MUZAMMIL REHMAN
NPI 1134877913
Hospitalist in Bay Shore, NY
About Muzammil Rehman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MUZAMMIL REHMAN (NPI 1134877913) is an individual hospitalist provider in Bay Shore, New York, licensed in New York (337769) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Ns/lij Hs Southside Hospital, and is a graduate of Other (2004).
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
Muzammil Rehman 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
2Medicare enrollment records show Muzammil Rehman 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
Boynton Beach, FL 33426
- Reassigned Medicare billing, New York enrollment
- 7,712 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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ns/Lij Hs Southside Hospital
Acute Care Hospitals · Bay Shore, NYNs/Lij Hs Huntington Hospital
Acute Care Hospitals · Huntington, NYNorth Shore University Hospital
Acute Care Hospitals · Manhasset, NYPeconic Bay Medical Center
Acute Care Hospitals · Riverhead, NYLong Island Community Hospital
Acute Care Hospitals · Patchogue, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 11706 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.
BAY SHORE, NY 11706
BAY SHORE, NY 11706
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 Muzammil Rehman's NPI number?
The NPI number for Muzammil Rehman is 1134877913. It was assigned to this individual provider in the NPPES registry on March 11, 2022.
Where is Muzammil Rehman located?
Muzammil Rehman practices at 301 E Main St, Bay Shore, NY 11706. The listed phone number is (631) 968-3000.
What is Muzammil Rehman's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Muzammil Rehman enrolled in Medicare?
Yes. Muzammil Rehman 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 Muzammil Rehman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Muzammil Rehman reassigns Medicare benefits to 2 organizations: North Shore - Lij Medical PC (New Hyde Park, NY) and New York University (Boynton Beach, FL). 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 Muzammil Rehman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Muzammil Rehman affiliated with any hospitals?
According to CMS data, Muzammil Rehman is affiliated with Ns/Lij Hs Southside Hospital, Ns/Lij Hs Huntington Hospital, North Shore University Hospital, Peconic Bay Medical Center and Long Island Community Hospital.
When was this NPI record last updated?
The NPPES record for Muzammil Rehman was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Muzammil Rehman · NPI 1134877913
Hospitalist physician in Bay Shore, New York. Individual provider, active in the CMS NPPES registry since March 11, 2022.
## Identity
- **NPI:** 1134877913 (Entity type: Individual)
- **Enumerated:** March 11, 2022
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 337769 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 E MAIN ST, Bay Shore, NY 11706-8408
- **Phone:** (631) 968-3000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); New York University (NPI 1285826438, Boynton Beach, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** August 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1134877913) · Data from the CMS NPPES public registry.