Yao Sun, MD

Primary specialty

Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X

License

G87359 Issued in CA

Practice address

UCSF Medical Center Childrens Hospital
505 Parnassus Ave, Box 110
San Francisco, CA 94143-0110

Phone

(415) 476-5153

NPI assigned

Oct 31, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

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

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.

• UCSF Pediatrics Associates

  dba UCSF Medical Center

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1376614016
  Medicare reassignment NPD
• University of California San Francisco

  dba UCSF Pediatrics Group

  • Pediatrics Physician
  • San Francisco, CA
  • NPI 1861578973
  Medicare reassignment NPD
• University of California SFGH Medical Group

  dba UCSF SFGH Medical Group Dept of Otolaryngology

  • Otolaryngology Physician
  • San Francisco, CA
  • NPI 1154396208
  Medicare reassignment NPD
• University of California San Francisco

  dba UCSF Medical Center

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1164512851

  Pediatrics

  NPD
• University of California San Francisco

  dba UCSF Outpatient Pharmacy at Parnassus

  • Community/Retail Pharmacy
  • San Francisco, CA
  • NPI 1659141711
  NPD
• University of California SFGH Medical Group

  dba UCSF SFGH Medical Group Division of Vascular Surgery

  • Vascular Surgery Physician
  • San Francisco, CA
  • NPI 1033913959
  NPD
• University of California SFGH Medical Group

  dba UCSF SFGH Medical Group Dept of Medicine

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1306811930
  NPD
• UCSF Medical Group Business Services

  • Internal Medicine Physician
  • San Francisco, CA
  • NPI 1477624104
  NPD (past)
• University of California San Francisco Medical Center

  dba UCSF Medical Center

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

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

{
    "created_epoch": "1162252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777420800000",
    "number": "1336226273",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "UCSF MEDICAL CENTER CHILDRENS HOSPITAL",
            "address_2": "505 PARNASSUS AVE, BOX 110",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430110",
            "telephone_number": "415-476-5153"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "UCSF MEDICAL CENTER CHILDRENS HOSPITAL",
            "address_2": "505 PARNASSUS AVE, BOX 110",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941430110",
            "telephone_number": "415-476-5153"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1001 Potrero Ave",
            "address_2": "Bldg. 5, 6M",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941103518",
            "country_code": "US",
            "telephone_number": "628-206-8376",
            "fax_number": "628-206-7506",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SUN",
        "first_name": "YAO",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-31",
        "last_updated": "2026-04-29",
        "certification_date": "2026-04-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "CA",
            "license": "G87359",
            "primary": true
        },
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "G87359",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G873590",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Matthew Joshua Sun
• Steven Hao Sun, MD
• Susan Sun
• Tseyun Sun
• Xiu Ping Sun
• Yee-Li Sun, M.D.
• Aparna Bala Sundaram, MD
• Jayasree Padma Sundaram
• Kalpana Sundaram
• Sivakumar Shanmuga Sundaram, MD

• Neonatal-Perinatal Medicine Physician in San Francisco, CA
• Providers in San Francisco, CA by specialty
• Neonatal-Perinatal Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 29, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.