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Internal Medicine

Geronimo Ramirez Jr., MD

Works at hospitals in Tucson, AZ · Arizona

Summary

Geronimo Ramirez Jr., MD (Internal Medicine) is listed by Medicare at 2 hospitals in Tucson, AZ. NPI 1407947054. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Geronimo Ramirez Jr., joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
40Years since medical school (graduated 1986)
University Of Arizona College Of MedicineMedical school
MaleGender (as listed)
Tucson Physician Group Holdings LLCGroup practice

Quick answers

Which hospitals does Geronimo Ramirez Jr. work at?
Medicare's official clinician data lists Geronimo Ramirez Jr. at 2 hospitals: St. Mary's Hospital and Tucson Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Geronimo Ramirez Jr. see patients?
Medicare's clinician data lists 1 practice location in Tucson, AZ. Call before your visit to confirm the address.
What is Geronimo Ramirez Jr.'s specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Geronimo Ramirez Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Geronimo Ramirez Jr. 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 Geronimo Ramirez Jr.?
(520) 872-3000, as listed in official Medicare / NPI Registry data.
What is Geronimo Ramirez Jr.'s NPI number?
1407947054. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Geronimo Ramirez Jr. works

Medicare's Facility Affiliation Data lists Geronimo Ramirez Jr. at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Geronimo Ramirez Jr. is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Geronimo Ramirez Jr. as a member of this group (CMS data updated 2026-10-02).

  • Tucson Physician Group Holdings LLC201 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Tucson

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

All internal medicine doctors in Tucson →

Clinician information

CredentialMD
Medical schoolUniversity Of Arizona College Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407947054
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians