Diego Alonso Lema Mestanza

Primary specialty

Case Manager/Care CoordinatorTaxonomy code 171M00000X

Practice address

801 Gateway Blvd FL 4
South San Francisco, CA 94080-7401

Phone

(650) 802-6476

NPI assigned

Jun 17, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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

{
    "created_epoch": "1781654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781654400000",
    "number": "1083549166",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "801 GATEWAY BLVD FL 4",
            "city": "SOUTH SAN FRANCISCO",
            "state": "CA",
            "postal_code": "940807401",
            "telephone_number": "650-802-6476"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "801 GATEWAY BLVD FL 4",
            "city": "SOUTH SAN FRANCISCO",
            "state": "CA",
            "postal_code": "940807401",
            "telephone_number": "650-802-6476"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LEMA MESTANZA",
        "first_name": "DIEGO",
        "middle_name": "ALONSO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-06-17",
        "last_updated": "2026-06-17",
        "certification_date": "2026-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "171M00000X",
            "taxonomy_group": "",
            "desc": "Case Manager/Care Coordinator",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Sandra Moonhee Lee, PHARM. D.
• Steven M. Lee, MD
• Leila Legaspi-Odulio, D.M.D. INC.
• Christopher Robert Lehman, M.D.
• Nan Ye Lei, DO
• Danielle Lemke, MS, LCGC
• Keren Marisol Lemos Pernas, LMFT (#103912)
• Brandon Jonathan Leong
• Derrick Leong, OCCUPATIONAL THERAPI
• Markus T. Leong, MD

• Case Manager/Care Coordinator in South San Francisco, CA
• Providers in South San Francisco, CA by specialty
• Case Manager/Care Coordinator in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.