Individual provider Active NPI

Derick L Ly, D.O., M.S.

  • Psychiatry Physician
  • Ontario, CA
National Provider Identifier
1962744417
Registry record updated Mar 31, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Psychiatry PhysicianTaxonomy code 2084P0800X
License
13326 Issued in CA
Practice address
2940 Inland Empire Blvd
Ontario, CA 91764-4898
Phone
(909) 458-1350
NPI assigned
Mar 22, 2013
Last updated
Mar 31, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 31, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Psychiatry Physician 2084P0800X 13326 CA Primary

Addresses

Primary practice location

2940 Inland Empire Blvd
Ontario, CA 91764-4898

Mailing address

303 E Vanderbilt Way
San Bernardino, CA 92415-0026
Phone (909) 252-5149

Other practice location 1

303 E Vanderbilt Way
San Bernardino, CA 92415-0026
Phone (909) 252-5149

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20161104001996 CA Practitioner - Psychiatry 0648558080 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Psychiatry
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
County of San BernardinoGroup PAC ID 3870499130, 76 clinicians

Practice addresses (Care Compare)

820 E Gilbert St
San Bernardino, CA 92415-0928
Phone (909) 387-7200

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy, Master of Science

Practice roles

OrganizationSpecialtyStatusNew patients
County of San Bernardino Current Accepting new patients
County of San Bernardino CurrentSince Apr 1, 2019 Accepting new patients
County of San Bernardino CurrentSince Apr 1, 2019 Accepting new patients
South Coast Children's Society, Inc Past Accepting new patients

Locations

400 N Pepper Ave
Colton, CA 92324
Phone (909) 580-1400

2940 Inland Empire Blvd
Ontario, CA 91764
Phone (909) 458-1350

850 E Foothill Blvd
Rialto, CA 92376
Phone (909) 421-9200

303 E Vanderbilt Way
Sn Bernrdno, CA 92415
Phone (909) 388-0801

820 E Gilbert St
Sn Bernrdno, CA 92415
Phone (909) 386-8510

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1363910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743379200000",
    "number": "1962744417",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "303 E VANDERBILT WAY",
            "city": "SAN BERNARDINO",
            "state": "CA",
            "postal_code": "924150026",
            "telephone_number": "909-252-5149"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2940 INLAND EMPIRE BLVD",
            "city": "ONTARIO",
            "state": "CA",
            "postal_code": "917644898",
            "telephone_number": "909-458-1350"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "303 E Vanderbilt Way",
            "address_purpose": "LOCATION",
            "city": "San Bernardino",
            "state": "CA",
            "postal_code": "924150026",
            "country_code": "US",
            "telephone_number": "909-252-5149",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LY",
        "first_name": "DERICK",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "D.O., M.S.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-03-22",
        "last_updated": "2025-03-31",
        "certification_date": "2025-03-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "CA",
            "license": "13326",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ontario, CA

Sources for this page

Verify at the official NPI Registry.