MR. HASSAN FRINJARI MD
NPI 1811127764
Obstetrics & Gynecology in Rockville Centre, NY
About Mr. Hassan Frinjari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. HASSAN FRINJARI MD (NPI 1811127764) is an individual obstetrics & gynecology provider in Rockville Centre, New York, licensed in New York (312411) and active in the NPI registry since July 2009. He is enrolled in Medicare PECOS, is affiliated with Mercy Medical Center, and is a graduate of Other (2001).
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 and accepts Medicare assignment
Mr. Hassan Frinjari Md 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
4Medicare enrollment records show Hassan Frinjari reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rockville Centre, NY 11571
- Reassigned Medicare billing, New York enrollment
- 266 clinicians in this Medicare group
Rockville Centre, NY 11570
- Reassigned Medicare billing, New York enrollment
- 944 clinicians in this Medicare group
Jamaica, NY 11418
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Tjh Medical Services PC
- 497 clinicians in this Medicare group
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 966 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.
Mercy Medical Center
Acute Care Hospitals · Rockville Centre, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11570 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.
ROCKVILLE CENTRE, NY 11570
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 Hassan Frinjari's NPI number?
The NPI number for Hassan Frinjari is 1811127764. It was assigned to this individual provider in the NPPES registry on July 24, 2009.
Where is Hassan Frinjari located?
Hassan Frinjari practices at 1000 N Village Ave, Rockville Centre, NY 11570. The listed phone number is (516) 705-1613.
What is Hassan Frinjari's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Hassan Frinjari enrolled in Medicare?
Yes. Hassan Frinjari 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 Hassan Frinjari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Hassan Frinjari reassigns Medicare benefits to 4 organizations: Mercy Medical Center (Rockville Centre, NY), Chs Physician Partners, PC (Rockville Centre, NY), Tjh Medical Services, P.C. (Jamaica, NY) and University Of Maryland Community Medical Group, Inc. (Baltimore, MD). 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 Hassan Frinjari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Hassan Frinjari affiliated with any hospitals?
According to CMS data, Hassan Frinjari is affiliated with Mercy Medical Center.
When was this NPI record last updated?
The NPPES record for Hassan Frinjari was last updated on September 26, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mr. Hassan Frinjari, MD · NPI 1811127764
Obstetrics & Gynecology physician in Rockville Centre, New York. Individual provider, active in the CMS NPPES registry since July 24, 2009.
## Identity
- **NPI:** 1811127764 (Entity type: Individual)
- **Enumerated:** July 24, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 312411 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 1000 N VILLAGE AVE, Rockville Centre, NY 11570-1000
- **Phone:** (516) 705-1613
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Mercy Medical Center (NPI 1104097294, Rockville Centre, NY); Chs Physician Partners, PC (NPI 1649515925, Rockville Centre, NY); Tjh Medical Services, P.C. (NPI 1184670465, Jamaica, NY); University Of Maryland Community Medical Group, Inc. (NPI 1477530624, Baltimore, MD) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** September 26, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1811127764) · Data from the CMS NPPES public registry.