Ryan Keith O'Malley, NP-C

Primary specialty

Adult Health Nurse PractitionerTaxonomy code 363LA2200X

License

95003953 Issued in CA

Practice address

1828 E Cesar E Chavez Ave Ste 4500
Los Angeles, CA 90033-2577

Phone

(562) 355-9344

Fax

(213) 600-0541

NPI assigned

Mar 22, 2016

Last updated

Apr 1, 2026By the provider in NPPES

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

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

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

{
    "created_epoch": "1458604800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1775001600000",
    "number": "1538521364",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1010 E CYPRESS AVE",
            "city": "BURBANK",
            "state": "CA",
            "postal_code": "915011310",
            "telephone_number": "562-355-9344"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1828 E CESAR E CHAVEZ AVE STE 4500",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900332577",
            "telephone_number": "562-355-9344",
            "fax_number": "213-600-0541"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'MALLEY",
        "first_name": "RYAN",
        "middle_name": "KEITH",
        "credential": "NP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2016-03-22",
        "last_updated": "2026-04-01",
        "certification_date": "2026-04-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "CA",
            "license": "95003953",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Bernadette Arlene O'Leary, PSYD
• Jessica Lessing O'Leary, PHD
• Megan E O'Linn, DPT
• Daniel Cody O'Loughlin, MSN, ACNPC-AG
• Pearse O'Malley, MD
• Johnathon Rayvon O'Neal, AUD
• Melina Shernell O'Neal
• Sharon O'Neil
• Caitlin O'Neill
• Chelsea Ali O'Neill, ACSW

• Adult Health Nurse Practitioner in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Adult Health Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 1, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.