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Psychiatry

Masaru J. Fisher, MD

Sees patients in San Francisco, CA · California

Summary

Dr. Masaru J. Fisher, MD is a psychiatrist at 302 Silver Ave, San Francisco, CA 94112. Phone: (415) 562-2640. Accepts Medicare assignment. In 2024, Masaru J. Fisher had 70 Original Medicare patients and 332 services. NPI 1063518868. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Psychiatrist (Medicare lists Psychiatry)
  • Address: 302 Silver Ave, San Francisco, CA 94112 · Directions (1 more location)
  • Phone: (415) 562‑2640
  • Medicare: Accepts Medicare assignment
  • Group practice: City and County of San Francisco
  • Medical school: Albany Medical College Of Union University · graduated 2001 (25 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 Masaru J. Fisher, 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 Masaru J. Fisher accept Medicare assignment?
Yes. Medicare's clinician data says Masaru J. Fisher 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 Masaru J. Fisher see?
In 2024, CMS data shows 70 Original Medicare patients and 332 services for Masaru J. Fisher. This counts Original Medicare only and measures volume, not quality.
What is Masaru J. Fisher's NPI number?
1063518868. 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 Masaru J. Fisher, 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 patients70
Services billed to Medicare332
Different services or procedures12
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)138 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)122 services
  3. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)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).

  • Depression75%
  • High blood pressure66%
  • Anxiety64%
  • High cholesterol61%
  • Arthritis44%
  • Diabetes27%

Practice locations

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

Group practices

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

  • City and County of San Francisco365 clinicians in the group

Specialties

Find other Psychiatry doctors in California →

Other psychiatrists in San Francisco

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

All psychiatrists in San Francisco →

Other clinicians in City and County of San Francisco

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

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year2001 (25 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1063518868
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