MS. ANASTASIA GRETSAS LMSW
NPI 1053500769
Social Worker - Clinical in Bronx, NY
About Ms. Anastasia Gretsas Lmsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. ANASTASIA GRETSAS LMSW (NPI 1053500769) is an individual clinical provider in Bronx, New York and active in the NPI registry since October 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ms. Anastasia Gretsas Lmsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Anastasia Gretsas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bronx, NY 10453
- Reassigned Medicare billing, New York enrollment
- 98 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10473 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 Anastasia Gretsas's NPI number?
The NPI number for Anastasia Gretsas is 1053500769. It was assigned to this individual provider in the NPPES registry on October 18, 2007.
Where is Anastasia Gretsas located?
Anastasia Gretsas practices at 1967 Turnbull Ave, Bronx, NY 10473. The listed phone number is (718) 620-5323.
What is Anastasia Gretsas's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Anastasia Gretsas enrolled in Medicare?
Yes. Anastasia Gretsas is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Anastasia Gretsas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anastasia Gretsas reassigns Medicare benefits to Morris Heights Health Center, Inc. (Bronx, 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 Anastasia Gretsas'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 Anastasia Gretsas was last updated on February 6, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.