Dr. Mazen Sires, MD
- Medicare services, 2024
- 661
- Medicare patients, 2024
- 273
- Part D claims, 2024
- 323
- Publications
- 1
- Hospital affiliations
- 3
- Practice address
- 1034 North 500 West, Provo, UT 84604
- Practice phone
- Call (801) 373-7850
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Sires' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Mazen Sires is a hospitalist in Provo, Utah
Dr. Sires practices at Utah Valley Hospital in Provo, Utah, part of Intermountain Health.
Dr. Sires' NPI, 1154370765, was assigned on May 9, 2006. Dr. Sires holds Utah license 6049611-1205.
- NPI
- 1154370765NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2769494970
- NPI enumeration date
- May 9, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (801) 373-7850
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mazen Sires practices at Utah Valley Hospital in Provo, Utah
Dr. Sires' primary practice is Utah Valley Hospital, at 1034 North 500 West, Provo, UT 84604 in Utah County. The practice phone is (801) 373-7850.
- Utah Valley Hospital1034 North 500 West, Provo, UT 84604 · Utah CountyPhone(801) 373-7850
Source: Dmand AI Affiliation Data
Dr. Mazen Sires is affiliated with 3 sites of care and 1 medical group
Dr. Sires' primary practice is Utah Valley Hospital in Provo, Utah, part of Intermountain Health. Dr. Sires is also affiliated with Castleview Hospital. The medical group on file is Intermountain Health. Dmand AI also links Dr. Sires to 1 more hospital, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mazen Sires' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sires practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Utah Valley Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mazen Sires is one of 231 hospitalists in Utah
Hospitalist is Dr. Sires' primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Sires is board certified in internal medicine by the American Board of Internal Medicine. Dr. Sires is licensed in Utah.
Specialties and state licenses
- Hospitalist, UtahPrimary
Hospitalists near Dr. Sires
Counts of hospitalists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Mazen Sires billed Medicare for 661 services in 2024
CMS data shows 661 Medicare services from Dr. Sires across 4 procedure codes in 2024, for 273 Medicare patients. Medicare paid $42,226 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sires' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5942024: 66111%
Dr. Sires compared with the Utah median for hospitalists, 2024
- Dr. Sires
- Utah median
- Medicare services
- 661vs 2572.6 times
- Medicare patients
- 273vs 1242.2 times
- Part D claims
- 123vs 383.2 times
Medians across 206 hospitalists in Utah with Dmand AI profiles that report each measure.
Dr. Sires' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Sires and other hospitalists in Utah.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Mazen Sires treated 273 Medicare patients in 2024, average age 75
CMS counts 273 Medicare patients who saw Dr. Sires in 2024. The largest group is 75 to 84, with 99 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 18% are also on Medicaid. Their average risk score is 2.32, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Sires' median patient age at 72, with 50% women.
Dr. Sires' Medicare patients by age, 2024
Dr. Sires' Medicare patients by sex, 2024
- Women13148%
- Men14252%
Chronic conditions among Dr. Sires' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Diabetes52%
- Chronic kidney disease49%
- Mood disorders46%
- Ischemic heart disease44%
- Depression43%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sires' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women50%
- Men49%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mazen Sires wrote 323 Medicare Part D claims in 2024
In 2024, Dr. Sires wrote 323 Medicare Part D claims for 170 patients. 90% of them were for generic drugs. CMS names the drug for 123 of them, across 7 drugs with 11 or more claims each, at $875 in total drug cost. In 2023, CMS named 4,176 claims across 90 drugs.
Dr. Sires' Part D claims by kind of drug, 2024
- Generic290 claims90%
- Brand-name33 claims10%
Dr. Sires' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Sires' Part D claims, 2024
- Opioids7%24 of 323 claims
- Antibiotics26%84 of 323 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4,1762024: 12397%
Drugs named by CMS: 7 in 2024, 90 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Mazen Sires takes part in Medicare
Dr. Sires accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Mazen Sires has 1 publication on record
Dmand AI links 1 paper to Dr. Sires. Dr. Sires' most frequent co-author is Krishna Murthy Sundar, MD.
Dr. Sires' most frequent co-authors
Recent publications by Dr. Sires
See who Dr. Sires researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sires works with, so you can find a warm path to the right hospitalists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Mazen Sires is board certified in internal medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Mazen Sires's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Mazen Sires
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Mazen Sires' NPI number?
Dr. Mazen Sires' NPI number is 1154370765. It was assigned on May 9, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Mazen Sires?
Dr. Mazen Sires is a hospitalist in Provo, Utah. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Mazen Sires practice?
Dr. Sires practices at 1034 North 500 West, Provo, UT 84604. Dr. Sires' primary practice is Utah Valley Hospital in Provo, Utah, part of Intermountain Health. Dmand AI also links Dr. Sires to 1 hospital.
What is Dr. Mazen Sires' office phone number?
The practice phone on file for Dr. Sires is (801) 373-7850.
What is Dr. Mazen Sires' medical license number?
Dr. Sires holds Utah license 6049611-1205.
Which hospitals is Dr. Mazen Sires affiliated with?
Dr. Sires practices at Utah Valley Hospital in Provo, Utah. Dr. Sires is also affiliated with Castleview Hospital. Dmand AI links Dr. Sires to 1 more hospital.
What medical group is Dr. Mazen Sires part of?
Dr. Sires is linked to Intermountain Health.
Does Dr. Mazen Sires accept Medicare?
Yes. CMS data shows Dr. Sires billed Medicare for 661 services in 2024, and Dr. Sires accepts Medicare assignment.
How many Medicare patients does Dr. Mazen Sires see?
CMS counts 273 Medicare patients who saw Dr. Sires in 2024, with an average age of 75.
Is Dr. Mazen Sires board certified?
Yes. Dr. Sires is board certified in internal medicine by the American Board of Internal Medicine.
Show 5 more questionsShow fewer questions
What services does Dr. Mazen Sires bill to Medicare?
In 2024, Dr. Sires' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99239) and hospital inpatient care (99231).
What drugs does Dr. Mazen Sires prescribe most?
In 2024 Medicare Part D data, Dr. Sires' most prescribed drugs by claims were Ondansetron HCl, Pantoprazole Sodium and Clopidogrel.
How long has Dr. Mazen Sires been practicing?
Dr. Sires graduated from medical school in 1997, 29 years ago.
Does Dr. Mazen Sires do research?
Dmand AI links 1 publication to Dr. Sires.
Who does Dr. Mazen Sires publish with?
Dr. Sires' most frequent co-authors are Krishna Murthy Sundar, MD (1 shared paper).
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