Quick answers
- Where does Mark Zeitzer see patients?
- Medicare's clinician data lists 2 practice locations, including Tempe, AZ and Glendale, AZ. Call before your visit to confirm the address.
- What is Mark Zeitzer's specialty?
- Medicare lists Emergency Medicine as the primary specialty.
- Does Mark Zeitzer accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Zeitzer 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 Mark Zeitzer?
- (480) 924-8382, as listed in official Medicare / NPI Registry data.
- What is Mark Zeitzer's NPI number?
- 1437174307. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Mark Zeitzer is enrolled with Medicare (CMS data updated 2026-10-02).
- 914 N Scottsdale Rd, Suite 104Tempe, AZ 85288 (480) 924‑8382
- 9494 W Northern Ave, Suite 101Glendale, AZ 85305 (623) 872‑2226
Group practices
Medicare enrollment lists Mark Zeitzer as a member of this group (CMS data updated 2026-10-02).
- Nextcare Arizona I JV LLC287 clinicians in the group
Specialties
- Emergency Medicineprimary
Other emergency medicine doctors in Tempe
Clinicians with the same Medicare primary specialty in Tempe, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2002 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1437174307 |
| 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
- 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