Matthew Thomas Williams, PA
Physician Assistant · Hanford, CA
Matthew Thomas Williams, PA is a physician assistant with a practice address in Hanford, California, and NPI 1891392643, issued on Oct 5, 2020. Check the license (California PA58583, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Thomas Williams
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA58583 CA
Self-reported in NPPES; status is on the state search - Practice location
- Adventist Health Hanford, Hanford, CA 93230
- Phone
- (559) 582-9000
- Enumerated
- Oct 5, 2020
- Record last updated
- Oct 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20220601001124); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Verify Matthew Thomas Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA58583Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average physician assistant in 2024
838 Medicare Part D claims for 581 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone344 claims
- Cephalexin89 claims
- Ibuprofen80 claims
- Amoxicillin-Clavulanate Potass46 claims
- Doxycycline Hyclate30 claims
- Cyclobenzaprine Hcl29 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Cayuga Medical Associates PCIthaca, NY
- Cma Medical Practice PLLCIthaca, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Thomas Williams among 14,451 physician assistant records in California
Matthew Thomas Williams, PA is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 62% of them.
- NPI issued2020 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2018 among the 7,214 with a school on file
- Record last updated2020 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
34 physician assistant records list a practice address in Hanford
They are 34 of the 1,362 NPPES records with a practice address in Hanford, and 14,451 physician assistant records in California.
All 14,451 in California → Every provider in Hanford → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Jacob AyuenHanford, CA 932301619370822
- Marci Camenisch, PACHanford, CA 932301164424594
- Michael Darius, PA-CHanford, CA 932301992761449
- Michael Ellison, PA-CHanford, CA 932301720382393
- Stephen HitchmanHanford, CA 932301669673661
- Tommy Martin, PACHanford, CA 932301982650198
- Rosalinda Melendez, PA-CHanford, CA 932301649204157
- David Oberst, P.A.Hanford, CA 932301982642351
Common questions
What is Matthew Thomas Williams, PA's NPI number?
Matthew Thomas Williams, PA's National Provider Identifier (NPI) is 1891392643, issued on Oct 5, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Thomas Williams, PA located?
The NPPES record lists a practice address at Adventist Health Hanford, Hanford, CA, 93230. Phone: (559) 582-9000. Providers update this record themselves, so call before visiting.
How can I verify Matthew Thomas Williams, PA's license?
NPPES lists California license number PA58583, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Thomas Williams, PA prescribe under Medicare Part D?
In 2024, Matthew Thomas Williams, PA had 838 Medicare Part D claims for 581 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.