Active NPI
Masoom M Kandahari, MD FACP
- Medical Oncology Physician
- Temecula, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Oncology Physician
- License
- 0101040044
- 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
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 |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 21384 | Other | MAMSI OPT CHOICE ALLIANCE | |
| 481116 | Other | AETNA | |
| 6098673 | Medicaid | VA | |
| 3600124 | Other | UNITED HEALTHCARE | |
| 143524 | Other | ANTHEM (ARLINGTON) | |
| 61950001 | Other | BC/BS NCA | |
| 3722047001 | Other | CIGNA | |
| P00017437 | Other | RAILROAD MEDICARE | |
| 067857 | Other | ANTHEM (WOODBRIDGE) |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in VA, CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
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
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
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Starling Oncology Ca, a Professional Corporation | Hematology & Oncology | Current | Accepting new patients |
| The Oncology Institute Ca, a Professional Corporation | Hematology & Oncology | Current | 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
- 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.
-
- Hematology & Oncology Physician
- Downey, CA
- NPI 1275651515
-
- Hematology & Oncology Physician
- Las Vegas, NV
- NPI 1225514508
-
- General Acute Care Hospital
- Redding, CA
- NPI 1477671535
-
- General Acute Care Hospital
- Frederick, MD
- NPI 1538165527
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Redding, CA
- NPI 1477671535
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 7, 2026; 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.