WILLIAM DOWNER MD
NPI 1194723452
Radiology - Diagnostic Radiology in Washington, PA
About William Downer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM DOWNER MD (NPI 1194723452) is an individual diagnostic radiology provider in Washington, Pennsylvania, licensed in Pennsylvania (MD039577E) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Washington Hospital, The, and is a graduate of University Of Pittsburgh School Of Medicine (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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 Downer 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
2Medicare enrollment records show William Downer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Washington, PA 15301
- Reassigned Medicare billing, Pennsylvania enrollment
- 43 clinicians in this Medicare group
Washington, PA 15301
- Reassigned Medicare billing, Pennsylvania enrollment
- 13 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 44
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.
Washington Hospital, The
Acute Care Hospitals · Washington, PAMagee Womens Hospital Of Upmc Health System
Acute Care Hospitals · Pittsburgh, PAWashington Health System Greene
Acute Care Hospitals · Waynesburg, PACanonsburg General Hospital
Acute Care Hospitals · Canonsburg, PAAdvanced Surgical Hospital
Acute Care Hospitals · Washington, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15301 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.
WASHINGTON, PA 15301
WASHINGTON, PA 15301
WASHINGTON, PA 15301
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 Downer's NPI number?
The NPI number for William Downer is 1194723452. It was assigned to this individual provider in the NPPES registry on July 12, 2005.
Where is William Downer located?
William Downer practices at 155 Wilson Ave, Washington, PA 15301. The listed phone number is (724) 225-7000.
What is William Downer's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is William Downer enrolled in Medicare?
Yes. William Downer 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 Downer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Downer reassigns Medicare benefits to 2 organizations: Upmc And The Washington Hospital Cancer Center (Washington, PA) and Greater Washington Radiologists, Inc. (Washington, 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 Downer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Downer affiliated with any hospitals?
According to CMS data, William Downer is affiliated with Washington Hospital, The, Magee Womens Hospital Of Upmc Health System, Washington Health System Greene, Canonsburg General Hospital and Advanced Surgical Hospital.
When was this NPI record last updated?
The NPPES record for William Downer was last updated on July 18, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.