Quick answers
- Which hospitals does Robert Mercer work at?
- Medicare's official clinician data lists Robert Mercer at 2 hospitals: Valleywise Health Medical Center and Yuma Regional Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Mercer see patients?
- Medicare's clinician data lists 7 practice locations, including Yuma, AZ, Phoenix, AZ and Santa Fe, NM. Call before your visit to confirm the address.
- What is Robert Mercer's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Robert Mercer accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Mercer 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 Robert Mercer?
- (928) 344-2000, as listed in official Medicare / NPI Registry data.
- What is Robert Mercer's NPI number?
- 1285193375. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Mercer works
Medicare's Facility Affiliation Data lists Robert Mercer at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Valleywise Health Medical CenterPhoenix, AZ · Acute Care Hospital · CCN 030022
- Yuma Regional Medical CenterYuma, AZ · Acute Care Hospital · CCN 030013
Practice locations
Addresses where Robert Mercer is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 2400 S Ave AYuma, AZ 85364 (928) 344‑2000
- 2601 E Roosevelt StPhoenix, AZ 85008 (602) 344‑5011
- 2968 Rodeo Park Dr W, 150 CHRISTUS St VincentSanta Fe, NM 87505 (505) 982‑5014
- 433 Saint Michaels DrSanta Fe, NM 87505 (505) 988‑1232
- 445 Saint Michaels DrSanta Fe, NM 87505 (505) 913‑8900
Group practices
Medicare enrollment lists Robert Mercer as a member of these groups (CMS data updated 2026-10-02).
- District Medical Group Inc458 clinicians in the group
- Yuma Regional Medical Center361 clinicians in the group
- St Vincent Hospital310 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Yuma
Clinicians with the same Medicare primary specialty in Yuma, AZ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1285193375 |
| 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