Individual provider Active NPI

Nathaniel Clay Lamb, D.O.

  • Family Medicine Physician
  • Napa, CA
National Provider Identifier
1447955521
Registry record updated Aug 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
24962 Issued in CA
Practice address
3285 Claremont Way
Napa, CA 94558-3300
Phone
(707) 258-2166
NPI assigned
Mar 30, 2023
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 24962 CA Primary

Addresses

Primary practice location

3285 Claremont Way
Napa, CA 94558-3300

Mailing address

3285 Claremont Way
Napa, CA 94558-3300
Phone (707) 258-2166

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE)

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
I20230720004218 FL Order and Referring Only - Family PracticePractitioner - Family Practice 7214397314

National Provider Directory

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

Interoperability endpoints

  • Direct secure messaging: nathaniel.lambdo@direct.mybaycare.org

NPI Registry JSON

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

{
    "created_epoch": "1680134400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785888000000",
    "number": "1447955521",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3285 CLAREMONT WAY",
            "city": "NAPA",
            "state": "CA",
            "postal_code": "945583300",
            "telephone_number": "707-258-2166"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3285 CLAREMONT WAY",
            "city": "NAPA",
            "state": "CA",
            "postal_code": "945583300",
            "telephone_number": "707-258-2166"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAMB",
        "first_name": "NATHANIEL",
        "middle_name": "CLAY",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-30",
        "last_updated": "2026-08-05",
        "certification_date": "2026-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "24962",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "3285 Claremont Way",
            "city": "Napa",
            "state": "CA",
            "country_code": "US",
            "postal_code": "945583300",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Napa, CA

Sources for this page

Verify at the official NPI Registry.