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Orthopedic Surgery

Akira Yamamoto, MD

Works at hospitals in Mountain View, CA · Burlingame, CA · California

Summary

Dr. Akira Yamamoto, MD is an orthopedic surgeon at 100 S San Mateo Dr, San Mateo, CA 94401. Phone: (650) 696-5400. Accepts Medicare assignment. In 2024, Akira Yamamoto had 589 Original Medicare patients and 3,821 services. NPI 1457675209. 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: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 100 S San Mateo Dr, San Mateo, CA 94401 · Directions (7 more locations)
  • Phone: (650) 696‑5400
  • Medicare: Accepts Medicare assignment
  • Hospitals: El Camino Health, Peninsula Medical Center
  • Group practice: Sutter Bay Medical Foundation
  • Medical school: University Of California, San Francisco School Of Medicine · graduated 2006 (20 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 Akira Yamamoto, 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 Akira Yamamoto accept Medicare assignment?
Yes. Medicare's clinician data says Akira Yamamoto 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 Akira Yamamoto see?
In 2024, CMS data shows 589 Original Medicare patients and 3,821 services for Akira Yamamoto. This counts Original Medicare only and measures volume, not quality.
What is Akira Yamamoto's NPI number?
1457675209. 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 Akira Yamamoto, 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 patients589
Services billed to Medicare3,821
Different services or procedures47
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Hyaluronan or derivative, synvisc or synvisc-one, for intra-articular injection, 1 mg (J7325)2,244 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)601 services
  3. Injection, triamcinolone acetonide, not otherwise specified, 10 mg (J3301)316 services
  4. Aspiration and/or injection of fluid from large joint (20610)118 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)106 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 cholesterol75%
  • Arthritis75%
  • High blood pressure63%
  • Osteoporosis26%
  • Diabetes21%
  • Ischemic heart disease20%

Hospitals where Akira Yamamoto works

Medicare's Facility Affiliation Data lists Akira Yamamoto 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.

  • El Camino HealthMountain View, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050308
  • Peninsula Medical CenterBurlingame, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050007

Practice locations

Addresses where Akira Yamamoto is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.

Group practices

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

  • Sutter Bay Medical Foundation3,829 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in California →

Other orthopedic surgeons in San Mateo

Clinicians with the same Medicare primary specialty in San Mateo, CA — not a recommendation.

All orthopedic surgeons in San Mateo →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Francisco School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1457675209
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