MR. HASSAN SHAHEED GREENIDGE PA
NPI 1801435748
Physician Assistant in Hempstead, NY
About Mr. Hassan Shaheed Greenidge Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. HASSAN SHAHEED GREENIDGE PA (NPI 1801435748) is an individual physician assistant in Hempstead, New York and active in the NPI registry since December 2019. He is enrolled in Medicare PECOS, is affiliated with Nyu Langone Hospitals, and maintains a secondary practice location in Berkeley Heights.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Hassan Shaheed Greenidge Pa 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Nyu Langone Hospitals
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11550 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Greenidge's NPI number?
The NPI number for Hassan Greenidge is 1801435748. It was assigned to this individual provider in the NPPES registry on December 23, 2019.
Where is Hassan Greenidge located?
Hassan Greenidge practices at 577 Fulton Ave Apt 2H, Hempstead, NY 11550. The listed phone number is (516) 670-6161.
What is Hassan Greenidge's specialty?
The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.
Is Hassan Greenidge enrolled in Medicare?
Yes. Hassan Greenidge 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.
Is Hassan Greenidge affiliated with any hospitals?
According to CMS data, Hassan Greenidge is affiliated with Nyu Langone Hospitals.
When was this NPI record last updated?
The NPPES record for Hassan Greenidge was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Mr. Hassan Shaheed Greenidge, PA · NPI 1801435748
Physician Assistant physician in Hempstead, New York. Individual provider, active in the CMS NPPES registry since December 23, 2019.
## Identity
- **NPI:** 1801435748 (Entity type: Individual)
- **Enumerated:** December 23, 2019
- **Primary specialty:** Physician Assistant · taxonomy 363A00000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 577 FULTON AVE APT 2H, Hempstead, NY 11550-4365
- **Phone:** (516) 670-6161
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** January 16, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1801435748) · Data from the CMS NPPES public registry.