NPIMap

Individual provider Active NPI

Charu Singh, M.D.

  • Radiation Oncology Physician
  • Ventura, CA
National Provider Identifier
1841741212
Registry record updated Mar 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Radiation Oncology PhysicianTaxonomy code 2085R0001X
License
A203177 Issued in CA
Practice address
2900 Loma Vista Rd Ste 100
Ventura, CA 93003-2909
Phone
(805) 648-5191
Fax
(805) 648-3458
NPI assigned
Oct 20, 2016
Last updated
Mar 12, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 12, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Radiation Oncology Physician 2085R0001X A203177 CA Primary

Addresses

Primary practice location

2900 Loma Vista Rd Ste 100
Ventura, CA 93003-2909

Mailing address

2900 Loma Vista Rd Ste 100
Ventura, CA 93003-2909
Phone (805) 648-5191

Other practice location 1

20 York Street
YNHH Neurosurgery
New Haven, CT 06510-3220
Phone (203) 688-4242

Other practice location 2

262 Danny Thomas Pl
Memphis, TN 38105-3678
Phone (901) 595-7950

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250728002028 CA Practitioner - Radiation Oncology 6901178854 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Radiation Oncology
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2900 Loma Vista Rd
Suite 100
Ventura, CA 93003-2909
Phone (805) 648-5191

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A203177CAMDRadiation Oncology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Coastal Radiation Oncology Medical Group, Inc. Radiation Oncology CurrentSince Jul 14, 2025 Accepting new patients
Coastal Radiation Oncology Medical Group Inc Radiation Oncology CurrentSince Jul 14, 2025 Accepting new patients
Coastal Radiation Oncology Medical Group Inc Radiation Oncology Current Accepting new patients

Locations

2985 Sycamore Dr
Simi Valley, CA 93065
Phone (805) 584-6611

2230 Lynn Rd
Ste 103
Thousand Oaks, CA 91360
Phone (805) 462-0745

2900 Loma Vista Rd
Ste 100
Ventura, CA 93003
Phone (805) 648-5191

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • Direct secure messaging: csingh3410222@direct.trinity-health.org

Organizations & group practices 3

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 13

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

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1476921600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1841741212",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2900 LOMA VISTA RD STE 100",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930032909",
            "telephone_number": "805-648-5191",
            "fax_number": "805-648-3458"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 LOMA VISTA RD STE 100",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930032909",
            "telephone_number": "805-648-5191",
            "fax_number": "805-648-3458"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "20 York Street",
            "address_2": "YNHH Neurosurgery",
            "address_purpose": "LOCATION",
            "city": "New Haven",
            "state": "CT",
            "postal_code": "065103220",
            "country_code": "US",
            "telephone_number": "203-688-4242",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "262 Danny Thomas Pl",
            "address_purpose": "LOCATION",
            "city": "Memphis",
            "state": "TN",
            "postal_code": "381053678",
            "country_code": "US",
            "telephone_number": "901-595-7950",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SINGH",
        "first_name": "CHARU",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-10-20",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "A203177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ventura, CA

Sources for this page

Verify at the official NPI Registry.