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Internal Medicine

Catherine Hong, DO

Sees patients in Mesa, AZ · Arizona

Summary

Catherine Hong, DO (Internal Medicine) is enrolled with Medicare at 1 practice location in Mesa, AZ. NPI 1215679261. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Catherine Hong, 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
4Years since medical school (graduated 2022)
FemaleGender (as listed)
Banner Hospital Based Physicians Arizona LLCGroup practice

Quick answers

Where does Catherine Hong see patients?
Medicare's clinician data lists 1 practice location in Mesa, AZ. Call before your visit to confirm the address.
What is Catherine Hong's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Hospice/Palliative Care.
Does Catherine Hong accept Medicare assignment?
Yes. Medicare's clinician data says Catherine Hong 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 Catherine Hong?
(480) 412-3000, as listed in official Medicare / NPI Registry data.
What is Catherine Hong's NPI number?
1215679261. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Catherine Hong is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Catherine Hong as a member of this group (CMS data updated 2026-10-02).

  • Banner Hospital Based Physicians Arizona LLC637 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Mesa

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

All internal medicine doctors in Mesa →

Clinician information

CredentialDO
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1215679261
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians