Active NPI
David J. Rickles, MD
- Radiation Oncology Physician
- Lawndale, CA
National Provider Identifier
1700926862
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- G56693
- Practice address
- 14608 Hawthorne Blvd
Lawndale, CA 90260-1521 - Phone
- (310) 978-4970
- Fax
- (310) 978-8668
- NPI assigned
- Feb 7, 2007
- Reactivated
- Jul 14, 2026
- Last updated
- Jul 14, 2026
- 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 |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | G56693 | CA | Primary |
Addresses
Primary practice location
14608 Hawthorne Blvd
Lawndale, CA 90260-1521
Mailing address
14608 Hawthorne Blvd
Lawndale, CA 90260-1521
Phone (951) 691-5123
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00G566930 | Medicaid | CA | |
| A003 | Other | CA | TRIWEST PROVIDER # |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G56693 | CA | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| David J Rickles M.D. Inc. | Past | Accepting new patients | |
| The Regents of the University of California | Radiation Oncology | Past | Accepting new patients |
| Genesiscare USA of California a Medical Corporation | Radiation Oncology | Past | Accepting new patients |
| Genesiscare USA of California a Medical Corporation | Radiation Oncology | Past | Accepting new patients |
| David J Rickles, MD, Inc | Past | Accepting new patients |
Organizations & group practices 5
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.
-
- Radiation Oncology Clinic/Center
- Lawndale, CA
- NPI 1225059488
-
- Radiation Oncology Clinic/Center
- Lawndale, CA
- NPI 1922205269
-
dba GenesisCare of California A Medical Corporation
- Radiation Oncology Physician
- Palm Desert, CA
- NPI 1861472318
-
dba GenesisCare of California A Medical Corporation
- Radiation Oncology Physician
- Modesto, CA
- NPI 1881624583
-
dba UCLA Rad-Onc Group Practice
- Radiation Oncology Physician
- Los Angeles, CA
- NPI 1730143454
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1170806400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783987200000",
"number": "1700926862",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "14608 HAWTHORNE BLVD",
"city": "LAWNDALE",
"state": "CA",
"postal_code": "902601521",
"telephone_number": "951-691-5123",
"fax_number": "951-691-5156"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "14608 HAWTHORNE BLVD",
"city": "LAWNDALE",
"state": "CA",
"postal_code": "902601521",
"telephone_number": "310-978-4970",
"fax_number": "310-978-8668"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RICKLES",
"first_name": "DAVID",
"middle_name": "J.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2007-02-07",
"last_updated": "2026-07-14",
"deactivation_date": "2026-03-04",
"reactivation_date": "2026-07-14",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "CA",
"license": "G56693",
"primary": true
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00G566930",
"state": "CA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "TRIWEST PROVIDER #",
"identifier": "A003",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Lawndale, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 14, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.