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Family Practice

Shishin Miyagi, MD

Sees patients in Tamuning, GU · Guam

Summary

Dr. Shishin Miyagi, MD is a family doctor at 388 Ypao Rd, Tamuning, GU 96913. Phone: (671) 646-8881. Accepts Medicare assignment. In 2024, Shishin Miyagi had 614 Original Medicare patients and 6,257 services. NPI 1912226713. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 388 Ypao Rd, Tamuning, GU 96913 · Directions
  • Phone: (671) 646‑8881
  • Medicare: Accepts Medicare assignment
  • Group practice: General Conference Corp of Sda
  • Medical school: Loma Linda University School Of Medicine · graduated 2013 (13 years since medical school)
  • Gender (as listed): Male
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Shishin Miyagi, 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 Shishin Miyagi accept Medicare assignment?
Yes. Medicare's clinician data says Shishin Miyagi 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 Shishin Miyagi see?
In 2024, CMS data shows 614 Original Medicare patients and 6,257 services for Shishin Miyagi. This counts Original Medicare only and measures volume, not quality.
What is Shishin Miyagi's NPI number?
1912226713. 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 Shishin Miyagi, 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 patients614
Services billed to Medicare6,257
Different services or procedures123
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,010 services
  2. Insertion of needle into vein for collection of blood sample (36415)777 services
  3. Blood test, lipids (cholesterol and triglycerides) (80061)630 services
  4. Blood test, basic group of blood chemicals (calcium, total) (80048)529 services
  5. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)439 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%
  • Diabetes47%
  • Chronic kidney disease25%
  • Arthritis22%
  • Ischemic heart disease21%

Practice locations

Addresses where Shishin Miyagi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Shishin Miyagi as a member of this group (CMS data updated October 2, 2026).

  • General Conference Corp of Sda51 clinicians in the group

Specialties

Find other Family Practice doctors in Guam →

Other family doctors in Tamuning

Clinicians with the same Medicare primary specialty in Tamuning, GU — not a recommendation.

All family doctors in Tamuning →

Other clinicians in General Conference Corp of Sda

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

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2013 (13 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1912226713
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 October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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