Individual provider Active NPI

Christopher Harlow Ladd, DO

  • Pain Medicine (Anesthesiology) Physician
  • Redwood City, CA
National Provider Identifier
1073197737
Registry record updated Nov 9, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pain Medicine (Anesthesiology) PhysicianTaxonomy code 207LP2900X
License
20A24360 Issued in CA
Practice address
450 Broadway St
Redwood City, CA 94063-3132
Phone
(650) 723-6316
NPI assigned
May 10, 2021
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 9, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Anesthesiology Physician 207L00000X U07847 FL
Anesthesiology Physician 207L00000X OS20484 FL
Pain Medicine (Anesthesiology) Physician 207LP2900X 20A24360 CA Primary

Addresses

Primary practice location

450 Broadway St
Redwood City, CA 94063-3132

Mailing address

450 Broadway St
Redwood City, CA 94063-3132
Phone (650) 723-6316

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL
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
I20210712001049 FL Order and Referring Only - Internal MedicinePractitioner - Internal Medicine 5597167726

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
OS20484FLMDAnesthesiology Physician
U07847FLMDAnesthesiology Physician
20A24360CAMDPain Medicine (Anesthesiology) Physician

Interoperability endpoints

  • Direct secure messaging: cladd606463@direct.shands.ufl.edu

NPI Registry JSON

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

{
    "created_epoch": "1620604800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762646400000",
    "number": "1073197737",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "450 BROADWAY ST",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940633132",
            "telephone_number": "650-723-6316"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "450 BROADWAY ST",
            "city": "REDWOOD CITY",
            "state": "CA",
            "postal_code": "940633132",
            "telephone_number": "650-723-6316"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LADD",
        "first_name": "CHRISTOPHER",
        "middle_name": "HARLOW",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-05-10",
        "last_updated": "2025-11-09",
        "certification_date": "2025-11-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "FL",
            "license": "U07847",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "FL",
            "license": "OS20484",
            "primary": false
        },
        {
            "code": "207LP2900X",
            "taxonomy_group": "",
            "desc": "Anesthesiology, Pain Medicine",
            "state": "CA",
            "license": "20A24360",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Redwood City, CA

Sources for this page

Verify at the official NPI Registry.