William Welch, MD
NPI 1295701647 · Neurological Surgery Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Neurosurgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Welch, MD is a Neurological Surgery Physician provider in Philadelphia, PA (NPI 1295701647).
Provider details
- NPI number
- 1295701647
- Entity type
- Individual
- Primary specialty
- Neurological Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD047686L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,330 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 282 | $184 |
| Partial Removal of Spine Bone With Release of Spinal Cord And/Or Nerves, Each Additional Segment63048 | 277 | $218 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 264 | $146 |
| Fusion of Additional Segment of Spine22614 | 139 | $406 |
| Partial Removal of Spine Bone With Release of Lower Spinal Cord And/Or Nerves, 1 Segment63047 | 129 | $806 |
| Fusion of Spine in Lower Back |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$578 across 8 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-27
- Last updated
- 2012-05-29
Frequently asked questions
- What is William Welch's NPI number?
- William Welch's National Provider Identifier (NPI) is 1295701647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Welch's specialty?
- William Welch is listed in the NPPES registry with a primary specialty of Neurological Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is William Welch located?
- William Welch's practice location on file with NPPES is 330 S 9th St, Philadelphia, PA 19107-6153.
- What is William Welch's phone number?
- The practice phone number listed in the NPPES registry for William Welch is (215) 829-6700.
- Does William Welch accept Medicare?
- William Welch is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Welch's NPI active?
- Yes — William Welch's NPI (1295701647) is active in the NPPES registry as of the last update on 2012-05-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.