NPIMap

Individual provider Active NPI

Jaya Karnani, MD

  • Family Medicine Physician
  • Castro Valley, CA
National Provider Identifier
1457309783
Registry record updated Dec 7, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
A89868 Issued in CA
Practice address
20642 John Dr
Castro Valley, CA 94546-5103
Phone
(510) 785-5000
NPI assigned
May 5, 2006
Last updated
Dec 7, 2022By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 7, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X A89868 CA Primary
Obstetrics Physician 207VX0000X A89868 CA

Addresses

Primary practice location

20642 John Dr
Castro Valley, CA 94546-5103

Mailing address

20642 John Dr
Castro Valley, CA 94546-5103
Phone (510) 785-5000

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
I20051215000269 CA Practitioner - Family Practice 5799744090 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2001
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
University Healthcare AllianceGroup PAC ID 6305748799, 334 clinicians

Practice addresses (Care Compare)

20642 John Dr
Castro Valley, CA 94546-5103
Phone (888) 924-1036

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A89868CAMDObstetrics Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Healthcare Alliance CurrentSince Oct 1, 2011 Accepting new patients
Stanford Hospital and Clinics Past Accepting new patients
Jaya Karnani MD, PC PastSince Sep 1, 2005 Accepting new patients
Eden Medical Center/San Leandro Hospital Campus Past Accepting new patients
Affinity Medical Group Past Accepting new patients
Hayward Sisters Hospital Past Accepting new patients

Locations

20126 Stanton Ave
Ste 201
Castro Valley, CA 94546
Phone (510) 581-2559

20642 John Dr
Castro Valley, CA 94546
Phone (510) 581-2559

319 Diablo Rd
Ste 105
Danville, CA 94526
Phone (925) 314-0260

27206 Calaroga Ave
Ste 105
Hayward, CA 94545
Phone (510) 745-8187

27212 Calaroga Ave
Hayward, CA 94545
Phone (510) 783-5532

1300 Crane St
Menlo Park, CA 94025
Phone (510) 785-5000

4725 1st St
Ste 100
Pleasanton, CA 94566
Phone (925) 462-7060

Interoperability endpoints

  • Direct secure messaging: jkarnani64900@direct.stanfordhealthcare.org

Organizations & group practices 6

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 15

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

View all 15

NPI Registry JSON

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

{
    "created_epoch": "1146787200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1670371200000",
    "number": "1457309783",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20642 JOHN DR",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465103",
            "telephone_number": "510-785-5000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20642 JOHN DR",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945465103",
            "telephone_number": "510-785-5000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KARNANI",
        "first_name": "JAYA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-05",
        "last_updated": "2022-12-07",
        "certification_date": "2022-12-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "A89868",
            "primary": true
        },
        {
            "code": "207VX0000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Obstetrics",
            "state": "CA",
            "license": "A89868",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

Verify at the official NPI Registry.