Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Irem Nasir, MD

Individual provider Internal Medicine Physician · NPI 1205018124

Irem Nasir, MD is a Hospitalist in Middletown, New York. Qualified in 2004, 22 years ago. Practices with Penn State Health Medical Group LLC, a 711-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
22
Licensed in
NY
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

155 Crystal Run Rd
Middletown, NY 10941-4028 Not confirmed with CMS for 16 years — call before visiting
Phone: (845) 703-6999
Fax: (845) 703-6297
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 246305 (NY)
Internal Medicine Physician Taxonomy 207R00000X · Licence 246305 (NY)

Record details

NPI number1205018124
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 3, 2007
Last updated in NPPESDecember 8, 2009

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Penn State Health Medical Group Llc — 711 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients304
Services billed 358 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Penn State Health Medical Group LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 711 clinicians in the practice; 12 are shown here.

Other providers in Middletown