Individual provider Active NPI

Masoom M Kandahari, MD FACP

  • Medical Oncology Physician
  • Temecula, CA
National Provider Identifier
1467448100
Registry record updated Jan 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Oncology PhysicianTaxonomy code 207RX0202X
License
0101040044 Issued in VA
Practice address
27450 Ynez Rd Ste 116
Temecula, CA 92591-4649
Phone
(951) 234-7006
Fax
(951) 225-9938
NPI assigned
Sep 27, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Oncology Physician 207RX0202X 0101040044 VA Primary

Addresses

Primary practice location

27450 Ynez Rd Ste 116
Temecula, CA 92591-4649

Mailing address

31860 Paseo Navarra
San Juan Capistrano, CA 92675-3651

Other identifiers 9

IdentifierTypeStateIssuer
21384OtherMAMSI OPT CHOICE ALLIANCE
481116OtherAETNA
6098673MedicaidVA
3600124OtherUNITED HEALTHCARE
143524OtherANTHEM (ARLINGTON)
61950001OtherBC/BS NCA
3722047001OtherCIGNA
P00017437OtherRAILROAD MEDICARE
067857OtherANTHEM (WOODBRIDGE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in VA, CA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20101006000145 VA Practitioner - Hematology/OncologyPractitioner - Internal Medicine 6709855174
I20240727000585 CA Practitioner - Hematology/Oncology 6709855174 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Hematology/Oncology
Education
Other, 1979
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
The Oncology Institute Ca, a Professional CorporationGroup PAC ID 5698872398, 114 clinicians

Practice addresses (Care Compare)

450 4TH Ave
Suite 311
Chula Vista, CA 91910-4429
Phone (526) 735-3226

Hospital & facility affiliations

  • Mercy Medical Center Redding Hospital, Redding, CA, CCN 050280

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Starling Oncology Ca, a Professional Corporation Hematology & Oncology CurrentSince Jul 16, 2024 Accepting new patients
The Oncology Institute Ca, a Professional Corporation Hematology & Oncology CurrentSince Jul 16, 2024 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Dignity Health Past Accepting new patients

Locations

18000 Studebaker Rd
Ste 800
Cerritos, CA 90703

450 Fourth Ave
Chula Vista, CA 91910
Phone (619) 420-0540

450 Fourth Ave
Ste 311
Chula Vista, CA 91910
Phone (619) 371-9156

900 S Main St
Ste 204
Corona, CA 92882
Phone (951) 372-2400

11100 Warner Ave
Ste 214
Fountain Vly, CA 92708
Phone (714) 594-7820

6121 N Thesta St
Ste 204
Fresno, CA 93710
Phone (559) 438-7390

3300 E South St
Ste 304
Lakewood, CA 90805
Phone (562) 232-0550

25405 Hancock Ave
Ste 101
Murrieta, CA 92562
Phone (951) 461-3311

25405 Hancock Ave
Ste 203
Murrieta, CA 92562
Phone (909) 698-6629

3965 5th Ave
Ste 230
San Diego, CA 92103
Phone (619) 872-0953

399 E Highland Ave
Ste 501
Sn Bernrdno, CA 92404
Phone (909) 982-4252

27450 Ynez Rd
Ste 116
Temecula, CA 92591
Phone (951) 587-2225

31515 Rancho Pueblo Rd
Ste 202
Temecula, CA 92592
Phone (951) 234-7006

425 Haaland Dr
Ste 103
Thousand Oaks, CA 91361
Phone (805) 345-2020

2067 W Vista Way
Ste 295
Vista, CA 92083
Phone (526) 735-3226

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: masoom.kandahari@theoncologyinstitute.ikm.direct-ci.com

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 and National Provider Directory roles.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1127779200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1767744000000",
    "number": "1467448100",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "31860 PASEO NAVARRA",
            "city": "SAN JUAN CAPISTRANO",
            "state": "CA",
            "postal_code": "926753651"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "27450 YNEZ RD STE 116",
            "city": "TEMECULA",
            "state": "CA",
            "postal_code": "925914649",
            "telephone_number": "951-234-7006",
            "fax_number": "951-225-9938"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KANDAHARI",
        "first_name": "MASOOM",
        "middle_name": "M",
        "name_prefix": "Mr.",
        "credential": "MD FACP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-27",
        "last_updated": "2026-01-07",
        "certification_date": "2026-01-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RX0202X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Medical Oncology",
            "state": "VA",
            "license": "0101040044",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MAMSI OPT CHOICE ALLIANCE",
            "identifier": "21384",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "AETNA",
            "identifier": "481116",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "6098673",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "UNITED HEALTHCARE",
            "identifier": "3600124",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM (ARLINGTON)",
            "identifier": "143524",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BC/BS NCA",
            "identifier": "61950001",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "CIGNA",
            "identifier": "3722047001",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00017437",
            "state": null
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "ANTHEM (WOODBRIDGE)",
            "identifier": "067857",
            "state": null
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Temecula, CA

Sources for this page

Verify at the official NPI Registry.