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DR. COURTNEY ARIEL ALEXANDER MD
NPI 1720666860
Obstetrics & Gynecology in New York, NY

Active since March 30, 2021
635 MADISON AVE FL 6, NEW YORK, NY 10022(212) 988-2111(877) 389-3138 Get Directions Write a Review

NPPES record last updated: April 16, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Apr 16, 2026, Mar 30, 2021 (2 updates tracked since 2021).

About Dr. Courtney Ariel Alexander Md NPPES

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

DR. COURTNEY ARIEL ALEXANDER MD (NPI 1720666860) is an individual obstetrics & gynecology provider in New York, New York, licensed in New York (336227) and active in the NPI registry since March 2021.

NPPES Registry Identity

NPI1720666860
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. COURTNEY ARIEL ALEXANDERCredential: MD
Location Address635 MADISON AVE FL 6New York, NY 10022-1251
Mailing Address635 Madison Ave Fl 6New York, NY 10022-1251 · (212) 988-2111 · Fax (877) 389-3138
Phone(212) 988-2111
Fax(877) 389-3138
Sole ProprietorNo
Enumeration DateMarch 30, 2021
Last NPPES UpdateApril 16, 20262 updates tracked since enumeration
NPPES CertifiedApril 16, 2026
✔ NPI 1720666860 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 · 336227
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.
635 MADISON AVE FL 6, New York, NY 10022
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Other Providers at the Same Location NPPES 4

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

MAUREEN CERVANTES FNP-BC
Nurse Practitioner (Family)
635 MADISON AVE FL 6
NEW YORK, NY 10022
New York County (212) 988-2111
SHANNON CHANG
Obstetrics & Gynecology
635 MADISON AVE FL 6
NEW YORK, NY 10022
New York County (212) 988-2111
AHMED BADAWI M.D.
Obstetrics & Gynecology
635 MADISON AVE FL 6
NEW YORK, NY 10022
New York County (212) 988-2111
JAG MEDICAL PLLC
Obstetrics & Gynecology
635 MADISON AVE FL 6
NEW YORK, NY 10022
New York County (212) 988-2111

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 Courtney Alexander's NPI number?

The NPI number for Courtney Alexander is 1720666860. It was assigned to this individual provider in the NPPES registry on March 30, 2021.

Where is Courtney Alexander located?

Courtney Alexander practices at 635 Madison Ave Fl 6, New York, NY 10022. The listed phone number is (212) 988-2111.

What is Courtney Alexander's specialty?

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

When was this NPI record last updated?

The NPPES record for Courtney Alexander was last updated on April 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.