Individual provider Active NPI

Lester Tsai, MD

  • Internal Medicine Physician
  • San Diego, CA
National Provider Identifier
1770080541
Registry record updated Dec 3, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A165394 Issued in CA
Practice address
200 W Arbor Dr
San Diego, CA 92103-9000
Phone
(619) 543-6268
Fax
(619) 543-6529
NPI assigned
Apr 9, 2018
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 3, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A165394 CA Primary

Addresses

Primary practice location

200 W Arbor Dr
San Diego, CA 92103-9000

Mailing address

200 W Arbor Dr
San Diego, CA 92103-9000
Phone (619) 543-6268

Other practice location 1

9961 Sierra Ave
Fontana, CA 92335-6720
Phone (833) 574-2273

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
I20211006000382 CA Practitioner - GastroenterologyPractitioner - Internal MedicinePractitioner - Hospitalist 1052719077 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
GastroenterologyAlso: Hospitalist
Education
Un of California, Irvine, College of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Southern California Permanente Medical GroupGroup PAC ID 6002729175, 11,250 clinicians

Practice addresses (Care Compare)

12761 Schabarum Ave
Irwindale, CA 91706-6807
Phone (877) 608-0044

Hospital & facility affiliations

  • Kaiser Foundation Hospital - Baldwin Park Hospital, Baldwin Park, CA, CCN 050723

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A165394CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Southern California Permanente Medical Group CurrentSince Oct 20, 2025 Accepting new patients

Locations

12761 Schabarum Ave
Irwindale, CA 91706
Phone (626) 480-4500

1255 W Arrow Hwy
San Dimas, CA 91773
Phone (909) 394-2526

Organizations & group practices 1

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 1

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": "1523232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1638489600000",
    "number": "1770080541",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039000",
            "telephone_number": "619-543-6268",
            "fax_number": "619-543-6529"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "200 W ARBOR DR",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921039000",
            "telephone_number": "619-543-6268",
            "fax_number": "619-543-6529"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9961 Sierra Ave",
            "address_purpose": "LOCATION",
            "city": "Fontana",
            "state": "CA",
            "postal_code": "923356720",
            "country_code": "US",
            "telephone_number": "833-574-2273",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSAI",
        "first_name": "LESTER",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-09",
        "last_updated": "2021-12-03",
        "certification_date": "2021-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A165394",
            "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": "9961 Sierra Ave",
            "city": "Fontana",
            "state": "CA",
            "country_code": "US",
            "postal_code": "923356720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in San Diego, CA

Sources for this page

Verify at the official NPI Registry.