William Johncox, P.A.
NPI 1023124278 · Medical Physician Assistant · Fresno, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Johncox, P.A. is a Medical Physician Assistant provider in Fresno, CA (NPI 1023124278).
Provider details
- NPI number
- 1023124278
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- P.A.
- Sex
- Male
- Sole proprietor
- No
- License
- 13919 (CA)
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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 1,841 | 341 |
| Methadone Hcl | 338 | 63 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 297 | 66 |
| Tramadol Hcl | 268 | 69 |
| Tizanidine Hcl | 253 | 65 |
| Gabapentin | 197 | 44 |
| Morphine Sulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 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
- 2006-08-21
- Last updated
- 2021-10-27
- Certified
- 2021-10-27
Frequently asked questions
- What is William Johncox's NPI number?
- William Johncox's National Provider Identifier (NPI) is 1023124278, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Johncox's specialty?
- William Johncox is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is William Johncox located?
- William Johncox's practice location on file with NPPES is 7152 N Sharon Ave Ste 102, Fresno, CA 93720-3361.
- What is William Johncox's phone number?
- The practice phone number listed in the NPPES registry for William Johncox is (559) 432-6807.
- Does William Johncox accept Medicare?
- William Johncox is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Johncox's NPI active?
- Yes — William Johncox's NPI (1023124278) is active in the NPPES registry as of the last update on 2021-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.