Mazen Sires, MD - Medicare Internal Medicine in Provo, UT

Mazen Sires, MD is a medicare enrolled "Hospitalist" physician in Provo, Utah. He graduated from medical school in 1997 and has 27 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Intermountain Healthcare Services, Inc and his current practice location is 1034 N 500 W, Provo, Utah. You can reach out to his office (for appointments etc.) via phone at (801) 357-8310.

Mazen Sires is licensed to practice in Utah (license number 6049611-1205) 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 1154370765.

Contact Information

Mazen Sires, MD
1034 N 500 W,
Provo, UT 84604-3380
(801) 357-8310
Not Available

Map and Direction




Physician's Profile

Full NameMazen Sires
GenderMale
SpecialityInternal Medicine
Experience27 Years
Location1034 N 500 W, Provo, 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:
  • Mazen Sires graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1154370765
  • Provider Enumeration Date: 05/09/2006
  • Last Update Date: 04/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 2769494970
  • Enrollment ID: I20060706000233

Medical Identifiers

Medical identifiers for Mazen Sires such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1154370765NPI-NPPES
P00317619OtherUTPALMETTO
000059004OtherUTMEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 60496111205 (Utah)Secondary
208M00000XHospitalist 6049611-1205 (Utah)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Utah Valley HospitalProvo, UTHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Intermountain Healthcare Services, Inc18502094203063

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. Mazen Sires 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. Mazen Sires 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
Mazen Sires, MD
Po Box 27128,
Salt Lake City, UT 84127-0128

Ph: () -
Mazen Sires, MD
1034 N 500 W,
Provo, UT 84604-3380

Ph: (801) 357-8310

Reviews and Comments


Hospitalist Doctors in Provo, UT

Dr. Rex F Ripplinger, MD
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Practice Location: 1055 N 500 W, Provo, UT 84604
Phone: 801-429-8000    
Scott Terry Maughan, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1034 N 500 W, Provo, UT 84604
Phone: 801-357-8310    Fax: 314-577-8100
Trevor Kent Smith, DO
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Practice Location: 1034 N 500 W, Provo, UT 84604
Phone: 801-357-7291    
Dr. Matthew Paul Steinfeldt, M.D.
Hospitalist
Medicare: Medicare Enrolled
Practice Location: 1034 N 500 W, Provo, UT 84604
Phone: 801-357-8411    
Raga S Guthula, MD
Hospitalist
Medicare: Accepting Medicare Assignments
Practice Location: 1034 N 500 W, Provo, UT 84604
Phone: 801-357-8310    Fax: 801-357-3854

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.