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MARCUS AVENUE OB/GYN, PC
NPI 1679322259
Obstetrics & Gynecology in New Hyde Park, NY

Active since May 15, 2024
1 HOLLOW LN STE 315, NEW HYDE PARK, NY 11042(516) 437-4300(516) 437-2033 Get Directions Write a Review

NPPES record last updated: May 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Marcus Avenue Ob/gyn, Pc NPPES

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

MARCUS AVENUE OB/GYN, PC (NPI 1679322259) is a healthcare organization registered as an obstetrics & gynecology in New Hyde Park, New York and active in the NPI registry since May 2024. The organization lists Christine J Duncan, Administrator, as its authorized official.

NPPES Registry Identity

NPI1679322259
Entity TypeOrganization
Primary Taxonomy207V00000X
Legal Business NameMARCUS AVENUE OB/GYN, PC
Location Address1 HOLLOW LN STE 315New Hyde Park, NY 11042-1215
Mailing Address1 Hollow Ln Ste 315New Hyde Park, NY 11042-1215 · (516) 437-4300 · Fax (516) 437-2033
Phone(516) 437-4300
Fax(516) 437-2033
Organization SubpartNo
Authorized OfficialChristine J DuncanAdministrator · (516) 437-4300
Enumeration DateMay 15, 2024
NPPES CertifiedMay 15, 2024
✔ NPI 1679322259 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
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.
1 HOLLOW LN STE 315, New Hyde Park, NY 11042
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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)

Marcus Avenue Ob/gyn, Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Marcus Avenue Ob/Gyn, PC, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 9 within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Esther Hirschhorn
Obstetrics/Gynecology
NPI 1295197978
1 HOLLOW LN STE 315
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOSSame address
Marci Ostroff, MD
Obstetrics/Gynecology
NPI 1295731461
1 HOLLOW LN STE 315
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS✔ Accepts MedicareSame address
Renata Scott-Ram, M.D.
Obstetrics/Gynecology
NPI 1225290455
1 HOLLOW LN STE 315
New Hyde Park, NY 11042
(165) 437-4300
✔ PECOS✔ Accepts MedicareSame address
Marni Sanders, M.D.
Obstetrics/Gynecology
NPI 1215933304
1 HOLLOW LN STE 315
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS✔ Accepts Medicare1.8 mi
Nicole Bell, M.D.
Obstetrics/Gynecology
NPI 1255404380
410 LAKEVILLE RD SUITE 305
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS✔ Accepts Medicare2.0 mi
Christine Duncan, M.D.
Obstetrics/Gynecology
NPI 1306842497
410 LAKEVILLE RD STE 305
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS✔ Accepts Medicare2.0 mi
Amy Newman, CNM, WHNP
Certified Nurse Midwife (CNM)
NPI 1316066343
410 LAKEVILLE RD STE 305
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS✔ Accepts Medicare2.0 mi
Nicole Smizer, M.D.
Obstetrics/Gynecology
NPI 1225326846
410 LAKEVILLE RD
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS2.0 mi
Britney Nathan, MD
Obstetrics/Gynecology
NPI 1164009205
1 HOLLOW LN
New Hyde Park, NY 11042
(516) 437-4300
✔ PECOS✔ Accepts Medicare2.2 mi

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 Marcus Avenue Ob/Gyn, PC's NPI number?

The NPI number for Marcus Avenue Ob/Gyn, PC is 1679322259. It was assigned to this organization in the NPPES registry on May 15, 2024.

Where is Marcus Avenue Ob/Gyn, PC located?

Marcus Avenue Ob/Gyn, PC is located at 1 Hollow Ln Ste 315, New Hyde Park, NY 11042. The listed phone number is (516) 437-4300.

What is Marcus Avenue Ob/Gyn, PC's specialty?

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

Is Marcus Avenue Ob/Gyn, PC enrolled in Medicare?

Yes. Marcus Avenue Ob/Gyn, PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Marcus Avenue Ob/Gyn, PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Marcus Avenue Ob/Gyn, PC. 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. The largest specialties are Obstetrics/Gynecology (8) and Certified Nurse Midwife (CNM) (1). Of these, 3 practice at this address and 9 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Marcus Avenue Ob/Gyn, PC was last updated on May 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.