NPIMap

Organization Active NPI

Monterey Bay Oncology a Medical Corporation

Doing business as Pacific Cancer Care

  • Hematology & Oncology Physician
  • Monterey, CA
National Provider Identifier
1972542959
Registry record updated Sep 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
Legal business name
MONTEREY BAY ONCOLOGY A MEDICAL CORPORATION
Doing business as
Pacific Cancer Care
Practice address
5 Harris CT, BLDG T, Ste. 201
Monterey, CA 93940
Phone
(831) 375-4105
Fax
(831) 372-5722
NPI assigned
Jun 6, 2006
Last updated
Sep 17, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 17, 2026

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

Authorized official

Name
Nicole Lynn Billingsley
Title
Chief Executive Officer
Phone
(831) 375-4105

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hematology & Oncology Physician 207RH0003X NU Primary
Radiation Oncology Clinic/Center 261QX0203X NU

Addresses

Primary practice location

5 Harris CT, BLDG T, Ste. 201
Monterey, CA 93940

Mailing address

5 Harris CT Ste 201
Monterey, CA 93940-5750
Phone (831) 375-4105

Other practice location 1

15400 National Ave Ste 100
Los Gatos, CA 95032-2433
Phone (408) 358-8400

Other practice location 2

8060 Santa Teresa Blvd # 1
Gilroy, CA 95020-3867
Phone (408) 665-3283

Other practice location 3

15400 National Ave Ste 201
Los Gatos, CA 95032-2433
Phone (408) 358-8415

Other identifiers 2

IdentifierTypeStateIssuer
GR0080140MedicaidCA
ZZZ52494ZOtherCABCBS

Other names 1

  • Pacific Cancer Care Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA3 enrollments

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
O20041012001045 CA Part B Supplier - Clinic/Group Practice 6507826856 Receives reassigned benefits from 33 practitioners
Practice locations: Los Gatos, CA; Monterey, CA
O20100930058255 CA DME Supplier - Physician - Hematology/Oncology 6507826856 Practice locations: Monterey, CA
O20250915002376 CA Part B Supplier - Radiation Therapy Center 6507826856 Receives reassigned benefits from 2 practitioners
Practice locations: Los Gatos, CA

National Provider Directory

National Provider Directory

Locations

8060 Santa Teresa Blvd
Ste 100
Gilroy, CA 95020

5 Harris Ct
#T
Monterey, CA 93940
Phone (831) 375-4105

5 Harris Ct
Bldg T
Monterey, CA 93940
Phone (408) 375-4105

5 Harris Ct
Ste 201
Monterey, CA 93940
Phone (831) 375-4105

Practitioners & affiliated clinicians

Practitioners 46

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 46

NPI Registry JSON

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

{
    "created_epoch": "1149552000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789603200000",
    "number": "1972542959",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5 HARRIS CT STE 201",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "939405750",
            "telephone_number": "831-375-4105",
            "fax_number": "408-502-9740"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5 HARRIS CT, BLDG T, STE. 201",
            "city": "MONTEREY",
            "state": "CA",
            "postal_code": "93940",
            "telephone_number": "831-375-4105",
            "fax_number": "831-372-5722"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "15400 National Ave Ste 100",
            "address_purpose": "LOCATION",
            "city": "Los Gatos",
            "state": "CA",
            "postal_code": "950322433",
            "country_code": "US",
            "telephone_number": "408-358-8400",
            "fax_number": "408-358-2793",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8060 Santa Teresa Blvd # 1",
            "address_purpose": "LOCATION",
            "city": "Gilroy",
            "state": "CA",
            "postal_code": "950203867",
            "country_code": "US",
            "telephone_number": "408-665-3283",
            "fax_number": "408-358-8438",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15400 National Ave Ste 201",
            "address_purpose": "LOCATION",
            "city": "Los Gatos",
            "state": "CA",
            "postal_code": "950322433",
            "country_code": "US",
            "telephone_number": "408-358-8415",
            "fax_number": "408-502-9740",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "MONTEREY BAY ONCOLOGY A MEDICAL CORPORATION",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-06-06",
        "last_updated": "2026-09-17",
        "certification_date": "2026-09-17",
        "status": "A",
        "authorized_official_last_name": "BILLINGSLEY",
        "authorized_official_first_name": "NICOLE",
        "authorized_official_middle_name": "LYNN",
        "authorized_official_title_or_position": "CHIEF EXECUTIVE OFFICER",
        "authorized_official_telephone_number": "831-375-4105"
    },
    "taxonomies": [
        {
            "code": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "261QX0203X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Oncology, Radiation",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0080140",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "ZZZ52494Z",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Pacific Cancer Care",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Pacific Cancer Care",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Monterey, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 17, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.