Alejandra Clark MD a Professional Corporation

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

Legal business name

ALEJANDRA CLARK MD A PROFESSIONAL CORPORATION

Practice address

820 N Mountain Ave Ste 108
Upland, CA 91786-4163

Phone

(909) 256-4175

NPI assigned

Oct 15, 2026

Last updated

Oct 15, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Alejandra Clark, MD

Title

President

Phone

(909) 256-4175

Specialties & licenses 1

Addresses

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

{
    "created_epoch": "1792022400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1792022400000",
    "number": "1508762659",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "820 N MOUNTAIN AVE STE 108",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864163",
            "telephone_number": "909-256-4175"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "820 N MOUNTAIN AVE STE 108",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864163",
            "telephone_number": "909-256-4175"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ALEJANDRA CLARK MD A PROFESSIONAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-15",
        "last_updated": "2026-10-15",
        "certification_date": "2026-10-15",
        "status": "A",
        "authorized_official_last_name": "CLARK",
        "authorized_official_first_name": "ALEJANDRA",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "909-256-4175",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Psychiatry Physician in Upland, CA
• Providers in Upland, CA by specialty
• Psychiatry Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 15, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.