Katherine T Hsiao, MD

Primary specialty

Gynecology PhysicianTaxonomy code 207VG0400X

License

A51088 Issued in CA

Practice address

1100 Van Ness Ave FL 4
San Francisco, CA 94109-6920

Phone

(415) 750-7050

Fax

(715) 369-1389

NPI assigned

Nov 2, 2006

Last updated

Mar 3, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 1

Other names 1

• Dr. Katherine T Hsiao Professional name

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

Obstetrics/Gynecology

Education

State University of New York at Buffalo School of Medicine, 1990

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

Practice addresses (Care Compare)

Hospital & facility affiliations

• California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
• Novato Community Hospital Hospital, Novato, CA, CCN 050131
• California Pacific Medical Ctr-Davies Campus Hosp Hospital, San Francisco, CA, CCN 050008
• California Pacific Medical Center - Mission Bernal Hospital, San Francisco, CA, CCN 050055
• Marinhealth Medical Center Hospital, Greenbrae, CA, CCN 050360

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: khsiao32673@hisp.ehr.sutterhealth.org

All facility ownership & control disclosures 3

Facilities whose Medicare enrollment lists this provider’s PECOS associate ID as an owner or managing party.

Owned or controlled facilities with NPI records 3

Facilities whose Medicare enrollment lists this provider as an owner, officer, director or managing party.

• Sutter Bay Hospitals

  • Clinic/Center
  • Lakeport, CA
  • NPI 1356779797

  Corporate Director

  CMS ownership
• Sutter Bay Hospitals

  • Skilled Nursing Facility
  • San Francisco, CA
  • NPI 1588732713

  Corporate Director

  CMS ownership
• Sutter Bay Hospitals

  • Critical Access Hospital
  • Lakeport, CA
  • NPI 1952634008

  Corporate Director

  CMS ownership

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

• Sutter Bay Medical Foundation

  dba Palo Alto Medial Foundation

  • Multi-Specialty Clinic/Center
  • Palo Alto, CA
  • NPI 1013950807
  Medicare reassignment Care Compare group NPD
• Sutter Bay Medical Foundation

  dba Palo Alto Medical Foundation

  • Clinical Medical Laboratory
  • Santa Clara, CA
  • NPI 1669287033
  NPD
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Novato, CA
  • NPI 1104059153
  NPD (past)
• Sutter Bay Hospitals

  dba California Pacific Medical Center - Mission Bernal Campus

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1730238007
  NPD (past)
• Sutter West Bay Medical Foundation

  dba Endoscopy Center of Santa Rosa

  • Ambulatory Surgical Clinic/Center
  • Santa Rosa, CA
  • NPI 1811242563
  NPD (past)
• UCSF Health Community Hospitals

  dba UCSF Health - St. Mary's Hospital

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1174667158
  NPD (past)
• UCSF Health Community Hospitals

  dba UCSF Health Hyde Hospital

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1316061997
  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)

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

• Marin General Hospital

  • General Acute Care Hospital
  • Greenbrae, CA
  • NPI 1396725677
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • Novato, CA
  • NPI 1104059153
  Care Compare affiliation
• Sutter Bay Hospitals

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1659439834
  Care Compare affiliation
• Sutter Bay Hospitals

  dba California Pacific Medical Center - Mission Bernal Campus

  • General Acute Care Hospital
  • San Francisco, CA
  • NPI 1730238007
  Care Compare affiliation
• Sutter Bay Hospitals

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

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

{
    "created_epoch": "1162425600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772496000000",
    "number": "1437237674",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "325 DISTEL CIR",
            "city": "LOS ALTOS",
            "state": "CA",
            "postal_code": "940221408",
            "telephone_number": "415-750-7050"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1100 VAN NESS AVE FL 4",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941096920",
            "telephone_number": "415-750-7050",
            "fax_number": "715-369-1389"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HSIAO",
        "first_name": "KATHERINE",
        "middle_name": "T",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-11-02",
        "last_updated": "2026-03-03",
        "certification_date": "2026-03-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "CA",
            "license": "A51088",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL BOARD OF CALIFORNIA",
            "identifier": "A51088",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "KATHERINE",
            "last_name": "HSIAO",
            "middle_name": "T",
            "prefix": "DR.",
            "credential": "MD",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

• Walter Robert Hsiang, MD, MBA
• Chu Yun Hsiao
• Diana Hsiao, MD
• Edward C. Hsiao, M.D., PH.D.
• Francis Chuwei Hsiao, M.D., PHD.
• Victoria Chiayu Hsiao, MD, PHD
• Min-Chen Hsieh Kang
• Angel Ann Hsieh, PTA
• Carolyn Hsieh
• Kristine Hsieh, MD

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; facility enrollments, owners and changes of ownership; Provider of Services certification data; 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.