Geoffrey Huang Tison, MD MPH

Primary specialty

Cardiovascular Disease PhysicianTaxonomy code 207RC0000X

License

A119699 Issued in CA

Practice address

500 Parnassus Ave
San Francisco, CA 94143-2203

Phone

(415) 514-0992

Fax

(415) 502-7949

NPI assigned

Feb 7, 2008

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

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 1

Specialty

Cardiovascular Disease (Cardiology)Also: Internal Medicine

Education

Johns Hopkins University School of Medicine, 2009

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

University of California San FranciscoGroup PAC ID 4486567229, 1,780 clinicians

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

Regents of the University of CaliforniaGroup PAC ID 4284547274, 706 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UCSF Medical Center Hospital, San Francisco, CA, CCN 050454

Merit-based Incentive Payment System (MIPS)

Final score

87.01 of 100Reported as group

Quality

86.78

Improvement activities

40

Cost

70.46

Merit-based Incentive Payment System (MIPS)

Final score

100 of 100Reported as group

Quality

95

Improvement activities

40

Cost

80.65

Merit-based Incentive Payment System (MIPS)

Final score

84.89 of 100Reported as group

Quality

81.13

Improvement activities

40

Cost

71.5

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

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.

• Regents of the University of California

  dba UCSF Dept of Medicine General Medicine

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1760552343
  Medicare reassignment Care Compare group NPD
• UCSF Medical Group Business Services

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

  dba UCSF Pediatrics Group

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment Care Compare group NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • Santa Clara, CA
  • NPI 1073606299
  Medicare reassignment NPD
• Permanente Medical Group Inc

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1841373800
  NPD
• Permanente Medical Group, Inc

  • Clinical Medical Laboratory
  • San Jose, CA
  • NPI 1497971584
  NPD
• UCSF Medical Group Business Services

  dba UCSF Orthotic and Prosthetic Center - Gateway Medical Building

  • Health Service Clinic/Center
  • San Francisco, CA
  • NPI 1194115246
  NPD
• University of California San Francisco

  dba UCSF Medical Center

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851
  NPD
• University of California San Francisco

  dba UCSF Outpatient Pharmacy at Parnassus

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• Regents of the University of California

  dba UCSF Department of Medicine Rheumatology

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

  dba UCSF Medical Center Adult Chronic Dialysis

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

  dba UCSF 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.

• University of California, San Francisco

  dba UCSF Medical Center

  • 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": "1202342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765238400000",
    "number": "1629256177",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "555 MISSION BAY BLVD S",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432156",
            "telephone_number": "415-514-0992",
            "fax_number": "415-502-7949"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432203",
            "telephone_number": "415-514-0992",
            "fax_number": "415-502-7949"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TISON",
        "first_name": "GEOFFREY",
        "middle_name": "HUANG",
        "credential": "MD MPH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2008-02-07",
        "last_updated": "2025-12-09",
        "certification_date": "2025-12-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "A119699",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tiffany Tirtadinata, NP
• Aaron Tisatayane
• Natalie Jeannine Tiscareno, PHARM.D.
• Damian Tischler, RN
• Kellen Tisinger
• Alisa Title
• Robin Louise Tittle, MD
• Erron Wilcox Titus, MD, PHD
• Ryan Alyson-Yao Tiu
• Andrea Beth Tivers

• Cardiovascular Disease Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Cardiovascular Disease Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 9, 2025; 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.