William Felts, PA-C
NPI 1528411311 · Physician Assistant · Worcester, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Felts, PA-C is a Physician Assistant provider in Worcester, MA (NPI 1528411311).
Provider details
- NPI number
- 1528411311
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
553 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 218 | $155 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 142 | $108 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 103 | $6 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 47 | $156 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 30 | $63 |
| Critical Care, First 30-74 Minutes99291 | 13 | $190 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 24 | 22 |
| Cephalexin | 20 | 20 |
| Doxycycline Hyclate | 14 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 14 |
| Ondansetronbrand: Ondansetron Odt | 12 | 12 |
| Prednisone | 12 | 12 |
| Methylprednisolone | 11 | — |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-07-18
- Last updated
- 2016-07-18
Frequently asked questions
- What is William Felts's NPI number?
- William Felts's National Provider Identifier (NPI) is 1528411311, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Felts's specialty?
- William Felts is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Felts located?
- William Felts's practice location on file with NPPES is 123 Summer St, Worcester, MA 01608-1216.
- What is William Felts's phone number?
- The practice phone number listed in the NPPES registry for William Felts is (781) 280-1695.
- Does William Felts accept Medicare?
- William Felts is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Felts's NPI active?
- Yes — William Felts's NPI (1528411311) is active in the NPPES registry as of the last update on 2016-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.