Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Matthew Stilson Williams, MD

Individual provider Hospitalist Physician · NPI 1275889545

Matthew Stilson Williams, MD is a Hospitalist in St George, Utah. Qualified in 2011, 15 years ago. Practices with Ihc Health Services Inc, a 3,947-clinician group and accepts Medicare assignment. Licensed in Utah.

Years since qualifying
15
Licensed in
UT
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1380 E Medical Center Dr
St George, UT 84790-2123
Phone: (435) 251-2992
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 10204313-1205 (UT)
Hospitalist Physician Taxonomy 208M00000X · Licence 10204313-1205 (UT)

Record details

NPI number1275889545
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 24, 2012
Last updated in NPPESFebruary 6, 2024
Certification dateFebruary 6, 2024
Mailing addressPo Box 27128, Salt Lake City, UT 84127-0128

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHOSPITALIST
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Ihc Health Services Inc — 3947 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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