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Internal Medicine

Redemption G. Geronimo, MD

Works at hospitals in Pomona, CA · California

Summary

Redemption G. Geronimo, MD (Internal Medicine) is listed by Medicare at 1 hospital in Pomona, CA. NPI 1497723803. 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 Redemption G. Geronimo, 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
YesOffers telehealth
51Years since medical school (graduated 1975)
FemaleGender (as listed)
Chaparral Medical Group IncGroup practice

Quick answers

Which hospitals does Redemption G. Geronimo work at?
Medicare's official clinician data lists Redemption G. Geronimo at 1 hospital: Pomona Valley Hospital Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Redemption G. Geronimo see patients?
Medicare's clinician data lists 2 practice locations, including Claremont, CA and Pomona, CA. Call before your visit to confirm the address.
What is Redemption G. Geronimo's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Redemption G. Geronimo accept Medicare assignment?
Yes. Medicare's clinician data says Redemption G. Geronimo 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.
Does Redemption G. Geronimo offer telehealth?
Medicare's clinician data says Redemption G. Geronimo offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Redemption G. Geronimo?
(909) 624-4503, as listed in official Medicare / NPI Registry data.
What is Redemption G. Geronimo's NPI number?
1497723803. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Redemption G. Geronimo works

Medicare's Facility Affiliation Data lists Redemption G. Geronimo 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 Redemption G. Geronimo is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Chaparral Medical Group Inc65 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

All internal medicine doctors in California →

Clinician information

CredentialMD
Graduation year1975
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1497723803
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