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Internal Medicine

Ivan P. Martinez, MD

Works at hospitals in Orange, CA · California

Summary

Ivan P. Martinez, MD (Internal Medicine) is listed by Medicare at 1 hospital in Orange, CA. NPI 1023014800. 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 Ivan P. Martinez, 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
56Years since medical school (graduated 1970)
MaleGender (as listed)
Ivan P. Martinez, M.D. Inc.Group practice

Quick answers

Which hospitals does Ivan P. Martinez work at?
Medicare's official clinician data lists Ivan P. Martinez at 1 hospital: Providence St. Joseph Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Ivan P. Martinez see patients?
Medicare's clinician data lists 1 practice location in Anaheim, CA. Call before your visit to confirm the address.
What is Ivan P. Martinez's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Ivan P. Martinez accept Medicare assignment?
Yes. Medicare's clinician data says Ivan P. Martinez 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 Ivan P. Martinez?
(714) 974-1717, as listed in official Medicare / NPI Registry data.
What is Ivan P. Martinez's NPI number?
1023014800. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Ivan P. Martinez works

Medicare's Facility Affiliation Data lists Ivan P. Martinez 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 Ivan P. Martinez is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Ivan P. Martinez as a member of this group (CMS data updated 2026-10-02).

  • Ivan P. Martinez, M.D. Inc.2 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Anaheim

Clinicians with the same Medicare primary specialty in Anaheim, CA — not a recommendation.

All internal medicine doctors in Anaheim →

Clinician information

CredentialMD
Graduation year1970
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1023014800
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