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Gastroenterology

Clyde T. Miyaki, MD

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

Summary

Dr. Clyde T. Miyaki, MD is a gastroenterologist at 1029 Kapahulu Ave, Suite 301, Honolulu, HI 96816. Phone: (808) 729-9090. Accepts Medicare assignment. In 2024, Clyde T. Miyaki had 114 Original Medicare patients and 245 services. NPI 1457392029. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Clyde T. Miyaki, 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 Clyde T. Miyaki accept Medicare assignment?
Yes. Medicare's clinician data says Clyde T. Miyaki 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 Clyde T. Miyaki see?
In 2024, CMS data shows 114 Original Medicare patients and 245 services for Clyde T. Miyaki. This counts Original Medicare only and measures volume, not quality.
What is Clyde T. Miyaki's NPI number?
1457392029. 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 Clyde T. Miyaki, 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 patients114
Services billed to Medicare245
Different services or procedures15
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)48 services
  2. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)35 services
  3. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)34 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)31 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)21 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 pressure75%
  • High cholesterol75%
  • Diabetes55%
  • Chronic kidney disease39%
  • Osteoporosis26%
  • Arthritis25%

Hospitals where Clyde T. Miyaki works

Medicare's Facility Affiliation Data lists Clyde T. Miyaki 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.

  • Adventist Health CastleKailua, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120006
  • Kuakini Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 120007
  • The Queens Medical CenterHonolulu, HI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 120001

Practice locations

Addresses where Clyde T. Miyaki is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Gastroenterology doctors in Hawaii →

Other gastroenterologists in Honolulu

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

All gastroenterologists in Honolulu →

Clinician information

CredentialMD
Medical schoolUniversity Of Hawaii John A. Burns School Of Medicine
Graduation year1978 (48 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457392029
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