Quick answers
- Which hospitals does Mazen Beydoun work at?
- Medicare's official clinician data lists Mazen Beydoun at 2 hospitals: Banner - University Medical Center Phoenix and Banner Desert Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mazen Beydoun see patients?
- Medicare's clinician data lists 2 practice locations, including Phoenix, AZ and Mesa, AZ. Call before your visit to confirm the address.
- What is Mazen Beydoun's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Hospitalist.
- Does Mazen Beydoun accept Medicare assignment?
- Yes. Medicare's clinician data says Mazen Beydoun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Mazen Beydoun?
- (602) 839-2000, as listed in official Medicare / NPI Registry data.
- What is Mazen Beydoun's NPI number?
- 1972009686. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mazen Beydoun works
Medicare's Facility Affiliation Data lists Mazen Beydoun at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Banner - University Medical Center PhoenixPhoenix, AZ · Acute Care Hospital · CCN 030002
- Banner Desert Medical CenterMesa, AZ · Acute Care Hospital · CCN 030065
Practice locations
Addresses where Mazen Beydoun is enrolled with Medicare (CMS data updated 2026-10-02).
- 1111 E McDowell RdPhoenix, AZ 85006 (602) 839‑2000
- 6644 E Baywood AveMesa, AZ 85206 (480) 321‑2000
Group practices
Medicare enrollment lists Mazen Beydoun as a member of these groups (CMS data updated 2026-10-02).
- Banner Hospital Based Physicians Arizona LLC637 clinicians in the group
- Banner - University Hospital Based Physicians LLC339 clinicians in the group
Specialties
- Internal Medicineprimary
- Hospitalistalso
Other internal medicine doctors in Phoenix
Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972009686 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians