WILLIAM ALLEN WALTERS III MD
NPI 1689642761
Emergency Medicine in Philadelphia, PA
About William Allen Walters Iii Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM ALLEN WALTERS III MD (NPI 1689642761) is an individual emergency medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD424875) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
William Allen Walters Iii Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show William Walters reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bowie, MD 20716
- Reassigned Medicare billing, District of Columbia enrollment
- Medicare enrollment name: Emergency Medicine Associates P.A., P.C.
- 1,150 clinicians in this Medicare group
Alexandria, VA 22301
- Reassigned Medicare billing, District of Columbia enrollment
- 135 clinicians in this Medicare group
Waldorf, MD 20603
- Reassigned Medicare billing, District of Columbia enrollment
- 2,618 clinicians in this Medicare group
Newport, TN 37821
- Reassigned Medicare billing, Virginia enrollment
- 679 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19140 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
PHILADELPHIA, PA 19140
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 Walters's NPI number?
The NPI number for William Walters is 1689642761. It was assigned to this individual provider in the NPPES registry on March 14, 2006.
Where is William Walters located?
William Walters practices at 3401 N Broad Street Temple University Hospital, Philadelphia, PA 19140. The listed phone number is (215) 707-5030.
What is William Walters's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is William Walters enrolled in Medicare?
Yes. William Walters is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Walters's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Walters reassigns Medicare benefits to 4 organizations: Emergency Medicine Associates, PA (Bowie, MD), Alexandria Springfield Emergency Physicians PC (Alexandria, VA), Inova Health Care Services (Waldorf, MD) and Emergency Coverage, LLC (Newport, TN). 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 Walters's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for William Walters was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.