NPIMap

Individual provider Active NPI

Dong Han Yao, MD

  • Emergency Medicine Physician
  • Stanford, CA
National Provider Identifier
1639639784
Registry record updated Oct 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A179576 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Mar 24, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A179576 CA Primary
Clinical Informatics Physician 2083C0008X A179576 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

757 Westwood Plz
Los Angeles, CA 90095-7419
Phone (310) 794-0785

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20230808003557 CA Practitioner - Emergency Medicine 2668880451 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
96.69 of 100Reported as group
Quality
90
Improvement activities
40
Cost
78.43

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A179576CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cep America - California Emergency Medicine CurrentSince Aug 1, 2023 Accepting new patients
Cep America-California Emergency Medicine CurrentSince Aug 1, 2023 Accepting new patients
Stanford Health Care Emergency Medicine CurrentSince Aug 22, 2025 Accepting new patients
Cep America - California Emergency Medicine Current Accepting new patients
Cep America - California Emergency Medicine CurrentSince Aug 1, 2023 Accepting new patients
Stanford Health Care CurrentSince Aug 22, 2025 Accepting new patients
Cep America - California Emergency Medicine Current Accepting new patients
LPCH Medical Group Div of Lucile CurrentSince Aug 22, 2025 Accepting new patients

Locations

2755 Herndon Ave
Clovis, CA 93611
Phone (559) 323-4000

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

725 Welch Rd
Palo Alto, CA 94304
Phone (650) 497-8979

4445 Magnolia Ave
Riverside, CA 92501
Phone (800) 498-7156

15031 Rinaldi St
San Fernando, CA 91345
Phone (818) 365-8051

2425 Samaritan Dr
San Jose, CA 95124
Phone (408) 354-2114

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

Organizations & group practices 8

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.

Hospital & facility affiliations 7

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

NPI Registry JSON

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

{
    "created_epoch": "1553385600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1759276800000",
    "number": "1639639784",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "757 Westwood Plz",
            "address_purpose": "LOCATION",
            "city": "Los Angeles",
            "state": "CA",
            "postal_code": "900957419",
            "country_code": "US",
            "telephone_number": "310-794-0785",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "YAO",
        "first_name": "DONG HAN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-03-24",
        "last_updated": "2025-10-01",
        "certification_date": "2025-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A179576",
            "primary": true
        },
        {
            "code": "2083C0008X",
            "taxonomy_group": "",
            "desc": "Preventive Medicine, Clinical Informatics",
            "state": "CA",
            "license": "A179576",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.