Sunnie Yan-Wai Wong, MD, PHD

Primary specialty

Student in an Organized Health Care Education/Training ProgramTaxonomy code 390200000X

Practice address

300 Pasteur Dr RM H3680
Stanford, CA 94305-2200

Phone

(650) 725-2181

Fax

(650) 721-1663

NPI assigned

Mar 30, 2019

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Electronic endpoints 2

Medicare fee-for-service enrollment

Enrolled in IN

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

General Surgery

Education

Other, 2019

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Cardiothoracic Surgeons IncGroup PAC ID 8729033964, 66 clinicians

Iu Health Medical Group LLCGroup PAC ID 9638617913, 4,382 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Eskenazi Health Hospital, Indianapolis, IN, CCN 150024

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine, Doctor of Philosophy

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: swong145551@direct.eskenazihealth.edu
• Direct secure messaging: swong@direct.iuhealth.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.

• Cardiothoracic Surgeons Inc.

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Indianapolis, IN
  • NPI 1770796096
  Medicare reassignment Care Compare group NPD
• Iu Health Medical Group, LLC

  • General Practice Physician
  • Indianapolis, IN
  • NPI 1326893777
  Medicare reassignment Care Compare group NPD
• University Surgeons, Inc.

  • Surgery Physician
  • Indianapolis, IN
  • NPI 1316966229

  Surgical Critical Care

  Medicare reassignment NPD
• Cardiothoracic Surgeons Pediatrics LLC

  • Pediatric Surgery Physician
  • Indianapolis, IN
  • NPI 1154537850
  NPD (past)

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

• The Health and Hospital Corporation of Marion County

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1568407310
  Care Compare affiliation
• The Health and Hospital Corporation of Marion County

  • Methadone Clinic
  • Indianapolis, IN
  • NPI 1760922249

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1553904000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1578024550",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR RM H3680",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-725-2181",
            "fax_number": "650-721-1663"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR RM H3680",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-725-2181",
            "fax_number": "650-721-1663"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "720 Eskenazi Ave",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025187",
            "country_code": "US",
            "telephone_number": "317-944-3636",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "705 Riley Hospital Dr",
            "address_purpose": "LOCATION",
            "city": "Indianapolis",
            "state": "IN",
            "postal_code": "462025109",
            "country_code": "US",
            "telephone_number": "317-948-0345",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WONG",
        "first_name": "SUNNIE",
        "middle_name": "YAN-WAI",
        "credential": "MD, PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-03-30",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "IN",
            "license": "01097962A",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "swong@direct.iuhealth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "705 Riley Hospital Dr",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025109",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "swong@direct.iuheslth.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "720 Eskenazi Ave",
            "city": "Indianapolis",
            "state": "IN",
            "country_code": "US",
            "postal_code": "462025187",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Martina Wong, PA-C
• Phoebe Yuk Ting Wong, CRNA
• Rebecca Xin-Ru Wong, PA-C
• Spencer Christian James Wong, CRNA
• Stacy Tennille Wong, CRNA
• Christopher Y. Woo, M.D.
• Elizabeth Ka-Yoon Woo, MD, PHD
• Jennifer Phung Woo, MD
• Jenny Woo
• Dallena Ann Wood

• Student in an Organized Health Care Education/Training Program in Stanford, CA
• Providers in Stanford, CA by specialty
• Student in an Organized Health Care Education/Training Program in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 6, 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.