ALEXANDRA CATHERINE TESNAKIS LMHC
NPI 1841864386
Counselor - Mental Health in New York, NY

Active since May 19, 2021PECOS Enrolled
2090 ADAM CLAYTON POWELL JR BLVD FL 4, NEW YORK, NY 10027(212) 553-6708 Get Directions Write a Review

NPPES record last updated: May 19, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Alexandra Catherine Tesnakis Lmhc NPPES

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

ALEXANDRA CATHERINE TESNAKIS LMHC (NPI 1841864386) is an individual mental health provider in New York, New York, licensed in New York (010909-01) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841864386
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameALEXANDRA CATHERINE TESNAKISCredential: LMHC
Location Address2090 ADAM CLAYTON POWELL JR BLVD FL 4New York, NY 10027-4941
Mailing Address2090 Adam Clayton Powell Jr Blvd Fl 4New York, NY 10027-4941
Sole ProprietorNo
Enumeration DateMay 19, 2021
NPPES CertifiedMay 18, 2021
✔ NPI 1841864386 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NY · 010909-01
2090 ADAM CLAYTON POWELL JR BLVD FL 4, New York, NY 10027

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)

Alexandra Catherine Tesnakis Lmhc 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 Reassignments

2

Medicare enrollment records show Alexandra Tesnakis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Community/Behavioral Health
463 7TH AVE FL 18
New York, NY 10018
  • Reassigned Medicare billing, New York enrollment
  • 358 clinicians in this Medicare group
Mental Health
303 5TH AVE RM 1108
New York, NY 10016
  • Reassigned Medicare billing, New York enrollment
  • 33 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.

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.

Social Worker
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Social Worker
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Registered Nurse
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Social Worker
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Social Worker
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Counselor (Mental Health)
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Counselor (Mental Health)
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027
Registered Nurse
2090 ADAM CLAYTON POWELL JR BLVD FL 4
NEW YORK, NY 10027

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 Tesnakis's NPI number?

The NPI number for Alexandra Tesnakis is 1841864386. It was assigned to this individual provider in the NPPES registry on May 19, 2021.

Where is Alexandra Tesnakis located?

Alexandra Tesnakis practices at 2090 Adam Clayton Powell Jr Blvd Fl 4, New York, NY 10027. The listed phone number is (212) 553-6708.

What is Alexandra Tesnakis's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Alexandra Tesnakis enrolled in Medicare?

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

Which organizations bill Medicare for Alexandra Tesnakis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Tesnakis reassigns Medicare benefits to 2 organizations: Jewish Board Of Family & Childrens Services Inc (New York, NY) and Manhattan Mental Health Counseling, LLC (New York, NY). Each 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 Tesnakis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Tesnakis accept?

Health plans from Oscar Health list Alexandra Tesnakis 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 Tesnakis was last updated on May 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.