Individual provider Active NPI

Lyndsey Erin Hunter- Adamson, MD

  • Pediatric Cardiology Physician
  • Palo Alto, CA
National Provider Identifier
1669977591
Registry record updated Sep 15, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pediatric Cardiology PhysicianTaxonomy code 2080P0202X
License
A166552 Issued in CA
Practice address
725 Welch Rd
Palo Alto, CA 94304-1601
Phone
(650) 497-8000
NPI assigned
Mar 23, 2018
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 15, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X A166552 CA
Pediatric Cardiology Physician 2080P0202X A166552 CA Primary

Addresses

Primary practice location

725 Welch Rd
Palo Alto, CA 94304-1601

Mailing address

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 497-8000

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20240828002756 CA Practitioner - Pediatric Medicine 9739510876 Reassigns benefits to 5 organizations

Care Compare profile

Medicare Care Compare
Specialty
Pediatric Medicine
Education
Saint Louis University School of Medicine, 2018
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)

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (650) 498-7200

Hospital & facility affiliations

  • Lucile Salter Packard Children'S HSP at Stanford Hospital, Palo Alto, CA, CCN 053305

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A166552CAMDPediatric Cardiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
County of Santa Clara CurrentSince Aug 14, 2024 Accepting new patients
County of Santa Clara CurrentSince Aug 14, 2024 Accepting new patients
LPCH Medical Group Div of Lucile Pediatrics CurrentSince Jun 19, 2025 Accepting new patients
Stanford Health Care Pediatrics CurrentSince Jun 19, 2025 Accepting new patients
County of Santa Clara Current Accepting new patients
County of Santa Clara Current Accepting new patients
Stanford Health Care Pediatrics Current Accepting new patients
County of Santa Clara CurrentSince Aug 14, 2024 Accepting new patients
County of Santa Clara Pediatrics Current Accepting new patients
County of Santa Clara CurrentSince Aug 14, 2024 Accepting new patients
Stanford Health Care CurrentSince Jun 19, 2025 Accepting new patients

Locations

7475 Camino Arroyo
Gilroy, CA 95020
Phone (408) 852-2400

725 Welch Rd
#D
Palo Alto, CA 94304

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

1993 McKee Rd
San Jose, CA 95116
Phone (408) 254-6320

751 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-5110

2101 Alexian Dr
San Jose, CA 95116
Phone (408) 272-6050

750 S Bascom Ave
San Jose, CA 95128
Phone (408) 885-2320

500 Tully Rd
San Jose, CA 95111
Phone (408) 817-1433

1996 Lundy Ave
San Jose, CA 95131
Phone (408) 299-5846

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

660 S Fair Oaks Ave
Sunnyvale, CA 94086
Phone (408) 885-7366

Organizations & group practices 11

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 1

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": "1521763200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757894400000",
    "number": "1669977591",
    "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": [],
    "basic": {
        "last_name": "HUNTER- ADAMSON",
        "first_name": "LYNDSEY",
        "middle_name": "ERIN",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-03-23",
        "last_updated": "2025-09-15",
        "certification_date": "2025-09-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A166552",
            "primary": false
        },
        {
            "code": "2080P0202X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Pediatric Cardiology",
            "state": "CA",
            "license": "A166552",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

Verify at the official NPI Registry.