Doctor profile · Federal record

Dr. Matthew Williams, MD

Family Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · St George, UT

  • NPI 1275889545
  • Accepts Medicare
  • 15 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1380 E Medical Center Dr
St George, UT 847902123
(435) 251-2992
Mailing address
Po Box 27128
Salt Lake City, UT 841270128

Credentials & registration

NPPES · NUCC
NPI registered
July 2012 — 14 yrs on file
Profile last updated
February 6, 2024
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Utah #10204313-1205

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1275889545. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
3
Medicare allowed
$23,311
HCPCS Description Services Patients Avg allowed
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 127 123 $125
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 37 37 $167
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 17 17 $76

In context: peer comparison

Among 23 peers in St George Family Medicine Physician, average services per provider: 115. This provider delivers 1.6× the peer median.

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 Family Medicine Physician in St George, UT.
Where does Dr. Matthew Williams practice?
Dr. Matthew Williams practices at 1380 E Medical Center Dr, St George, UT 847902123. Office phone: 4352512992.
What is Dr. Matthew Williams's NPI?
Dr. Matthew Williams's National Provider Identifier (NPI) is 1275889545, 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: Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.