YASIR ABBAS NAEEM MD
NPI 1841250271
Internal Medicine in Lancaster, PA
About Yasir Abbas Naeem Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YASIR ABBAS NAEEM MD (NPI 1841250271) is an individual internal medicine provider in Lancaster, Pennsylvania, licensed in Pennsylvania (MD430529) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Bryn Mawr Hospital, and is a graduate of Other (1999).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Yasir Abbas Naeem 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
3Medicare enrollment records show Yasir Naeem reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lancaster, PA 17603
- Reassigned Medicare billing, Pennsylvania enrollment
- 468 clinicians in this Medicare group
Newtown Square, PA 19073
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,638 clinicians in this Medicare group
Somerset, PA 15501
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: Hospitalist Medicine Physicians Of Pennsylvania PC
- 274 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 6
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bryn Mawr Hospital
Acute Care Hospitals · Bryn Mawr, PAPaoli Hospital
Acute Care Hospitals · Paoli, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17603 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.
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.
LANCASTER, PA 17603
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 Yasir Naeem's NPI number?
The NPI number for Yasir Naeem is 1841250271. It was assigned to this individual provider in the NPPES registry on March 28, 2006.
Where is Yasir Naeem located?
Yasir Naeem practices at 250 College Ave, Lancaster, PA 17603. The listed phone number is (717) 231-8772.
What is Yasir Naeem's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Yasir Naeem enrolled in Medicare?
Yes. Yasir Naeem 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 Yasir Naeem's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yasir Naeem reassigns Medicare benefits to 3 organizations: Pinnacle Health Regional Physicians (Lancaster, PA), Main Line Healthcare (Newtown Square, PA) and Hospitalist Medicine Physicians Of Pennsylvania, P.C. (Somerset, PA). 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 Yasir Naeem's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Yasir Naeem affiliated with any hospitals?
According to CMS data, Yasir Naeem is affiliated with Bryn Mawr Hospital and Paoli Hospital.
When was this NPI record last updated?
The NPPES record for Yasir Naeem was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Yasir Abbas Naeem, MD · NPI 1841250271
Internal Medicine physician in Lancaster, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 28, 2006.
## Identity
- **NPI:** 1841250271 (Entity type: Individual)
- **Enumerated:** March 28, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD430529 (Pennsylvania)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 250 COLLEGE AVE, Lancaster, PA 17603-3363
- **Phone:** (717) 231-8772 · **Fax:** (717) 231-8435
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Pinnacle Health Regional Physicians (NPI 1689194888, Lancaster, PA); Main Line Healthcare (NPI 1922077643, Newtown Square, PA); Hospitalist Medicine Physicians Of Pennsylvania, P.C. (NPI 1639464308, Somerset, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1999
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Medicaid 1018972060001 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841250271) · Data from the CMS NPPES public registry.