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Anesthesiology

Pedro P. Tanaka, MD

Works at hospitals in Stanford, CA · California

Summary

Dr. Pedro P. Tanaka, MD is an anesthesiologist at 300 Pasteur Dr, Stanford, CA 94305. Phone: (650) 723-4000. Accepts Medicare assignment. In 2024, Pedro P. Tanaka had 72 Original Medicare patients and 84 services. NPI 1437294477. 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: Anesthesiologist (Medicare lists Anesthesiology)
  • Address: 300 Pasteur Dr, Stanford, CA 94305 · Directions
  • Phone: (650) 723‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Stanford Health Care
  • Group practice: Stanford Health Care
  • Medical school: graduated 1988 (38 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Pedro P. Tanaka, 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 Pedro P. Tanaka accept Medicare assignment?
Yes. Medicare's clinician data says Pedro P. Tanaka 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 Pedro P. Tanaka see?
In 2024, CMS data shows 72 Original Medicare patients and 84 services for Pedro P. Tanaka. This counts Original Medicare only and measures volume, not quality.
What is Pedro P. Tanaka's NPI number?
1437294477. 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 Pedro P. Tanaka, 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 patients72
Services billed to Medicare84
Different services or procedures39
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Insertion of artery tube for blood sampling or infusion through skin (36620)11 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 cholesterol65%
  • Arthritis51%
  • Ischemic heart disease35%
  • Chronic kidney disease35%
  • Anxiety31%

Hospitals where Pedro P. Tanaka works

Medicare's Facility Affiliation Data lists Pedro P. Tanaka 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.

  • Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Pedro P. Tanaka is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Pedro P. Tanaka as a member of this group (CMS data updated October 2, 2026).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Anesthesiology doctors in California →

Other anesthesiologists in Stanford

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

All anesthesiologists in Stanford →

Other clinicians in Stanford Health Care

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

Clinician information

CredentialMD
Graduation year1988 (38 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1437294477
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