DR. AMMAR MAHMOUD M.D.
NPI 1720374986
Obstetrics & Gynecology in New York, NY
About Dr. Ammar Mahmoud M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. AMMAR MAHMOUD M.D. (NPI 1720374986) is an individual obstetrics & gynecology provider in New York, New York, licensed in Foreign Country (NA) and active in the NPI registry since June 2011. He 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)
Dr. Ammar Mahmoud M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Ammar Mahmoud reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Garden City, NY 11530
- Reassigned Medicare billing, New York enrollment
- 35 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 10036 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
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 Ammar Mahmoud's NPI number?
The NPI number for Ammar Mahmoud is 1720374986. It was assigned to this individual provider in the NPPES registry on June 24, 2011.
Where is Ammar Mahmoud located?
Ammar Mahmoud practices at 590 5th Ave Fl 17, New York, NY 10036. The listed phone number is (347) 881-6191.
What is Ammar Mahmoud's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Ammar Mahmoud enrolled in Medicare?
Yes. Ammar Mahmoud is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ammar Mahmoud's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ammar Mahmoud reassigns Medicare benefits to 2 organizations: North Shore - Lij Medical PC (New Hyde Park, NY) and Bethpage Medical, PLLC (Garden City, 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 Ammar Mahmoud'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 Ammar Mahmoud was last updated on February 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.