Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MATTHEW S WILLIAMS MD
NPI 1275889545
Hospitalist in St George, UT

Q: What is Matthew Williams's NPI number?

The NPI number for Matthew Williams is 1275889545. It was assigned to this individual provider in the NPPES registry on July 24, 2012.

Q: What is Matthew Williams's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Matthew Williams was last updated on August 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 24, 2012PECOS Enrolled

1380 E MEDICAL CENTER DR, ST GEORGE, UT 84790(435) 251-2992 Get Directions Write a Review

NPPES record last updated: August 25, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 25, 2026, Feb 6, 2024, Jul 21, 2022 and 1 more (4 updates tracked since 2017).

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About Matthew S Williams Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MATTHEW S WILLIAMS MD (NPI 1275889545) is an individual hospitalist provider in St George, Utah, licensed in Utah (10204313-1205) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Cedar City Hospital, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1275889545

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameMATTHEW S WILLIAMSCredential: MD

Location Address1380 E MEDICAL CENTER DRSt George, UT 84790-2122

Mailing AddressPo Box 27128Salt Lake City, UT 84127-0128 · (435) 251-2992

Phone(435) 251-2992

Sole ProprietorNo

Medical School CMSOtherGraduated 2011

Enumeration DateJuly 24, 2012

Last NPPES UpdateAugust 25, 20264 updates tracked since enumeration

NPPES CertifiedAugust 25, 2026

✔ NPI 1275889545 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in UT · 10204313-1205

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 10204313-1205 (UT)

1380 E MEDICAL CENTER DR, St George, UT 84790

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Select Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Matthew S Williams Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID941454060

PECOS Enrollment IDI20170329001382

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

140 services136 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

11 services11 patients

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Cedar City Hospital

Acute Care Hospitals · Cedar City, UT

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number460007

Location1303 North Main StreetCedar City, UT 84721 · Iron County

Emergency services Birthing friendly

St. George Regional Hospital

Acute Care Hospitals · St George, UT

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number460021

Location1380 East Medical Center DriveSt George, UT 84790 · Washington County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 84790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$125.70 typical visit price

range $54.34 – $166.03

Typical copayment $31.42 (range $13.58 – $41.50)

Most-billed visit code 99204

Established Patient

$96.35 typical visit price

range $17.23 – $135.20

Typical copayment $24.08 (range $4.30 – $33.80)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

1 supplier14 claims14 services$72.81 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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