MR. WILLIAM SIMON LEOPOLD LCSW
NPI 1043564370
Social Worker - Clinical in Philadelphia, PA
About Mr. William Simon Leopold Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM SIMON LEOPOLD LCSW (NPI 1043564370) is an individual clinical provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (CW016968) and active in the NPI registry since November 2012. He is enrolled in Medicare PECOS and is a graduate of Other (1977).
NPPES Registry Identity
Specialties & Licenses
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
Mr. William Simon Leopold Lcsw 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 Reassignment
Medicare enrollment records show William Leopold reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19143
- Reassigned Medicare billing, Pennsylvania enrollment
- 232 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19143 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.
PHILADELPHIA, PA 19143
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 Leopold's NPI number?
The NPI number for William Leopold is 1043564370. It was assigned to this individual provider in the NPPES registry on November 8, 2012.
Where is William Leopold located?
William Leopold practices at 5000 Woodland Ave, Philadelphia, PA 19143. The listed phone number is (215) 726-9807.
What is William Leopold's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is William Leopold enrolled in Medicare?
Yes. William Leopold 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 organization bills Medicare for William Leopold's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Leopold reassigns Medicare benefits to Greater Philadelphia Health Action Inc. (Philadelphia, PA). The 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 Leopold's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Leopold accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list William Leopold 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.
When was this NPI record last updated?
The NPPES record for William Leopold was last updated on December 4, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Mr. William Simon Leopold, LCSW · NPI 1043564370
Clinical provider in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since November 8, 2012.
## Identity
- **NPI:** 1043564370 (Entity type: Individual)
- **Enumerated:** November 8, 2012
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** CW016968 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 5000 WOODLAND AVE, Philadelphia, PA 19143-5137
- **Phone:** (215) 726-9807 · **Fax:** (215) 726-0424
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Greater Philadelphia Health Action Inc. (NPI 1952356867, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1977
## Record status
- **NPPES last updated:** December 4, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1043564370) · Data from the CMS NPPES public registry.