IREM NASIR M.D.
NPI 1205018124
Hospitalist in Middletown, NY
About Irem Nasir M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IREM NASIR M.D. (NPI 1205018124) is an individual hospitalist provider in Middletown, New York, licensed in New York (246305) and active in the NPI registry since December 2007. She is enrolled in Medicare PECOS, is affiliated with St John's Riverside Hospital, and is a graduate of Other (2004).
NPPES Registry Identity
Specialties & Licenses 2
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
Irem Nasir 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
4Medicare enrollment records show Irem Nasir reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dobbs Ferry, NY 10522
- Reassigned Medicare billing, New York enrollment
- 130 clinicians in this Medicare group
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Reading, PA 19605
- Reassigned Medicare billing, Pennsylvania enrollment
- 994 clinicians in this Medicare group
Stockbridge, GA 30281
- Reassigned Medicare billing, Georgia enrollment
- 792 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.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
St John's Riverside Hospital
Acute Care Hospitals · Yonkers, NYLancaster General Hospital
Acute Care Hospitals · Lancaster, PAPenn State Health Lancaster Medical Center
Acute Care Hospitals · Lancaster, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10941 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.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
MIDDLETOWN, NY 10941
MIDDLETOWN, NY 10941
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 Irem Nasir's NPI number?
The NPI number for Irem Nasir is 1205018124. It was assigned to this individual provider in the NPPES registry on December 3, 2007.
Where is Irem Nasir located?
Irem Nasir practices at 155 Crystal Run Rd, Middletown, NY 10941. The listed phone number is (845) 703-6999.
What is Irem Nasir's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Irem Nasir enrolled in Medicare?
Yes. Irem Nasir 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 Irem Nasir's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Irem Nasir reassigns Medicare benefits to 4 organizations: Symphony Medical PC (Dobbs Ferry, NY), North Shore-Lij Medical PC (Great Neck, NY), Penn State Health Medical Group, LLC (Reading, PA) and Piedmont Hospitalist Physicians LLC (Stockbridge, GA). 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 Irem Nasir's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Irem Nasir affiliated with any hospitals?
According to CMS data, Irem Nasir is affiliated with St John's Riverside Hospital, Lancaster General Hospital and Penn State Health Lancaster Medical Center.
When was this NPI record last updated?
The NPPES record for Irem Nasir was last updated on December 8, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Irem Nasir, M.D. · NPI 1205018124
Hospitalist physician in Middletown, New York. Individual provider, active in the CMS NPPES registry since December 3, 2007.
## Identity
- **NPI:** 1205018124 (Entity type: Individual)
- **Enumerated:** December 3, 2007
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 246305 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 155 CRYSTAL RUN RD, Middletown, NY 10941-4028
- **Phone:** (845) 703-6999 · **Fax:** (845) 703-6297
## 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): Symphony Medical PC (NPI 1023600327, Dobbs Ferry, NY); North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); Penn State Health Medical Group, LLC (NPI 1942955521, Reading, PA); Piedmont Hospitalist Physicians LLC (NPI 1548219660, Stockbridge, GA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** December 8, 2009
- **Other identifiers:** Medicare PIN 2N1231 (NY); Medicaid 02936827 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1205018124) · Data from the CMS NPPES public registry.