Doctor profile · Federal record

Dr. William Johncox, P.A.

Medical Physician Assistant (CMS: Physician Assistant) · Fresno, CA

  • NPI 1023124278
  • Accepts Medicare
  • 29 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
7152 N Sharon Ave Ste 102
Fresno, CA 937203361
(559) 432-6807
fax (559) 432-6937

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
October 27, 2021
Year of graduation
1997 — 29 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
California #13919

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023124278. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
44
Distinct HCPCS
1
Medicare allowed
$4,899
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 44 42 $111

In context: peer comparison

Among 14 peers in Fresno Medical Physician Assistant, average services per provider: 64. This provider delivers 0.7× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$270
Transactions
8
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 4 $163.28
Boston Scientific Corporation 3 $82.93
Abbott Laboratories 1 $24.17

By nature of payment

Food and Beverage
$270

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,143
Patients
682
Total drug cost
$127,489
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 1,273 256 $41,834
Methadone Hcl Generic 329 56 $6,312
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 217 50 $10,645
Gabapentin Generic 209 44 $3,717
Tizanidine Hcl Generic 181 49 $2,525
Tramadol Hcl Generic 177 46 $2,714
Morphine Sulfate ER (Morphine Sulfate) Brand 172 32 $8,046
Oxycodone Hcl Generic 122 33 $3,498
Acetaminophen-Codeine (Acetaminophen With Codeine) Brand 101 41 $2,201
Buprenorphine Hcl Generic 88 19 $4,895

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Johncox's medical specialty?
Dr. William Johncox practices Medical Physician Assistant in Fresno, CA.
Where does Dr. William Johncox practice?
Dr. William Johncox practices at 7152 N Sharon Ave Ste 102, Fresno, CA 937203361. Office phone: 5594326807.
What is Dr. William Johncox's NPI?
Dr. William Johncox's National Provider Identifier (NPI) is 1023124278, issued by NPPES.
Does Dr. William Johncox accept Medicare assignment?
Yes. Dr. William Johncox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Johncox commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.