Darlene Ly, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

440 E Huntington Dr Ste 200
Arcadia, CA 91006-3775

Phone

(626) 254-2293

Fax

(626) 254-8220

NPI assigned

Dec 19, 2020

Sex

Female

Sole proprietor

Yes

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

Enrolled in CA

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: dly203298@westdirect.optum.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.

• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Internal Medicine Physician
  • Los Angeles, CA
  • NPI 1659312593
  Medicare reassignment
• Healthcare Partners Affiliates Medical Group

  dba Optum

  • Durable Medical Equipment & Medical Supplies
  • Murrieta, CA
  • NPI 1760057269
  NPD

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

{
    "created_epoch": "1608336000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767139200000",
    "number": "1114513520",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "440 E HUNTINGTON DR STE 200",
            "city": "ARCADIA",
            "state": "CA",
            "postal_code": "910063775",
            "telephone_number": "626-254-2293",
            "fax_number": "626-254-8220"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LY",
        "first_name": "DARLENE",
        "credential": "PA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-12-19",
        "last_updated": "2025-12-31",
        "certification_date": "2025-12-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Amy Luu, OTR/L
• Dan Luu, PHARMD
• Tony Luu, DPT
• Luxottica of America Inc (Lenscrafters at Macy's #8481)
• Luxottica of America Inc (Lenscrafters #0492)
• Ellen Ly, NP
• Phung Kim Ly
• Vy Tuong Ly
• M Gazarian Medical Corporation
• M Lorraine Purino MD Inc

• Physician Assistant in Arcadia, CA
• Providers in Arcadia, CA by specialty
• Physician Assistant in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 31, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.