Doctor profile · Federal record

Dr. Matthew Williams, PA

Physician Assistant · Hanford, CA

  • NPI 1891392643
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Adventist Health Hanford, 115 Mall Dr.
Hanford, CA 93230
(559) 582-9000
Mailing address
2816 San Gabriel Ave
Clovis, CA 936116552

Credentials & registration

NPPES · NUCC
NPI registered
October 2020 — 6 yrs on file
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
California #PA58583

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1891392643. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
485
Distinct HCPCS
10
Medicare allowed
$37,327
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 163 158 $74
99203 New patient office or other outpatient visit, 30-44 minutes 93 93 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 61 59 $104
81003 Automated urinalysis test 50 47 $2
99204 New patient office or other outpatient visit, 45-59 minutes 46 46 $137
87426 Detection test by immunoassay technique for severe acute respiratory syndrome coronavirus 19 19 $35
99215 Established patient office or other outpatient visit, 40-54 minutes 16 16 $147
87880 Detection test by immunoassay with direct visual observation for streptococcus, group a (strep) 13 13 $16
90471 Administration of vaccine 12 12 $17
90715 Diphtheria, tetanus, and acellular pertussis vaccine (7 years or older) 12 12 $38

In context: peer comparison

Among 6 peers in this city , average services per provider: 177. This provider delivers 2.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
825
Patients
791
Total drug cost
$6,340
Drug Type Claims Patients Total cost
Prednisone Generic 289 277 $740
Ibuprofen Generic 84 84 $286
Cephalexin Generic 71 70 $896
Mupirocin Generic 64 62 $426
Doxycycline Hyclate Generic 54 52 $394
Doxycycline Monohydrate Generic 42 42 $913
Diclofenac Sodium Generic 41 40 $990
Cyclobenzaprine Hcl Generic 40 40 $209
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 36 36 $532
Fluconazole Generic 22 22 $103

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Williams's medical specialty?
Dr. Matthew Williams practices Physician Assistant in Hanford, CA.
Where does Dr. Matthew Williams practice?
Dr. Matthew Williams practices at Adventist Health Hanford, Hanford, CA 93230. Office phone: 5595829000.
What is Dr. Matthew Williams's NPI?
Dr. Matthew Williams's National Provider Identifier (NPI) is 1891392643, issued by NPPES.
Does Dr. Matthew Williams accept Medicare assignment?
Yes. Dr. Matthew Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Matthew Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.