Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANN MARIE MERCIER MD
NPI 1336644319
Obstetrics & Gynecology - Gynecologic Oncology in New York, NY

Active since March 29, 2018
89.43/100
CMS Quality Rating
1176 5TH AVE, NEW YORK, NY 10029(212) 241-6554 Get Directions Write a Review

NPPES record last updated: August 14, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 14, 2026, Jul 13, 2022, Mar 29, 2018 (3 updates tracked since 2018).

About Ann Marie Mercier Md NPPES

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

ANN MARIE MERCIER MD (NPI 1336644319) is an individual gynecologic oncology provider in New York, New York, licensed in New York (330824) and active in the NPI registry since March 2018. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1336644319
Entity TypeIndividualFemale
Primary Taxonomy207VX0201X
Provider Legal NameANN MARIE MERCIERCredential: MD
Location Address1176 5TH AVENew York, NY 10029-6503
Mailing AddressPo Box 198441Atlanta, GA 30384-8441
Sole ProprietorYes
Enumeration DateMarch 29, 2018
Last NPPES UpdateAugust 14, 20263 updates tracked since enumeration
NPPES CertifiedAugust 14, 2026
NPI 1336644319 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyObstetrics & Gynecology · Gynecologic OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207VX0201X
License Licensed in NY · 330824
Definition
An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
Also ListedObstetrics & Gynecology · GynecologyTaxonomy 207VG0400X · License ME156914 (FL)
1176 5TH AVE, New York, NY 10029

Secondary Practice Locations 2

Location 14301 W Markham St # 518Little Rock, AR 72205-7101 · Phone (501) 526-7569
Location 212902 Usf Magnolia DrTampa, FL 33612-9416 · Phone (888) 663-3488

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

89.43/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality73.84
Promoting Interoperability100
Improvement Activities40

Other Providers at the Same Location NPPES 20

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

Radiology (Diagnostic Radiology)
1176 5TH AVE
NEW YORK, NY 10029
Nurse Practitioner (Family)
1176 5TH AVE
NEW YORK, NY 10029
Radiology (Diagnostic Radiology)
1176 5TH AVE
NEW YORK, NY 10029
Physician Assistant
1176 5TH AVE
NEW YORK, NY 10029
Student in an Organized Health Care Education/Training Program
1176 5TH AVE
NEW YORK, NY 10029
Radiology (Diagnostic Radiology)
1176 5TH AVE
NEW YORK, NY 10029
Obstetrics & Gynecology
1176 5TH AVE, BOX 1170
NEW YORK, NY 10029
Radiology (Diagnostic Radiology)
1176 5TH AVE, 1ST FLOOR, BOX 1160
NEW YORK, NY 10029

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 Ann Mercier's NPI number?

The NPI number for Ann Mercier is 1336644319. It was assigned to this individual provider in the NPPES registry on March 29, 2018.

Where is Ann Mercier located?

Ann Mercier practices at 1176 5th Ave, New York, NY 10029. The listed phone number is (212) 241-6554.

What is Ann Mercier's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology, specializing in Gynecologic Oncology, with taxonomy code 207VX0201X.

When was this NPI record last updated?

The NPPES record for Ann Mercier was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 days 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.