Mazen Sires, MD
Hospitalist Physician · Provo, UT
Mazen Sires, MD is a hospitalist physician with a practice address in Provo, Utah, and NPI 1154370765, issued on May 9, 2006. Check the license (Utah 6049611-1205, as entered in NPPES) on the Utah Medical Licensing Board; the Medicare figures below come from public CMS files.
- Name
- Mazen Sires
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 6049611-1205 UT
60496111205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 1034 N 500 W, Provo, UT 84604
- Phone
- (801) 357-8310
- Enumerated
- May 9, 2006
- Record last updated
- Apr 19, 2023
- Medicare enrollment
- Enrolled (PECOS I20060706000233); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 285 in Utah → Look up another NPI →
Also registered at 1034 N 500 W
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Spencer Allen, LCSWClinical Social Worker1245359249
- C. Anderson, M.D.Psychiatry Physician1356328272
- Joni Anderson, RNRegistered Nurse1922103548
Verify Mazen Sires in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersUtah Medical Licensing Board
Search for license 6049611-1205Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
38% fewer Medicare Part D claims than the average hospitalist physician in 2024
323 Medicare Part D claims for 170 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 24 claims were for opioids.
Most prescribed
- Ondansetron Hcl28 claims
- Pantoprazole Sodium19 claims
- Clopidogrel18 claims
- Amoxicillin-Clavulanate Potass17 claims
- Levofloxacin15 claims
- Oxycodone Hcl14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Ihc Health Services IncAmerican Fork, UT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mazen Sires among 285 hospitalist physician records in Utah
Mazen Sires, MD is one of 285 hospitalist physician records with a practice address in Utah. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 77% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated1997 · median 2012 among the 225 with a school on file
- Record last updated2023 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Hospitalist Physician providers in Utah
There are 285 hospitalist physician records in Utah.
All 285 in Utah → Every provider in Provo → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Mahmoud Al-Dandashi, M.D.Provo, UT 846041780832915
- Shikha Bhan, M.D.Provo, UT 846041356667273
- McKellan BinkleyProvo, UT 846041750701561
- Russell Bradford, M.D.Provo, UT 846041316093446
- Taylor Christensen, M.D.Provo, UT 846041447604038
- Kyle Clarke, M.D.Provo, UT 846041811254253
- Miles Hawley, M.D.Provo, UT 846041881810299
- Mohammed Majeed, MDProvo, UT 846041598854671
Common questions
What is Mazen Sires, MD's NPI number?
Mazen Sires, MD's National Provider Identifier (NPI) is 1154370765, issued on May 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mazen Sires, MD located?
The NPPES record lists a practice address at 1034 N 500 W, Provo, UT, 84604. Phone: (801) 357-8310. Providers update this record themselves, so call before visiting.
How can I verify Mazen Sires, MD's license?
NPPES lists Utah license number 6049611-1205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mazen Sires, MD prescribe under Medicare Part D?
In 2024, Mazen Sires, MD had 323 Medicare Part D claims for 170 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.