WILLIAM G. FILMYER M.D.
NPI 1346260437
Anesthesiology in Philadelphia, PA
About William G. Filmyer M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM G. FILMYER M.D. (NPI 1346260437) is an individual anesthesiology provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD046353L) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Temple Health - Chestnut Hill Hospital, and is a graduate of Washington University School Of Medicine (1988).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 12
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 G. Filmyer M.d. 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 Filmyer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Darby, PA 19023
- Reassigned Medicare billing, Pennsylvania enrollment
- 400 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, Pennsylvania enrollment
- 928 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Temple Health - Chestnut Hill Hospital
Acute Care Hospitals · Philadelphia, 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.
PHILADELPHIA, PA 19114
PHILADELPHIA, PA 19114
PHILADELPHIA, PA 19114
PHILADELPHIA, PA 19114
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 Filmyer's NPI number?
The NPI number for William Filmyer is 1346260437. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is William Filmyer located?
William Filmyer practices at 3998 Red Lion Rd Anesthesia Department, Philadelphia, PA 19114. The listed phone number is (215) 612-4088.
What is William Filmyer's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is William Filmyer enrolled in Medicare?
Yes. William Filmyer 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 Filmyer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Filmyer reassigns Medicare benefits to 2 organizations: Northstar Anesthesia Of Pennsylvania, LLC (Darby, PA) and North American Partners In Anesthesia, Pennsylvania , LLC (Melville, NY). 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 Filmyer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Filmyer affiliated with any hospitals?
According to CMS data, William Filmyer is affiliated with Temple Health - Chestnut Hill Hospital.
When was this NPI record last updated?
The NPPES record for William Filmyer was last updated on July 12, 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.
# William G. Filmyer, M.D. · NPI 1346260437
Anesthesiology physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 20, 2006.
## Identity
- **NPI:** 1346260437 (Entity type: Individual)
- **Enumerated:** July 20, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** MD046353L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 3998 RED LION RD, ANESTHESIA DEPARTMENT, Philadelphia, PA 19114-1436
- **Phone:** (215) 612-4088 · **Fax:** (215) 612-4323
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Northstar Anesthesia Of Pennsylvania, LLC (NPI 1700218989, Darby, PA); North American Partners In Anesthesia, Pennsylvania , LLC (NPI 1639137854, Melville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Washington University School Of Medicine, class of 1988
## Record status
- **NPPES last updated:** July 12, 2007
- **Other identifiers:** Other 01697 (PA); Other 0309216000 (PA); Other 30563 (PA); and 9 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346260437) · Data from the CMS NPPES public registry.