Individual provider Active NPI

Kathryn Lenz Ponder, MD

  • Neonatal-Perinatal Medicine Physician
  • Walnut Creek, CA
National Provider Identifier
1649591215
Registry record updated Oct 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neonatal-Perinatal Medicine PhysicianTaxonomy code 2080N0001X
License
A118561 Issued in CA
Practice address
1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone
(925) 947-5350
NPI assigned
Jun 17, 2010
Last updated
Oct 31, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 31, 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 A118561 CA
Neonatal-Perinatal Medicine Physician 2080N0001X A118561 CA Primary

Addresses

Primary practice location

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122

Mailing address

1601 Ygnacio Valley Rd
Walnut Creek, CA 94598-3122
Phone (925) 947-5350

Other practice location 1

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

Other practice location 2

725 Welch Rd
Palo Alto, CA 94304-1601
Phone (415) 476-3743

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
I20151029000208 CA Practitioner - Pediatric Medicine 5597074732 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A118561CAMDNeonatal-Perinatal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
LPCH Medical Group Div of Lucile Pediatrics CurrentSince Sep 19, 2015 Accepting new patients

Locations

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

Interoperability endpoints

  • Direct secure messaging: kponder14468@alamedahs.direct-ci.com
  • Direct secure messaging: kponder58709@direct-ucsfmedicalcenter.org

Organizations & group practices 1

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1276732800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761868800000",
    "number": "1649591215",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1601 YGNACIO VALLEY RD",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983122",
            "telephone_number": "925-947-5350"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1601 YGNACIO VALLEY RD",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983122",
            "telephone_number": "925-947-5350"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "650-497-8000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "725 Welch Rd",
            "address_purpose": "LOCATION",
            "city": "Palo Alto",
            "state": "CA",
            "postal_code": "943041601",
            "country_code": "US",
            "telephone_number": "415-476-3743",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PONDER",
        "first_name": "KATHRYN",
        "middle_name": "LENZ",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-17",
        "last_updated": "2025-10-31",
        "certification_date": "2025-10-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CA",
            "license": "A118561",
            "primary": false
        },
        {
            "code": "2080N0001X",
            "taxonomy_group": "",
            "desc": "Pediatrics, Neonatal-Perinatal Medicine",
            "state": "CA",
            "license": "A118561",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

Verify at the official NPI Registry.