FNU ZAIN UL ABIDEEN MD
NPI 1760941926
Internal Medicine in Williamsport, PA
About Fnu Zain Ul Abideen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FNU ZAIN UL ABIDEEN MD (NPI 1760941926) is an individual internal medicine provider in Williamsport, Pennsylvania, licensed in Pennsylvania (MD477885) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, is affiliated with Lansdale Hospital, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Fnu Zain Ul Abideen 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
5Medicare enrollment records show Fnu Zain Ul Abideen reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Williamsport, PA 17701
- Reassigned Medicare billing, Pennsylvania enrollment
- 111 clinicians in this Medicare group
Altoona, PA 16601
- Reassigned Medicare billing, Pennsylvania enrollment
- 291 clinicians in this Medicare group
Abington, PA 19001
- Reassigned Medicare billing, Pennsylvania enrollment
- 167 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
Erie, PA 16550
- Reassigned Medicare billing, Pennsylvania enrollment
- 962 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 5
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lansdale Hospital
Acute Care Hospitals · Lansdale, PAUpmc Williamsport
Acute Care Hospitals · Williamsport, PAUpmc Altoona
Acute Care Hospitals · Altoona, PAUpmc Northwest
Acute Care Hospitals · Seneca, PAAbington Memorial Hospital
Acute Care Hospitals · Abington, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17701 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.
WILLIAMSPORT, PA 17701
WILLIAMSPORT, PA 17701
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 Fnu Zain Ul Abideen's NPI number?
The NPI number for Fnu Zain Ul Abideen is 1760941926. It was assigned to this individual provider in the NPPES registry on March 18, 2019.
Where is Fnu Zain Ul Abideen located?
Fnu Zain Ul Abideen practices at 700 High St, Williamsport, PA 17701. The listed phone number is (570) 321-2850.
What is Fnu Zain Ul Abideen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Fnu Zain Ul Abideen enrolled in Medicare?
Yes. Fnu Zain Ul Abideen 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 Fnu Zain Ul Abideen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Fnu Zain Ul Abideen reassigns Medicare benefits to 5 organizations: Susquehanna Physician Services (Williamsport, PA), Upmc Altoona (Altoona, PA), Abington Memorial Hospital (Abington, PA), Hospitalist Medicine Physicians Of Pennsylvania, P.C. (Somerset, PA) and Regional Health Services Inc (Erie, 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 Fnu Zain Ul Abideen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Fnu Zain Ul Abideen accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Fnu Zain Ul Abideen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Fnu Zain Ul Abideen affiliated with any hospitals?
According to CMS data, Fnu Zain Ul Abideen is affiliated with Lansdale Hospital, Upmc Williamsport, Upmc Altoona, Upmc Northwest and Abington Memorial Hospital.
When was this NPI record last updated?
The NPPES record for Fnu Zain Ul Abideen was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Fnu Zain Ul Abideen, MD · NPI 1760941926
Internal Medicine physician in Williamsport, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 18, 2019.
## Identity
- **NPI:** 1760941926 (Entity type: Individual)
- **Enumerated:** March 18, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** MD477885 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 700 HIGH ST, Williamsport, PA 17701-3100
- **Phone:** (570) 321-2850
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Susquehanna Physician Services (NPI 1992359798, Williamsport, PA); Upmc Altoona (NPI 1497831655, Altoona, PA); Abington Memorial Hospital (NPI 1770508319, Abington, PA); Hospitalist Medicine Physicians Of Pennsylvania, P.C. (NPI 1639464308, Somerset, PA); Regional Health Services Inc (NPI 1174520654, Erie, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** August 18, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1760941926) · Data from the CMS NPPES public registry.