Individual provider Active NPI

Julio Marquez, PA

  • Physician Assistant
  • San Leandro, CA
National Provider Identifier
1497686505
Registry record updated May 27, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
003104 Issued in PR
Practice address
433 Callan Ave
San Leandro, CA 94577-4643
Phone
(341) 258-2050
NPI assigned
May 27, 2026
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 27, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 003104 PR Primary

Addresses

Primary practice location

433 Callan Ave
San Leandro, CA 94577-4643

Mailing address

15458 Heron Dr
San Leandro, CA 94579-2731
Phone (510) 584-1591

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
Physician Assistant

State licenses

LicenseStateTypeSpecialty
003104PRMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Biohealth Medical PC Current Accepting new patients

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 and National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1779840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779840000000",
    "number": "1497686505",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15458 HERON DR",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945792731",
            "telephone_number": "510-584-1591"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "433 CALLAN AVE",
            "city": "SAN LEANDRO",
            "state": "CA",
            "postal_code": "945774643",
            "telephone_number": "341-258-2050"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARQUEZ",
        "first_name": "JULIO",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-05-27",
        "last_updated": "2026-05-27",
        "certification_date": "2026-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "PR",
            "license": "003104",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Leandro, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 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.