Matthew Stilson Williams, MD - Medicare Hospitalist in St George, UT

Matthew Stilson Williams, MD is a medicare enrolled "Family Medicine" physician in St George, Utah. He graduated from medical school in 2011 and has 13 years of diverse experience with area of expertise as Hospitalist. He is a member of the group practice Intermountain Healthcare Services, Inc and his current practice location is 1380 E Medical Center Dr, St George, Utah. You can reach out to his office (for appointments etc.) via phone at (435) 251-2992.

Matthew Stilson Williams is licensed to practice in Utah (license number 10204313-1205) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1275889545.

Contact Information

Matthew Stilson Williams, MD
1380 E Medical Center Dr,
St George, UT 84790-2123
(435) 251-2992
Not Available

Map and Direction




Physician's Profile

Full NameMatthew Stilson Williams
GenderMale
SpecialityHospitalist
Experience13 Years
Location1380 E Medical Center Dr, St George, Utah
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Matthew Stilson Williams graduated from medical school in 2011
  NPI Data:
  • NPI Number: 1275889545
  • Provider Enumeration Date: 07/24/2012
  • Last Update Date: 02/06/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0941454060
  • Enrollment ID: I20170329001382

Medical Identifiers

Medical identifiers for Matthew Stilson Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1275889545NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
208M00000XHospitalist 10204313-1205 (Utah)Secondary
207Q00000XFamily Medicine 10204313-1205 (Utah)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Rocky Mountain HospiceMurray, UTHospice
Dixie Regional Medical CenterSt george, UTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Intermountain Healthcare Services, Inc18502094203228

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Matthew Stilson Williams allows following entities to bill medicare on his behalf.
Entity NameIhc Health Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1942325154
PECOS PAC ID: 1850209420
Enrollment ID: O20080610000303

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Matthew Stilson Williams is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Matthew Stilson Williams, MD
Po Box 27128,
Salt Lake City, UT 84127-0128

Ph: (435) 251-2992
Matthew Stilson Williams, MD
1380 E Medical Center Dr,
St George, UT 84790-2123

Ph: (435) 251-2992

Reviews and Comments


Family Medicine Doctors in St George, UT

Dr. Stephen E Clark, DO
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Phone: 435-688-6100    
Thomas Dee Callahan, M.D.
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Phone: 435-656-5323    Fax: 435-656-5127
Jason Wesley Cash, MD
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Practice Location: 1380 E Medical Center Dr, St George, UT 84790
Phone: 385-887-6277    
Chase Austin Grames, D.O.
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Practice Location: 652 S Medical Center Dr Ste 120, St George, UT 84790
Phone: 435-628-4460    
Dr. William Fay Esplin, D.O.
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Medicare: Accepting Medicare Assignments
Practice Location: 736 S 900 E, Suite 203, St George, UT 84790
Phone: 435-673-6131    Fax: 435-673-8557
Dr. Carl Don Haycock, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 144 W Brigham Rd Ste 19, St George, UT 84790
Phone: 435-656-8282    Fax: 435-656-8283
Dr. Neal Christian Busk, M.D.
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Medicare: Medicare Enrolled
Practice Location: St George Va Cboc, 230 North 1680 East, Building N, St George, UT 84790
Phone: 435-634-7608    Fax: 435-674-0092

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.