Individual provider Active NPI

Philip L Chatham, M.D.

  • Medical Oncology Physician
  • San Gabriel, CA
National Provider Identifier
1740279264
Registry record updated May 2, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
A32433 Issued in CA
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

Updated by the provider on May 2, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20110803000887 CA Practitioner - Hematology/OncologyPractitioner - Internal Medicine 6204866197 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
32433CAMDChiropractor
A32433CAMDMedical Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
City of Hope Medical Foundation CurrentSince Jul 3, 2017 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.

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

Verify at the official NPI Registry.