Gregory Ming Tiao, MD

Primary specialty

Surgery PhysicianTaxonomy code 208600000X

License

G84888 Issued in CA

Practice address

725 Welch Rd
Palo Alto, CA 94304-1601

Phone

(650) 497-8000

NPI assigned

Oct 16, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 6

Addresses

Medicare fee-for-service enrollment

Enrolled in OH, KY, CA3 enrollments

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 3

Specialty

General Practice

Education

University of Illinois College of Med (CHI/Peor/Rock/CHM-Urb), 1990

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

LPCH Medical Group Div of LucileGroup PAC ID 0840298543, 332 clinicians

Practice addresses (Care Compare)

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.

• LPCH Medical Group Div of Lucile

  • Children's Hospital
  • Palo Alto, CA
  • NPI 1417907940
  Medicare reassignment Care Compare group NPD
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927

  Surgery

  Medicare reassignment NPD
• University of Kentucky

  • Diagnostic Radiology Physician
  • Lexington, KY
  • NPI 1770771974
  Medicare reassignment NPD
• Children'S Hospital Medical Center

  • Pediatrics Physician
  • Cincinnati, OH
  • NPI 1609915784

  KY

  Medicare reassignment
• Stanford Health Care

  • Specialty Pharmacy
  • Mountain View, CA
  • NPI 1760366132
  NPD
• Lima Memorial Joint Operating Company

  • General Acute Care Hospital
  • Lima, OH
  • NPI 1336144732
  NPD (past)

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

{
    "created_epoch": "1160956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765756800000",
    "number": "1083794036",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 WELCH RD",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "943041601",
            "telephone_number": "650-497-8000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3333 Burnet Ave",
            "address_2": "ML 2023",
            "address_purpose": "LOCATION",
            "city": "Cincinnati",
            "state": "OH",
            "postal_code": "452293039",
            "country_code": "US",
            "telephone_number": "513-636-4371",
            "fax_number": "513-636-7657",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TIAO",
        "first_name": "GREGORY",
        "middle_name": "MING",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-16",
        "last_updated": "2025-12-15",
        "certification_date": "2025-12-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "KY",
            "license": "52167",
            "primary": false
        },
        {
            "code": "204F00000X",
            "taxonomy_group": "",
            "desc": "Transplant Surgery",
            "state": "CA",
            "license": "G84888",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "IN",
            "license": "01081810A",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "CA",
            "license": "G84888",
            "primary": false
        },
        {
            "code": "2086S0120X",
            "taxonomy_group": "",
            "desc": "Surgery, Pediatric Surgery",
            "state": "OH",
            "license": "35.065006",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "G84888",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cindy Hsiao Threlkeld, O.D.
• Andrea Sileo Throndson, LMFT
• Alexis Reanne Thumann, PHARMD
• Kiran Kumar Thurimella, MD, PHD
• Phyllis Balley Thurstone, M.D.
• Nicholas Tieu, PA-C
• Tiferes Medical Group
• Tiffany Bui, D.M.D., I.N.C
• Margaret Till, PA-C
• Lauren Timmerman, LCSW

• Surgery Physician in Palo Alto, CA
• Providers in Palo Alto, CA by specialty
• Surgery Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 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.