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Family Practice

Spencer J. Chun, MD

Works at hospitals in Honolulu, HI · Hawaii

Summary

Dr. Spencer J. Chun, MD is a family doctor at 55 Maui Lani Pkwy, Wailuku, HI 96793. Phone: (808) 243-6050. Accepts Medicare assignment. In 2024, Spencer J. Chun had 42 Original Medicare patients and 107 services. NPI 1205026556. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 55 Maui Lani Pkwy, Wailuku, HI 96793 · Directions
  • Phone: (808) 243‑6050
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital
  • Group practice: Hawaii Permanente Medical Group Inc
  • Medical school: University Of Hawaii John A. Burns School Of Medicine · graduated 2007 (19 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Spencer J. Chun, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Spencer J. Chun accept Medicare assignment?
Yes. Medicare's clinician data says Spencer J. Chun accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Spencer J. Chun see?
In 2024, CMS data shows 42 Original Medicare patients and 107 services for Spencer J. Chun. This counts Original Medicare only and measures volume, not quality.
What is Spencer J. Chun's NPI number?
1205026556. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Spencer J. Chun, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients42
Services billed to Medicare107
Different services or procedures13
Participating Medicare providerYes
Average age of these patients63

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)26 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)14 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure60%
  • High cholesterol48%
  • Diabetes43%
  • Chronic kidney disease36%

Hospitals where Spencer J. Chun works

Medicare's Facility Affiliation Data lists Spencer J. Chun at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Spencer J. Chun is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Spencer J. Chun as a member of this group (CMS data updated October 2, 2026).

  • Hawaii Permanente Medical Group Inc704 clinicians in the group

Specialties

Find other Family Practice doctors in Hawaii →

Other family doctors in Wailuku

Clinicians with the same Medicare primary specialty in Wailuku, HI — not a recommendation.

All family doctors in Wailuku →

Other clinicians in Hawaii Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year2007 (19 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1205026556
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians