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NIEZAR MUNTASSER
NPI 1487775755
Counselor - Addiction (Substance Use Disorder) in New York, NY

Active since April 03, 2007PECOS Enrolled
57 SAINT MARKS PL, NEW YORK, NY 10003(212) 982-3470(212) 477-0521 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Niezar Muntasser NPPES

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

NIEZAR MUNTASSER (NPI 1487775755) is an individual addiction (substance use disorder) provider in New York, New York and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487775755
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameNIEZAR MUNTASSER
Location Address57 SAINT MARKS PLNew York, NY 10003-7902
Mailing Address57 Saint Marks PlNew York, NY 10003-7902 · (212) 982-3470 · Fax (212) 477-0521
Phone(212) 982-3470
Fax(212) 477-0521
Sole ProprietorNo
Enumeration DateApril 3, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1487775755 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 9999999999 (NY)
57 SAINT MARKS PL, New York, NY 10003
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Niezar Muntasser 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 Niezar Muntasser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

St. Mark's Place Institute For Mental Health, Inc
Same address
Mental Health (Including Community Mental Health Center)
57 SAINT MARKS PL
New York, NY 10003
  • Reassigned Medicare billing, New York enrollment
  • 22 clinicians in this Medicare group
NPI 1396783049 (212) 982-3470

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.

MR. ROBERT JOSEPH MIELA
Counselor (Addiction (Substance Use Disorder))
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470
AIMEE GRIFFITH LCSW
Social Worker (Clinical)
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470
MIRIAM MITCHELL
Counselor (Mental Health)
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3740
MR. DANTE DALLI
Counselor (Mental Health)
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470
ILONA GREBSKA STEFANIAK
Counselor (Mental Health)
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470
JENNIFER LAUREN BURICH LCSW
Social Worker (Clinical)
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470
MRS. JOANNA HERBACZEWSKA RN, BSN
Registered Nurse
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470
ICARO OTAVIO NOGUEIRA SOARES LMSW
Social Worker
57 SAINT MARKS PL
NEW YORK, NY 10003
New York County (212) 982-3470

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 Niezar Muntasser's NPI number?

The NPI number for Niezar Muntasser is 1487775755. It was assigned to this individual provider in the NPPES registry on April 3, 2007.

Where is Niezar Muntasser located?

Niezar Muntasser practices at 57 Saint Marks Pl, New York, NY 10003. The listed phone number is (212) 982-3470.

What is Niezar Muntasser's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Is Niezar Muntasser enrolled in Medicare?

Yes. Niezar Muntasser is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Niezar Muntasser's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Niezar Muntasser reassigns Medicare benefits to St. Mark's Place Institute For Mental Health, Inc (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 Niezar Muntasser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Niezar Muntasser was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.