Denise Diaz Keenan, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

OPT35772-TLG Issued in CA

Practice address

825 Pollard Rd Ste 208
Los Gatos, CA 95032-1435

Phone

(408) 378-1701

NPI assigned

Jul 25, 2022

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 2

Medicare fee-for-service enrollment

Enrolled in PA, CA2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Optometry

Education

Other, 2022

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Fyidoctors of California IncGroup PAC ID 3577961572, 21 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: denise.diazaguayo.p1@direct.salusuhealth.nextgenshare.com
• Direct secure messaging: denise.diazaguayodo.p1@direct.dvch.nextgenshare.com

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.

• Fyidoctors of California, Inc.

  • Optometrist
  • Roseville, CA
  • NPI 1437718418
  Medicare reassignment Care Compare group NPD
• Delaware Valley Community Health, Inc.

  • Federally Qualified Health Center (FQHC)
  • Philadelphia, PA
  • NPI 1386864502
  Medicare reassignment NPD
• Delaware Valley Community Health, Inc.

  • Federally Qualified Health Center (FQHC)
  • Philadelphia, PA
  • NPI 1235956921
  NPD
• Brent P. Chinn, OD and David M. Redman, OD, Optometric Group, Inc

  • Optometrist
  • Mountain View, CA
  • NPI 1538497540
  NPD (past)

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

{
    "created_epoch": "1658707200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788307200000",
    "number": "1700512670",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "825 POLLARD RD STE 208",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950321435",
            "telephone_number": "408-378-1701",
            "fax_number": "408-378-2596"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "825 POLLARD RD STE 208",
            "city": "LOS GATOS",
            "state": "CA",
            "postal_code": "950321435",
            "telephone_number": "408-378-1701"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DIAZ KEENAN",
        "first_name": "DENISE",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-07-25",
        "last_updated": "2026-09-02",
        "certification_date": "2026-09-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "OPT35772-TLG",
            "primary": true
        },
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "PA",
            "license": "OEG003924",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "OEG003924",
            "state": "PA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "OPT35772--TLG",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Roshni Balkrishna Desai, PA-C
• Sejal Desai, DPT
• Judith Louise Dethlefs, M.D
• Vidya Devarapalli, PT, DPT
• Stacy Dever Levy, LMFT
• Stephanie Diaz Martinez
• Alberto Diaz
• Veridiana Diaz
• Matthew Aaron Diercks, DDS
• Joe Walker Diminico

• Optometrist in Los Gatos, CA
• Providers in Los Gatos, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.