William Walker, PA-C
NPI 1427039650 · Medical Physician Assistant · Jacksonville, FL
Enrolled with Medicare as Order and Referring Only - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Walker, PA-C is a Medical Physician Assistant provider in Jacksonville, FL (NPI 1427039650).
Provider details
- NPI number
- 1427039650
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
- License
- PA9100985 (FL)
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 tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (2)
- 1833 BoulevardJacksonville, FL 32206-4382Phone: (904) 232-2751
- 1536 N Jefferson StJacksonville, FL 32209-6525Phone: (904) 475-6319Fax: (904) 475-5809
Registry dates
- Enumerated
- 2005-11-05
- Last updated
- 2019-12-03
Frequently asked questions
- What is William Walker's NPI number?
- William Walker's National Provider Identifier (NPI) is 1427039650, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Walker's specialty?
- William Walker is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Walker located?
- William Walker's practice location on file with NPPES is 1536 N Jefferson St, Jacksonville, FL 32209-6525.
- What is William Walker's phone number?
- The practice phone number listed in the NPPES registry for William Walker is (904) 475-6319.
- Does William Walker accept Medicare?
- William Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Walker's NPI active?
- Yes — William Walker's NPI (1427039650) is active in the NPPES registry as of the last update on 2019-12-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.