MS. ALEXANDRA SAPERA
NPI 1033667811
Social Worker in New York, NY

Q: What is Alexandra Sapera's NPI number?

The NPI number for Alexandra Sapera is 1033667811. It was assigned to this individual provider in the NPPES registry on September 21, 2016.

Q: What is Alexandra Sapera's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Alexandra Sapera was last updated on September 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.

Active since September 21, 2016PECOS Enrolled

GUSTAVE L LEVY PLACE, BOX 1252- MOUNT SINAI HOSPITAL, NEW YORK, NY 10029(212) 241-6800 Get Directions Write a Review

NPPES record last updated: September 21, 2016. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Ms. Alexandra Sapera NPPES

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

MS. ALEXANDRA SAPERA (NPI 1033667811) is an individual social worker in New York, New York, licensed in New York (72 098411) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033667811

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMS. ALEXANDRA SAPERA

Location AddressGUSTAVE L LEVY PLACE, BOX 1252- MOUNT SINAI HOSPITALNew York, NY 10029-6574

Mailing AddressGustave L Levy Place, Box 1252- Mount Sinai HospitalNew York, NY 10029-6574

Phone(212) 241-6800

Sole ProprietorNo

Enumeration DateSeptember 21, 2016

✔ NPI 1033667811 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in NY · 72 098411

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

GUSTAVE L LEVY PLACE, New York, NY 10029

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Alexandra Sapera 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 Sapera reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lana Gaiton Psychological Services, PC

13 mi

Psychologist

2502 86TH ST, FLOOR 3
Brooklyn, NY 11214

Reassigned Medicare billing, New York enrollment
40 clinicians in this Medicare group

NPI 1649716127 (646) 260-9981

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

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

MS. RACHEL REBECCA CYMROT LMSW, MPH

Social Worker (Clinical)

GUSTAVE L LEVY PLACE, MOUNT SINAI HOSPITAL
NEW YORK, NY 10029

New York County (212) 423-2857

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 Sapera's NPI number?

The NPI number for Alexandra Sapera is 1033667811. It was assigned to this individual provider in the NPPES registry on September 21, 2016.

Where is Alexandra Sapera located?

Alexandra Sapera practices at Gustave L Levy Place Box 1252- Mount Sinai Hospital, New York, NY 10029. The listed phone number is (212) 241-6800.

What is Alexandra Sapera's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Is Alexandra Sapera enrolled in Medicare?

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

Which organization bills Medicare for Alexandra Sapera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexandra Sapera reassigns Medicare benefits to Lana Gaiton Psychological Services, PC (Brooklyn, 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 Sapera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexandra Sapera accept?

Health plans from Oscar Health list Alexandra Sapera 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 Sapera was last updated on September 21, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.