Individual provider Active NPI

Leslie Chen, D.O.

  • Family Medicine Physician
  • Fremont, CA
National Provider Identifier
1023428331
Registry record updated Jun 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
20A14391 Issued in CA
Practice address
3200 Kearney St
Fremont, CA 94538-2299
Phone
(510) 490-1222
NPI assigned
May 8, 2014
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 5, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 20A14391 CA Primary

Addresses

Primary practice location

3200 Kearney St
Fremont, CA 94538-2299

Mailing address

PO Box 276950
Sacramento, CA 95827-6950
Phone (510) 490-1222

Other practice location 1

155 N Fresno St
Department of Family Medicine
Fresno, CA 93701-2302
Phone (559) 499-6450

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
I20171016001931 CA Practitioner - Emergency Medicine 4789968884 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Sutter Bay Medical FoundationGroup PAC ID 4284538778, 3,783 clinicians

Practice addresses (Care Compare)

3200 Kearney St
Fremont, CA 94538-2299
Phone (510) 490-1222

795 El Camino Real
Palo Alto, CA 94301-2302
Phone (415) 600-1020

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
20A14391CAMDFamily Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Sutter Bay Medical Foundation CurrentSince Sep 11, 2017 Accepting new patients
Sutter Bay Medical Foundation CurrentSince Sep 11, 2017 Accepting new patients

Locations

3200 Kearney St
Fremont, CA 94538
Phone (510) 498-2800

370 Distel Cir
Los Altos, CA 94022
Phone (650) 254-5200

325 Distel Cir
Los Altos, CA 94022
Phone (510) 204-3977

2350 W El Camino Real
Fl 2
Mountain View, CA 94040
Phone (650) 691-6174

795 El Camino Real
#1112
Palo Alto, CA 94301

795 El Camino Real
Palo Alto, CA 94301
Phone (650) 324-1832

123 S San Mateo Dr
San Mateo, CA 94401
Phone (650) 343-4200

550 S Green Valley Rd
Watsonville, CA 95076
Phone (831) 458-5865

Organizations & group practices 2

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": "1399507200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749081600000",
    "number": "1023428331",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 276950",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958276950",
            "telephone_number": "510-490-1222"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3200 KEARNEY ST",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945382299",
            "telephone_number": "510-490-1222"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "155 N Fresno St",
            "address_2": "Department of Family Medicine",
            "address_purpose": "LOCATION",
            "city": "Fresno",
            "state": "CA",
            "postal_code": "937012302",
            "country_code": "US",
            "telephone_number": "559-499-6450",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "LESLIE",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2014-05-08",
        "last_updated": "2025-06-05",
        "certification_date": "2025-06-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A14391",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fremont, CA

Sources for this page

Verify at the official NPI Registry.