Active NPI
Raina M Ferzoco, M.D.
- Hematology & Oncology Physician
- Los Gatos, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hematology & Oncology Physician
- License
- A159773
- Practice address
- 15400 National Ave Ste 201
Los Gatos, CA 95032-2433 - Phone
- (408) 358-8415
- Fax
- (408) 502-9740
- NPI assigned
- Apr 20, 2010
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Hematology & Oncology Physician | 207RH0003X | A159773 | CA | Primary |
Addresses
Primary practice location
15400 National Ave Ste 201
Los Gatos, CA 95032-2433
Mailing address
15400 National Ave Ste 201
Los Gatos, CA 95032-2433
Phone (408) 358-8415
Other names 1
- Raina Mahajan
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
Care Compare profile
Medicare Care Compare- Specialty
- Hematology/Oncology
- Education
- University of Florida College of Medicine, 2010
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
15400 National Ave
Suite 201
Los Gatos, CA 95032-2433
Phone (831) 375-4105
1595 Soquel Dr
Santa Cruz, CA 95065-1724
1779 Dominican Way
Suite B
Santa Cruz, CA 95065-1526
Phone (831) 427-7110
Hospital & facility affiliations
- Dominican Hospital
- Watsonville Community Hospital
- Stanford Health Care
Merit-based Incentive Payment System (MIPS)
- Final score
- 99.64 of 100
- Quality
- 86.27
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Dignity Health Medical Foundation | Current | Accepting new patients | |
| Dignity Health Medical Foundation | Current | Accepting new patients | |
| Dignity Health Medical Foundation | Current | Accepting new patients | |
| Minnesota Oncology Hematology, PA | Past | Accepting new patients | |
| Minnesota Oncology Hematology, PA | Hematology & Oncology | Past | Accepting new patients |
| Minnesota Oncology Hematology, PA | Hematology & Oncology | Past | Accepting new patients |
Locations
3400 Data Dr
Rncho Cordova, CA 95670
Phone (916) 379-2726
1779 Dominican Way
#B
Santa Cruz, CA 95065
Phone (831) 427-7110
1595 Soquel Dr
Ste 400
Santa Cruz, CA 95065
Phone (831) 475-1111
1595 Soquel Dr
Ste 350
Santa Cruz, CA 95065
Phone (831) 427-7110
Organizations & group practices 7
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.
-
- Multi-Specialty Clinic/Center
- Sacramento, CA
- NPI 1700803418
-
- Hematology & Oncology Physician
- Monterey, CA
- NPI 1972542959
-
- Multi-Specialty Clinic/Center
- Santa Cruz, CA
- NPI 1598961245
-
- Multi-Specialty Clinic/Center
- Redding, CA
- NPI 1912288432
-
- Hematology & Oncology Physician
- Saint Paul, MN
- NPI 1528035995
-
- Radiation Oncology Physician
- Saint Paul, MN
- NPI 1598305427
-
- Hematology & Oncology Physician
- Saint Paul, MN
- NPI 1609911205
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Santa Cruz, CA
- NPI 1427181007
-
- General Acute Care Hospital
- Watsonville, CA
- NPI 1619607488
-
- General Acute Care Hospital
- Emeryville, CA
- NPI 1275076325
-
- General Acute Care Hospital
- Emeryville, CA
- NPI 1285177337
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1437292927
-
- General Acute Care Hospital
- Pleasanton, CA
- NPI 1467990465
-
- General Acute Care Hospital
- Stanford, CA
- NPI 1871543215
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1271721600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1778716800000",
"number": "1811213564",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "15400 NATIONAL AVE STE 201",
"city": "LOS GATOS",
"state": "CA",
"postal_code": "950322433",
"telephone_number": "408-358-8415"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "15400 NATIONAL AVE STE 201",
"city": "LOS GATOS",
"state": "CA",
"postal_code": "950322433",
"telephone_number": "408-358-8415",
"fax_number": "408-502-9740"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FERZOCO",
"first_name": "RAINA",
"middle_name": "M",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2010-04-20",
"last_updated": "2026-05-14",
"certification_date": "2026-05-14",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0003X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology & Oncology",
"state": "CA",
"license": "A159773",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "RAINA",
"last_name": "MAHAJAN",
"credential": "MD",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Los Gatos, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 14, 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.