WILLIAM A. BERGIN D.O.
NPI 1427284439
Physical Medicine & Rehabilitation in Johnstown, PA
About William A. Bergin D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM A. BERGIN D.O. (NPI 1427284439) is an individual physical medicine & rehabilitation provider in Johnstown, Pennsylvania, licensed in Pennsylvania (OS015305) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, is affiliated with Upmc Somerset, and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 8
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
William A. Bergin D.o. 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 William Bergin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Johnstown, PA 15905
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 clinicians in this Medicare group
Bryn Mawr, PA 19010
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 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 11
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Somerset
Acute Care Hospitals · Somerset, PAConemaugh Nason Medical Center
Acute Care Hospitals · Roaring Spring, PAConemaugh Memorial Medical Center
Acute Care Hospitals · Johnstown, PAChan Soon- Shiong Medical Center At Windber
Acute Care Hospitals · Windber, PAMedicare 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 12
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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
JOHNSTOWN, PA 15905
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 William Bergin's NPI number?
The NPI number for William Bergin is 1427284439. It was assigned to this individual provider in the NPPES registry on June 4, 2009.
Where is William Bergin located?
William Bergin practices at 16 Rose Street, Johnstown, PA 15905. The listed phone number is (814) 539-0257.
What is William Bergin's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is William Bergin enrolled in Medicare?
Yes. William Bergin 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 William Bergin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Bergin reassigns Medicare benefits to 2 organizations: W A B Physical Medicine & Rehabilitation Of Pennsylvania PC (Johnstown, PA) and Center For Specialty Care (Bryn Mawr, 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 William Bergin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Bergin accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list William Bergin 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 William Bergin affiliated with any hospitals?
According to CMS data, William Bergin is affiliated with Upmc Somerset, Conemaugh Nason Medical Center, Conemaugh Memorial Medical Center and Chan Soon- Shiong Medical Center At Windber.
When was this NPI record last updated?
The NPPES record for William Bergin was last updated on February 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.