Seiji Yamaguchi, M.D.

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

A154172 Issued in CA

Practice address

505 Parnassus Ave # M-896
San Francisco, CA 94143-2204

Phone

(415) 608-4051

NPI assigned

Apr 20, 2013

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, TX2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

General Surgery

Education

Georgetown University School of Medicine, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

UCSF Dept of SurgeryGroup PAC ID 7719886373, 211 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454
• California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047

Merit-based Incentive Payment System (MIPS)

Final score

97.51 of 100Reported as group

Quality

92.74

Improvement activities

40

Cost

72.4

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: syamaguchi99367@direct-ucsfmedicalcenter.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group
• UCSF Dept of Surgery

  • Surgery Physician
  • San Francisco, CA
  • NPI 1477627537
  Medicare reassignment Care Compare group
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  Medicare reassignment Care Compare group
• University of California San Francisco

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• University of Texas Health Science Center at San Antonio

  • Internal Medicine Physician
  • San Antonio, TX
  • NPI 1720051717

  Transplant Surgery

  Medicare reassignment NPD
• University of California San Francisco

  • Surgery Physician
  • San Francisco, CA
  • NPI 1346329380
  NPD
• The University of Texas Health Science Center at San Antonio

  • General Acute Care Hospital
  • San Antonio, TX
  • NPI 1326829904
  NPD
• University of Texas Health Science Center at San Antonio

  • Diagnostic Radiology Physician
  • Boerne, TX
  • NPI 1417921834
  NPD
• Regents of the University of California

  • Rheumatology Physician
  • San Francisco, CA
  • NPI 1881763597
  NPD (past)
• University of California San Francisco

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Francisco, CA
  • NPI 1992818256
  NPD (past)
• University of California San Francisco Medical Center

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1144325440
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1740348929
  Care Compare affiliation
• University of California, San Francisco

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1689772592
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1366416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1778112000000",
    "number": "1932543030",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE # M-896",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-608-4051"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "505 PARNASSUS AVE # M-896",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432204",
            "telephone_number": "415-608-4051"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1100 Van Ness Ave Fl 3",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941096978",
            "country_code": "US",
            "telephone_number": "415-558-7051",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YAMAGUCHI",
        "first_name": "SEIJI",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2013-04-20",
        "last_updated": "2026-05-07",
        "certification_date": "2026-05-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "CA",
            "license": "A154172",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A154172",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Ho Man Yam, L.AC
• Jane Yam
• Kyoko S Yamada, MD
• Amy Miranda Yamagami
• Naosuke Yamaguchi
• Edgar Yamamoto
• Kevin K Yamamoto, PSY.D.
• Kyra Lee Yamamoto, MD
• Maki Yamamoto
• Manami Yamamoto

• Surgery Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 7, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.