ALEX G HIRSCH M.D.
NPI 1902895121
Obstetrics & Gynecology in Hewlett, NY
About Alex G Hirsch M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX G HIRSCH M.D. (NPI 1902895121) is an individual obstetrics & gynecology provider in Hewlett, New York, licensed in New York (156493) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Phelps Hospital, and is a graduate of Other (1979).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alex G Hirsch M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Alex Hirsch reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valley Stream, NY 11580
- Reassigned Medicare billing, New York enrollment
- 25 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Mamaroneck, NY 10543
- Reassigned Medicare billing, New York enrollment
- 149 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Phelps Hospital
Acute Care Hospitals · Sleepy Hollow, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11557 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.
HEWLETT, NY 11557
HEWLETT, NY 11557
HEWLETT, NY 11557
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 Alex Hirsch's NPI number?
The NPI number for Alex Hirsch is 1902895121. It was assigned to this individual provider in the NPPES registry on October 20, 2005.
Where is Alex Hirsch located?
Alex Hirsch practices at 1800 Rockaway Ave Suite 211, Hewlett, NY 11557. The listed phone number is (516) 593-7500.
What is Alex Hirsch's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alex Hirsch enrolled in Medicare?
Yes. Alex Hirsch is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alex Hirsch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Hirsch reassigns Medicare benefits to 3 organizations: South Nassau Physician Practice PC (Valley Stream, NY), North Shore - Lij Medical PC (New Hyde Park, NY) and Open Door Family Medical Center, Inc. (Mamaroneck, 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 Alex Hirsch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alex Hirsch affiliated with any hospitals?
According to CMS data, Alex Hirsch is affiliated with Phelps Hospital.
When was this NPI record last updated?
The NPPES record for Alex Hirsch was last updated on March 22, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.