Individual provider Active NPI

Sonia Kamath, M.D.

  • Nephrology Physician
  • Worcester, MA
National Provider Identifier
1851347736
Registry record updated Jun 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
A103545 Issued in CA
Practice address
123 Summer St
Worcester, MA 01608-1216
Phone
(508) 363-5000
NPI assigned
May 25, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 226219 MA
Nephrology Physician 207RN0300X A103545 CA Primary

Addresses

Primary practice location

123 Summer St
Worcester, MA 01608-1216

Mailing address

PO Box 1593
Warren, MA 01083-1593
Phone (413) 436-7324

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq Health Information Exchange (HIE) Southern California Permanente Medical Group

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
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20090110000017 CA Practitioner - Internal MedicinePractitioner - Nephrology 8921030206 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Nephrology
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Clinica Sierra VistaGroup PAC ID 3870407505, 180 clinicians

Practice addresses (Care Compare)

1100 W Tehachapi Blvd
Tehachapi, CA 93561-2563
Phone (661) 823-6621

3501 Stockdale Hwy
Bakersfield, CA 93309-2150
Phone (661) 328-9831

3733 San Dimas St
Suite 101
Bakersfield, CA 93301-1407
Phone (800) 353-5400

625 34TH St
Suite 100And200
Bakersfield, CA 93301-2305
Phone (833) 678-2781

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A103545CAMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southern California Permanente Medical Group CurrentSince Sep 8, 2008 Accepting new patients
Clinica Sierra Vista CurrentSince Oct 1, 2023 Accepting new patients
Southern California Permanente Medical Group CurrentSince Sep 8, 2008 Accepting new patients
Clinica Sierra Vista Current Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Clinica Sierra Vista CurrentSince Oct 1, 2023 Accepting new patients
Clinica Sierra Vista Past Accepting new patients

Locations

1305 Bear Mountain Blvd
Arvin, CA 93203
Phone (661) 854-3131

625 34th St
Ste 100
Bakersfield, CA 93301

625 34th St
Ste 200
Bakersfield, CA 93301

3733 San Dimas St
Bakersfield, CA 93301
Phone (661) 631-3008

625 34th St
Ste 100200
Bakersfield, CA 93301
Phone (661) 328-4284

3733 San Dimas St
Ste 101
Bakersfield, CA 93301
Phone (800) 353-5400

393 E Walnut St
Unit 3RD
Pasadena, CA 91188
Phone (626) 405-7914

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

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.

NPI Registry JSON

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

{
    "created_epoch": "1148515200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750118400000",
    "number": "1851347736",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 1593",
            "city": "WARREN",
            "state": "MA",
            "postal_code": "010831593",
            "telephone_number": "413-436-7324"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "123 SUMMER ST",
            "city": "WORCESTER",
            "state": "MA",
            "postal_code": "016081216",
            "telephone_number": "508-363-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KAMATH",
        "first_name": "SONIA",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-25",
        "last_updated": "2025-06-17",
        "certification_date": "2025-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MA",
            "license": "226219",
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "CA",
            "license": "A103545",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "3733 San Dimas St",
            "city": "Bakersfield",
            "state": "CA",
            "country_code": "US",
            "postal_code": "933011407",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Worcester, MA

Sources for this page

Verify at the official NPI Registry.