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Hematology

C Galen Choy, MD

Works at hospitals in Honolulu, HI · Aiea, HI · Hawaii

Summary

C Galen Choy, MD (Hematology) is listed by Medicare at 4 hospitals in Honolulu, HI and Aiea, HI. NPI 1790799393. 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 C Galen Choy, 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

HematologyPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
40Years since medical school (graduated 1986)
Saint Louis University School Of MedicineMedical school
MaleGender (as listed)
Straub Clinic and HospitalGroup practice (+1 more)

Quick answers

Which hospitals does C Galen Choy work at?
Medicare's official clinician data lists C Galen Choy at 4 hospitals: Kapiolani Medical Center for Women & Children, Pali Momi Medical Center, Straub Clinic and Hospital and The Queens Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does C Galen Choy see patients?
Medicare's clinician data lists 5 practice locations, including Honolulu, HI and Aiea, HI. Call before your visit to confirm the address.
What is C Galen Choy's specialty?
Medicare lists Hematology as the primary specialty.
Does C Galen Choy accept Medicare assignment?
Yes. Medicare's clinician data says C Galen Choy 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 C Galen Choy offer telehealth?
Medicare's clinician data says C Galen Choy offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for C Galen Choy?
(808) 522-4000, as listed in official Medicare / NPI Registry data.
What is C Galen Choy's NPI number?
1790799393. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where C Galen Choy works

Medicare's Facility Affiliation Data lists C Galen Choy 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 C Galen Choy is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists C Galen Choy as a member of these groups (CMS data updated 2026-10-02).

  • Straub Clinic and Hospital419 clinicians in the group
  • Pali Momi Medical Center90 clinicians in the group

Specialties

Find other Hematology doctors in Hawaii →

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year1986
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1790799393
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