DR. ALEXANDRA ANTOSY PHD
NPI 1699260869
Psychologist - Clinical Child & Adolescent in New York, NY

Active since June 28, 2018PECOS Enrolled
161 FORT WASHINGTON AVE # IP7, NEW YORK, NY 10032(212) 305-9770 Get Directions Write a Review

NPPES record last updated: August 9, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Aug 9, 2022, Aug 3, 2022, Jul 26, 2022 and 1 more (4 updates tracked since 2018).

About Dr. Alexandra Antosy Phd NPPES

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

DR. ALEXANDRA ANTOSY PHD (NPI 1699260869) is an individual clinical child & adolescent provider in New York, New York, licensed in New York (025133) and active in the NPI registry since June 2018. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1699260869
Entity TypeIndividualFemale
Primary Taxonomy103TC2200X
Provider Legal NameDR. ALEXANDRA ANTOSYCredential: PHD
Location Address161 FORT WASHINGTON AVE # IP7New York, NY 10032-3729
Mailing Address161 Fort Washington Ave # Ip7New York, NY 10032-3729
Sole ProprietorNo
Enumeration DateJune 28, 2018
Last NPPES UpdateAugust 9, 20224 updates tracked since enumeration
NPPES CertifiedAugust 9, 2022
✔ NPI 1699260869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · Clinical Child & AdolescentBehavioral Health & Social Service Providers
Taxonomy Code103TC2200X
License✔ Licensed in NY · 025133
Definition
A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.
161 FORT WASHINGTON AVE # IP7, New York, NY 10032

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Alexandra Antosy Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Alexandra Antosy reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Anesthesiology
622 W 168TH ST
New York, NY 10032
  • Reassigned Medicare billing, New York enrollment
  • 3,922 clinicians in this Medicare group

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 Alexandra Antosy's NPI number?

The NPI number for Alexandra Antosy is 1699260869. It was assigned to this individual provider in the NPPES registry on June 28, 2018.

Where is Alexandra Antosy located?

Alexandra Antosy practices at 161 Fort Washington Ave # Ip7, New York, NY 10032. The listed phone number is (212) 305-9770.

What is Alexandra Antosy's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical Child & Adolescent, with taxonomy code 103TC2200X.

Is Alexandra Antosy enrolled in Medicare?

Yes. Alexandra Antosy is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexandra Antosy's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Antosy reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (New York, NY). The 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 Alexandra Antosy's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Antosy accept?

Health plans from Oscar Health list Alexandra Antosy as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Alexandra Antosy was last updated on August 9, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.