Individual provider Active NPI

John Gordon Wilcox, M.D.

  • Reproductive Endocrinology Physician
  • Pasadena, CA
National Provider Identifier
1023088689
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Reproductive Endocrinology PhysicianTaxonomy code 207VE0102X
License
G71873 Issued in CA
Practice address
333 S Arroyo Pkwy
Pasadena, CA 91105-2515
Phone
(626) 440-9161
Fax
(626) 585-1603
NPI assigned
Jan 25, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Reproductive Endocrinology Physician 207VE0102X G71873 CA Primary

Addresses

Primary practice location

333 S Arroyo Pkwy
Pasadena, CA 91105-2515

Mailing address

333 S Arroyo Pkwy
Pasadena, CA 91105-2515
Phone (626) 440-9161

Other identifiers 1

IdentifierTypeStateIssuer
G71873OtherCAMEDICAL LICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G71873CAMDReproductive Endocrinology Physician

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

NPI Registry JSON

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

{
    "created_epoch": "1138147200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1023088689",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 S ARROYO PKWY",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911052515",
            "telephone_number": "626-440-9161",
            "fax_number": "626-585-1603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 S ARROYO PKWY",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911052515",
            "telephone_number": "626-440-9161",
            "fax_number": "626-585-1603"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILCOX",
        "first_name": "JOHN",
        "middle_name": "GORDON",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-01-25",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VE0102X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Reproductive Endocrinology",
            "state": "CA",
            "license": "G71873",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "G71873",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Pasadena, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.