DR. WILLIAM CHARLES WELCH MD
NPI 1295701647
Neurological Surgery in Philadelphia, PA
About Dr. William Charles Welch Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. WILLIAM CHARLES WELCH MD (NPI 1295701647) is an individual neurological surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD047686L) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with University Medical Center Of Princeton At Plainsboro, and is a graduate of Other (1985).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Dr. William Charles Welch 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 Reassignment
Medicare enrollment records show William Welch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 3,488 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 14
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.
University Medical Center Of Princeton At Plainsboro
Acute Care Hospitals · Plainsboro, NJSt Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PAHospital Of Univ Of Pennsylvania
Acute Care Hospitals · Philadelphia, PAWilkes-Barre General Hospital
Acute Care Hospitals · Wilkes-Barre, PAPennsylvania Hospital
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19107
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 Welch's NPI number?
The NPI number for William Welch is 1295701647. It was assigned to this individual provider in the NPPES registry on February 27, 2006.
Where is William Welch located?
William Welch practices at 330 S 9th St 4th Floor, Philadelphia, PA 19107. The listed phone number is (215) 829-6700.
What is William Welch's specialty?
The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.
Is William Welch enrolled in Medicare?
Yes. William Welch 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 Welch's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Welch reassigns Medicare benefits to University Of Penn-Medical Group (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 Welch's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Welch accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list William Welch 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.
Is William Welch affiliated with any hospitals?
According to CMS data, William Welch is affiliated with University Medical Center Of Princeton At Plainsboro, St Luke's Hospital Bethlehem, Hospital Of Univ Of Pennsylvania, Wilkes-Barre General Hospital and Pennsylvania Hospital.
When was this NPI record last updated?
The NPPES record for William Welch was last updated on May 29, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Dr. William Charles Welch, MD · NPI 1295701647
Neurological Surgery physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 27, 2006.
## Identity
- **NPI:** 1295701647 (Entity type: Individual)
- **Enumerated:** February 27, 2006
- **Primary specialty:** Neurological Surgery · taxonomy 207T00000X
- **State license:** MD047686L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 330 S 9TH ST, 4TH FLOOR, Philadelphia, PA 19107-6153
- **Phone:** (215) 829-6700 · **Fax:** (215) 829-7747
## 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:** University Of Penn-Medical Group (NPI 1669860854, Philadelphia, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1985
## Record status
- **NPPES last updated:** May 29, 2012
- **Other identifiers:** Medicaid 001412250 (PA); Medicare UPIN F20926 (PA); Medicare PIN 080085 (PA)
---
Source: [NPI Profile](https://npiprofile.com/npi/1295701647) · Data from the CMS NPPES public registry.