Active NPI
Philip L Chatham, M.D.
- Medical Oncology Physician
- San Gabriel, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Oncology Physician
- License
- A32433
- Practice address
- 207 S Santa Anita St Ste P05
San Gabriel, CA 91776-1159 - Phone
- (626) 652-7433
- NPI assigned
- Oct 18, 2005
- 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A32433 | CA | |
| Hematology (Internal Medicine) Physician | 207RH0000X | A32433 | CA | |
| Medical Oncology Physician | 207RX0202X | A32433 | CA | Primary |
Addresses
Primary practice location
207 S Santa Anita St Ste P05
San Gabriel, CA 91776-1159
Mailing address
19742 Trammell LN
Chatsworth, CA 91311-1906
Phone (818) 470-6809
Other practice location 1
16801 Devonshire St
Granada Hills, CA 91344-7405
Phone (818) 366-1878
Other practice location 2
15031 Rinaldi St Ste 150
Mission Hills, CA 91345-1207
Phone (818) 660-4700
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 32433 | CA | MD | Chiropractor |
| A32433 | CA | MD | Medical Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| City of Hope Medical Foundation | Current | Accepting new patients |
Locations
15031 Rinaldi St
Ste 150
Mission Hills, CA 91345
Phone (818) 660-4700
6939 Palm Ct
Riverside, CA 92506
Phone (760) 416-4832
23823 Valencia Blvd
Ste 250
Santa Clarita, CA 91355
Phone (661) 799-1999
1157 Swallow Ln
Simi Valley, CA 93065
Phone (805) 527-2770
209 Fair Oaks Ave
South Pasadena, CA 91030
Phone (626) 359-8111
425 Haaland Dr
Ste 101
Thousand Oaks, CA 91361
Phone (805) 496-2949
425 Haaland Dr
Ste 103
Thousand Oaks, CA 91361
Phone (805) 345-2020
Networks
- BSC 65 PLUS INDIVIDUAL MAPD
Organizations & group practices 1
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.
-
- Hematology & Oncology Physician
- Duarte, CA
- NPI 1871886366
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1129593600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1746144000000",
"number": "1740279264",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "19742 TRAMMELL LN",
"city": "CHATSWORTH",
"state": "CA",
"postal_code": "913111906",
"telephone_number": "818-470-6809"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "207 S SANTA ANITA ST STE P05",
"city": "SAN GABRIEL",
"state": "CA",
"postal_code": "917761159",
"telephone_number": "626-652-7433"
}
],
"practiceLocations": [
{
"address_1": "16801 Devonshire St",
"address_purpose": "LOCATION",
"city": "Granada Hills",
"state": "CA",
"postal_code": "913447405",
"country_code": "US",
"telephone_number": "818-366-1878",
"fax_number": "818-360-7850",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "15031 Rinaldi St Ste 150",
"address_purpose": "LOCATION",
"city": "Mission Hills",
"state": "CA",
"postal_code": "913451207",
"country_code": "US",
"telephone_number": "818-660-4700",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "CHATHAM",
"first_name": "PHILIP",
"middle_name": "L",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-10-18",
"last_updated": "2025-05-02",
"certification_date": "2025-05-02",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A32433",
"primary": false
},
{
"code": "207RH0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology",
"state": "CA",
"license": "A32433",
"primary": false
},
{
"code": "207RX0202X",
"taxonomy_group": "",
"desc": "Internal Medicine, Medical Oncology",
"state": "CA",
"license": "A32433",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in San Gabriel, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 2, 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.