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DR. FUMI MITSUISHI M.D., M.S.
NPI 1962656439
Psychiatry & Neurology - Psychiatry in San Francisco, CA

Active since November 11, 2008PECOS Enrolled
1263 MISSION ST, SAN FRANCISCO, CA 94103(415) 502-3000(415) 514-6466 Get Directions Write a Review

NPPES record last updated: April 28, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 28, 2026, May 25, 2021 (2 updates tracked since 2021).

About Dr. Fumi Mitsuishi M.d., M.s. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. FUMI MITSUISHI M.D., M.S. (NPI 1962656439) is an individual psychiatry provider in San Francisco, California, licensed in California (A104953) and active in the NPI registry since November 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1962656439
Entity TypeIndividualFemale
Primary Taxonomy2084P0800X
Provider Legal NameDR. FUMI MITSUISHICredential: M.D., M.S.
Location Address1263 MISSION STSan Francisco, CA 94103-2705
Mailing Address1263 Mission StSan Francisco, CA 94103-2705 · (415) 502-3000 · Fax (415) 514-6466
Phone(415) 502-3000
Fax(415) 514-6466
Sole ProprietorYes
Enumeration DateNovember 11, 2008
Last NPPES UpdateApril 28, 20262 updates tracked since enumeration
NPPES CertifiedApril 28, 2026
✔ NPI 1962656439 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in CA · A104953
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
1263 MISSION ST, San Francisco, CA 94103
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Fumi Mitsuishi M.d., M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare enrollment records show Fumi Mitsuishi reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Of California San Francisco
Same address
Clinical
1263 MISSION ST
San Francisco, CA 94103
  • Reassigned Medicare billing, California enrollment
  • 119 clinicians in this Medicare group
NPI 1104992817 (415) 502-3000
City & County Of San Francisco
0.2 mi
Community/Behavioral Health
1380 HOWARD ST.
San Francisco, CA 94103
  • Reassigned Medicare billing, California enrollment
  • 1,573 clinicians in this Medicare group
NPI 1417099789 (415) 255-3443
University Of California Sfgh Medical Group
1.5 mi
Psychiatry
1001 POTRERO AVE, BLDG 25, BLDG 5
San Francisco, CA 94110
  • Reassigned Medicare billing, California enrollment
  • 44 clinicians in this Medicare group
NPI 1356316418 (628) 206-8426
University Of California San Francisco
2.6 mi
Surgery
400 PARNASSUS AVE, MCB 300
San Francisco, CA 94143
  • Reassigned Medicare billing, California enrollment
  • 5,645 clinicians in this Medicare group
NPI 1346329380 (415) 353-2161
Ucsf Medical Group Business Services
2.6 mi
Internal Medicine
400 PARNASSUS AVE
San Francisco, CA 94122
  • Reassigned Medicare billing, California enrollment
  • 5,544 clinicians in this Medicare group
NPI 1477624104 (415) 353-2808

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
64 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$202.35 typical visit price
range $69.00 – $202.35
Typical copayment $50.58 (range $17.25 – $50.58)
Most-billed visit code 99205
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LOUIE RESNICK
Technician, Other
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 597-4640
KATHERINE ACHACOSO CHING NP
Nurse Practitioner
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 597-4641
SALONI MADAN
Student in an Organized Health Care Education/Training Program
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 502-3000
JIALI WU
Rehabilitation Practitioner
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 502-3000
MS. EVELYN SILVANA WILSON
Specialist
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 502-0108
LEYLA HOLT
Student in an Organized Health Care Education/Training Program
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 502-3000
ELSA HERNANDEZ
Case Manager/Care Coordinator
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (510) 491-4688
MS. HO YAN NIP
Social Worker (Clinical)
1263 MISSION ST
SAN FRANCISCO, CA 94103
San Francisco County (415) 597-8053

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Fumi Mitsuishi's NPI number?

The NPI number for Fumi Mitsuishi is 1962656439. It was assigned to this individual provider in the NPPES registry on November 11, 2008.

Where is Fumi Mitsuishi located?

Fumi Mitsuishi practices at 1263 Mission St, San Francisco, CA 94103. The listed phone number is (415) 502-3000.

What is Fumi Mitsuishi's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Fumi Mitsuishi enrolled in Medicare?

Yes. Fumi Mitsuishi is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Fumi Mitsuishi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fumi Mitsuishi reassigns Medicare benefits to 5 organizations: University Of California San Francisco (San Francisco, CA), City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Fumi Mitsuishi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Fumi Mitsuishi was last updated on April 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.