Mara Ta Cao, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

A194823 Issued in CA

Practice address

1580 Valencia Street Level 3
San Francisco, CA 94110

Phone

(415) 600-5400

Fax

(415) 369-1397

NPI assigned

Nov 14, 2019

Sex

Female

Sole proprietor

No

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

Internal Medicine

Education

Other, 2021

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 - Mission Bernal Hospital, San Francisco, CA, CCN 050055
• California Pacific Medical Center- Van Ness Campus Hospital, San Francisco, CA, CCN 050047
• California Pacific Medical Ctr-Davies Campus Hosp Hospital, San Francisco, CA, CCN 050008

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mcao623419@hisp.ehr.sutterhealth.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 NPD
• Sutter Bay Medical Foundation

  • Multi-Specialty Clinic/Center
  • Orinda, CA
  • NPI 1366898538

  Internal Medicine

  NPD
• Sutter Bay Medical Foundation

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

  • Family Medicine Physician
  • Orinda, CA
  • NPI 1871538769

  Internal Medicine

  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 1659439834
  Care Compare affiliation
• Sutter Bay Hospitals

  • 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": "1573689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763683200000",
    "number": "1154966091",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1580 VALENCIA ST",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941104423",
            "telephone_number": "415-600-5400",
            "fax_number": "415-369-1397"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1580 VALENCIA STREET LEVEL 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "94110",
            "telephone_number": "415-600-5400",
            "fax_number": "415-369-1397"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CAO",
        "first_name": "MARA",
        "middle_name": "TA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-11-14",
        "last_updated": "2025-11-21",
        "certification_date": "2025-11-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A194823",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Antonio Cantu, PSYD
• Christine Letitia Cantwell, DC
• Michael Fredric Cantwell, M.D.
• Binh Cao, MD
• Huyen Cao, MD
• Nang Xuan Cao, LCSW
• Rebecca Kimberly Cao
• Thanh-Nha Cao
• Yu Vicky Cao, PHARMD
• Leticia Espiritu Caoili, LVN

• Internal Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Internal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 21, 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.