITY OBSTETRICS & GYNECOLOGY, P.C. (NPI 1700978707) is a healthcare organization registered as an obstetrics & gynecology in Garden City, New York and active in the NPI registry since September 2006. The organization lists Seth Plancher, Owner, as its authorized official.

NPPES Registry Identity

NPI1700978707
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameGARDEN CITY OBSTETRICS & GYNECOLOGY, P.C.
Location Address877 STEWART AVE, 30Garden City, NY 11530-4803
Mailing Address877 Stewart Ave, 30Garden City, NY 11530-4803 · (516) 222-1033
Phone(516) 222-1033
Organization SubpartNo
Authorized OfficialSeth PlancherOwner · (516) 222-1033
Enumeration DateSeptember 28, 2006
Last NPPES UpdateJuly 15, 2026
NPPES CertifiedJuly 15, 2026
✔ NPI 1700978707 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in NY · 192169-1
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
877 STEWART AVE, Garden City, NY 11530
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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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Garden City Obstetrics & Gynecology, P.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to Garden City Obstetrics & Gynecology, P.C., which bills Medicare for the services they deliver. Of these, 3 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Seth Plancher, M.D.
Obstetrics/Gynecology
NPI 1891721866
877 STEWART AVE STE 30
Garden City, NY 11530
(516) 222-1033
✔ PECOS✔ Accepts MedicareSame address
Maria Giannopoulos, M.D.
Obstetrics/Gynecology
NPI 1598149460
877 STEWART AVE STE 30
Garden City, NY 11530
(856) 577-8138
✔ PECOS✔ Accepts MedicareSame address
Steven Sherwin, M.D.
Obstetrics/Gynecology
NPI 1174559090
877 STEWART AVE SUITE 30
Garden City, NY 11530
(516) 222-1033
✔ PECOS✔ Accepts MedicareSame 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 Garden City Obstetrics & Gynecology, P.C.'s NPI number?

The NPI number for Garden City Obstetrics & Gynecology, P.C. is 1700978707. It was assigned to this organization in the NPPES registry on September 28, 2006.

Where is Garden City Obstetrics & Gynecology, P.C. located?

Garden City Obstetrics & Gynecology, P.C. is located at 877 Stewart Ave 30, Garden City, NY 11530. The listed phone number is (516) 222-1033.

What is Garden City Obstetrics & Gynecology, P.C.'s specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Garden City Obstetrics & Gynecology, P.C. enrolled in Medicare?

Yes. Garden City Obstetrics & Gynecology, P.C. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Garden City Obstetrics & Gynecology, P.C.?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians, all in Obstetrics/Gynecology, reassign their Medicare billing to Garden City Obstetrics & Gynecology, 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. Of these, 3 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Garden City Obstetrics & Gynecology, P.C. was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.