Active NPI
Derick L Ly, D.O., M.S.
- Psychiatry Physician
- Ontario, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatry Physician
- License
- 13326
- Practice address
- 2940 Inland Empire Blvd
Ontario, CA 91764-4898 - Phone
- (909) 458-1350
- NPI assigned
- Mar 22, 2013
- Last updated
- Mar 31, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
Enrollment records 1
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
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
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| County of San Bernardino | Current | Accepting new patients | |
| County of San Bernardino | Current | Accepting new patients | |
| County of San Bernardino | Current | 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.
-
dba Department of Behavioral Health
- Mental Health Clinic/Center (Including Community Mental Health Center)
- San Bernardino, CA
- NPI 1164467023
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Rialto, CA
- NPI 1194029066
-
dba Apple Valley Clinic
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Apple Valley, CA
- NPI 1346950904
-
dba South Coast Community Services
- Community/Behavioral Health Agency
- Yucaipa, CA
- NPI 1962634956
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 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.
- 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.