Doctor profile · Federal record

Dr. William Clark

Medical Physician Assistant · Prescott, AZ

  • NPI 1184362659
  • 4 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1042 Willow Creek RD
Prescott, AZ 863011673
(928) 379-0838

Credentials & registration

NPPES · NUCC
NPI registered
May 2022 — 4 yrs on file
Profile last updated
December 5, 2023
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Arizona #9297

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184362659. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
219
Distinct HCPCS
5
Medicare allowed
$21,428
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 137 137 $100
99285 Emergency department visit with high level of medical decision making 37 37 $145
99283 Emergency department visit with low level of medical decision making 20 20 $59
12013 Simple repair of surface wound of face, ears, eyelids, nose, lips, or mouth, 2.6-5.0 cm 14 14 $48
12002 Simple repair of surface wound of scalp, neck, underarms, trunk, arms, or legs, 2.6-7.5 cm 11 11 $46

In context: peer comparison

Among 8 peers in this city , average services per provider: 84. This provider delivers 2.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
384
Patients
380
Total drug cost
$3,319
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 84 82 $311
Cephalexin Generic 66 65 $482
Prednisone Generic 38 38 $93
Ondansetron Hcl Generic 24 24 $140
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 23 23 $196
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 22 22 $780
Azithromycin Generic 19 19 $121
Ciprofloxacin Hcl Generic 16 16 $101
Methylprednisolone Generic 15 15 $173
Diclofenac Sodium Generic 14 14 $387

Frequently asked questions

Auto-generated from federal data
What is Dr. William Clark's medical specialty?
Dr. William Clark practices Medical Physician Assistant in Prescott, AZ.
Where does Dr. William Clark practice?
Dr. William Clark practices at 1042 Willow Creek RD, Prescott, AZ 863011673. Office phone: 9283790838.
What is Dr. William Clark's NPI?
Dr. William Clark's National Provider Identifier (NPI) is 1184362659, issued by NPPES.
What procedures does Dr. William Clark commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.