Matthew Stilson Williams, MD
Family Medicine Physician · St George, UT
Matthew Stilson Williams, MD is a family medicine physician with a practice address in St George, Utah, and NPI 1275889545, issued on Jul 24, 2012. Check the license (Utah 10204313-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Matthew Stilson Williams
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 10204313-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1380 E Medical Center Dr, St George, UT 84790
- Phone
- (435) 251-2992
- Enumerated
- Jul 24, 2012
- Record last updated
- Feb 6, 2024
- Medicare enrollment
- Enrolled (PECOS I20170329001382); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,411 in Utah → Look up another NPI →
Also registered at 1380 E Medical Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Matthew Stilson Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 10204313-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
16 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
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 one group practice
- Ihc Health Services IncSt George, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Matthew Stilson Williams among 1,411 family medicine physician records in Utah
Matthew Stilson Williams, MD is one of 1,411 family medicine physician records with a practice address in Utah. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 65% of them.
- NPI issued2012 · 65% of these records are older, 32% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2011 · median 2008 among the 942 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
62 family medicine physician records list a practice address in St George
They are 62 of the 3,879 NPPES records with a practice address in St George, and 1,411 family medicine physician records in Utah.
All 1,411 in Utah → Every provider in St George → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lawrence Cain, MDSt George, UT 847901972521201
- Curtis Carter, MDSt George, UT 847901245225325
- Boyd Carter, MDSt George, UT 847901386667202
- Stephen Clark, DOSt George, UT 847901043238363
- Dagmar Crosby, MDSaint George, UT 847901154303352
- Daniel Davie, MDSt George, UT 847901356376677
- Paul Dunn, MDSt George, UT 847901932112042
- Clayton Fuller, MDSt George, UT 847901801840962
Common questions
What is Matthew Stilson Williams, MD's NPI number?
Matthew Stilson Williams, MD's National Provider Identifier (NPI) is 1275889545, issued on Jul 24, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Stilson Williams, MD located?
The NPPES record lists a practice address at 1380 E Medical Center Dr, St George, UT, 84790. Phone: (435) 251-2992. Providers update this record themselves, so call before visiting.
How can I verify Matthew Stilson Williams, MD's license?
NPPES lists Utah license number 10204313-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Matthew Stilson Williams, MD prescribe under Medicare Part D?
In 2024, Matthew Stilson Williams, MD had 16 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.