Individual provider Active NPI

James Lesher, MD

  • Surgery Physician
  • Castro Valley, CA
National Provider Identifier
1689963118
Registry record updated Feb 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
A126205 Issued in CA
Practice address
19845 Lake Chabot Rd Ste 200
Castro Valley, CA 94546-4055
Phone
(510) 538-5500
NPI assigned
Apr 5, 2011
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 7, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Surgery Physician 208600000X A126205 CA Primary

Addresses

Primary practice location

19845 Lake Chabot Rd Ste 200
Castro Valley, CA 94546-4055

Mailing address

19845 Lake Chabot Rd Ste 200
Castro Valley, CA 94546-4055

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
I20160823002904 CA Practitioner - General Surgery 6002101532 Reassigns benefits to 1 organization
Practice locations: Castro Valley, CA

Care Compare profile

Medicare Care Compare
Specialty
General Surgery
Education
Boston University School of Medicine, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full

Practice addresses (Care Compare)

20103 Lake Chabot Rd
Castro Valley, CA 94546-5305
Phone (510) 537-1234

Hospital & facility affiliations

  • Eden Medical Center Hospital, Castro Valley, CA, CCN 050488
  • Stanford Health Care Tri-Valley Hospital, Pleasanton, CA, CCN 050283

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy1-10
Upper gastrointestinal (GI) endoscopy for acid reflux1-10
Removal of tissue1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A126205CAMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
James Lesher, MD - Trauma and Acute Care Surgery, PC Surgery Current Accepting new patients
James Lesher MD Surgery CurrentSince Aug 1, 2020 Accepting new patients
Noor Saba Azimi MD Inc Surgery PastSince Oct 19, 2020 Accepting new patients
Dignity Health Past Accepting new patients
UCSF Health Community Hospitals Past Accepting new patients
Eden Medical Center/San Leandro Hospital Campus Past Accepting new patients
Russell W. Sawyer, M.D. Professional Corporation Surgery Past Accepting new patients

Locations

19845 Lake Chabot Rd
Ste 200
Castro Valley, CA 94546
Phone (510) 538-4500

20103 Lake Chabot Rd
Hayward, CA 94546
Phone (510) 537-1234

Interoperability endpoints

  • Direct secure messaging: jlesher345726@hisp.ehr.sutterhealth.org

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.

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": "1301961600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770422400000",
    "number": "1689963118",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19845 LAKE CHABOT RD STE 200",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945464055"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19845 LAKE CHABOT RD STE 200",
            "city": "CASTRO VALLEY",
            "state": "CA",
            "postal_code": "945464055",
            "telephone_number": "510-538-5500"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LESHER",
        "first_name": "JAMES",
        "credential": "MD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2011-04-05",
        "last_updated": "2026-02-07",
        "certification_date": "2026-02-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "CA",
            "license": "A126205",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Castro Valley, CA

Sources for this page

Verify at the official NPI Registry.