WILLIAM SIMMONS
NPI 1710952817
Anesthesiology in Pittsburgh, PA
About William Simmons NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM SIMMONS (NPI 1710952817) is an individual anesthesiology provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (MD036573E) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Geisinger-community Medical Center, and maintains a secondary practice location in Allentown.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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 Simmons 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
4Medicare enrollment records show William Simmons reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15261
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Philipsburg, PA 16866
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 clinicians in this Medicare group
Lock Haven, PA 17745
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,405 clinicians in this Medicare group
Portsmouth, OH 45662
- Reassigned Medicare billing, Ohio enrollment
- 549 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 8
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Geisinger-Community Medical Center
Acute Care Hospitals · Scranton, PAGeisinger Medical Center
Acute Care Hospitals · Danville, PAOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
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 Simmons's NPI number?
The NPI number for William Simmons is 1710952817. It was assigned to this individual provider in the NPPES registry on February 22, 2006.
Where is William Simmons located?
William Simmons practices at 3550 Terrace St A1305 Scaife Hall, Pittsburgh, PA 15213. The listed phone number is (412) 623-2167.
What is William Simmons's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Simmons enrolled in Medicare?
Yes. William Simmons 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 Simmons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Simmons reassigns Medicare benefits to 4 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA), Geisinger Clinic (Philipsburg, PA), Geisinger-Hm Joint Venture, LLC (Lock Haven, PA) and Somc Medical Care Foundation, Inc. (Portsmouth, OH). 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 Simmons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Simmons affiliated with any hospitals?
According to CMS data, William Simmons is affiliated with Geisinger-Community Medical Center and Geisinger Medical Center.
When was this NPI record last updated?
The NPPES record for William Simmons was last updated on September 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 31 days 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.
# William Simmons · NPI 1710952817
Anesthesiology physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 22, 2006.
## Identity
- **NPI:** 1710952817 (Entity type: Individual)
- **Enumerated:** February 22, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD036573E (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3550 TERRACE ST, A1305 SCAIFE HALL, Pittsburgh, PA 15213-2500
- **Phone:** (412) 623-2167
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): University Of Pittsburgh Physicians (NPI 1326058553, Pittsburgh, PA); Geisinger Clinic (NPI 1811948367, Philipsburg, PA); Geisinger-Hm Joint Venture, LLC (NPI 1427604222, Lock Haven, PA); Somc Medical Care Foundation, Inc. (NPI 1366686230, Portsmouth, OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Mayo Medical School, class of 1981
## Record status
- **NPPES last updated:** September 30, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1710952817) · Data from the CMS NPPES public registry.