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Internal Medicine

Ralph P. Mendez, MD

Works at hospitals in Phoenix, AZ · Arizona

Summary

Dr. Ralph P. Mendez, MD is an internal medicine doctor at 1111 E McDowell Rd, Phoenix, AZ 85006. Phone: (602) 839-2000. Accepts Medicare assignment. NPI 1134861479. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1111 E McDowell Rd, Phoenix, AZ 85006 · Directions (1 more location)
  • Phone: (602) 839‑2000
  • Medicare: Accepts Medicare assignment
  • Hospital: Banner - University Medical Center Phoenix
  • Group practice: Banner - University Hospital Based Physicians LLC (+1 more)
  • Medical school: Creighton University School Of Medicine · graduated 2022 (4 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Ralph P. Mendez, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Ralph P. Mendez accept Medicare assignment?
Yes. Medicare's clinician data says Ralph P. Mendez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Ralph P. Mendez's NPI number?
1134861479. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ralph P. Mendez works

Medicare's Facility Affiliation Data lists Ralph P. Mendez at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Ralph P. Mendez is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ralph P. Mendez as a member of these groups (CMS data updated October 2, 2026).

  • Banner - University Hospital Based Physicians LLC339 clinicians in the group
  • Banner - University Primary Care Physicians LLC45 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

All internal medicine doctors in Phoenix →

Other clinicians in Banner - University Hospital Based Physicians LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolCreighton University School Of Medicine
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1134861479
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians