Individual provider Active NPI

Jack Kornfeld, MD

  • Emergency Medicine Physician
  • Bishop, CA
National Provider Identifier
1508444076
Registry record updated Sep 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A194227 Issued in CA
Practice address
150 Pioneer LN
Bishop, CA 93514-2556
Phone
(760) 873-5811
NPI assigned
Mar 29, 2021
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Sep 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A194227 CA Primary

Addresses

Primary practice location

150 Pioneer LN
Bishop, CA 93514-2556

Mailing address

150 Pioneer LN
Bishop, CA 93514-2556

Other practice location 1

153 Pioneer Ln Ste B
Bishop, CA 93514-2517
Phone (760) 873-2849

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
I20240718004763 CA Practitioner - Emergency Medicine 8022475102 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Geisel School of Medicine at Dartmouth, 2021
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northern Inyo Healthcare DistrictGroup PAC ID 8921992090, 104 clinicians
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

150 Pioneer LN
Bishop, CA 93514-2556
Phone (760) 873-5811

6600 Bruceville Rd
Sacramento, CA 95823-4671
Phone (916) 688-2000

Hospital & facility affiliations

  • Northern Inyo Hospital Hospital, Bishop, CA, CCN 051324
  • Kaiser Foundation Hosp So Sacramento Hospital, Sacramento, CA, CCN 050674

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A194227CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northern Inyo Healthcare District CurrentSince Jul 1, 2024 Accepting new patients
Permanente Medical Group, Inc CurrentSince Feb 2, 2025 Accepting new patients
Permanente Medical Group Inc Emergency Medicine CurrentSince Feb 2, 2025 Accepting new patients
Northern Inyo Healthcare District Current Accepting new patients

Locations

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

150 Pioneer Ln
Bishop, CA 93514
Phone (760) 873-2136

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

6600 Bruceville Rd
Sacramento, CA 95823

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

Organizations & group practices 4

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.

Hospital & facility affiliations 2

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

NPI Registry JSON

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

{
    "created_epoch": "1616976000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788998400000",
    "number": "1508444076",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 PIONEER LN",
            "city": "BISHOP",
            "state": "CA",
            "postal_code": "935142556"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "150 PIONEER LN",
            "city": "BISHOP",
            "state": "CA",
            "postal_code": "935142556",
            "telephone_number": "760-873-5811"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "153 Pioneer Ln Ste B",
            "address_purpose": "LOCATION",
            "city": "Bishop",
            "state": "CA",
            "postal_code": "935142517",
            "country_code": "US",
            "telephone_number": "760-873-2849",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KORNFELD",
        "first_name": "JACK",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2021-03-29",
        "last_updated": "2026-09-10",
        "certification_date": "2026-09-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A194227",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Bishop, CA

Sources for this page

Verify at the official NPI Registry.