Individual provider Active NPI

Vy Lien, P.A.-C

  • Physician Assistant
  • Colton, CA
National Provider Identifier
1093040933
Registry record updated Jan 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
20624 Issued in CA
Practice address
400 N Pepper Ave
Colton, CA 92324-1801
Phone
(909) 580-1400
NPI assigned
Oct 9, 2009
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 20, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 20624 CA Primary

Addresses

Primary practice location

400 N Pepper Ave
Colton, CA 92324-1801

Mailing address

1 Embarcadero Ctr Ste 1900
San Francisco, CA 94111-3723

Other practice location 1

2 Embarcadero Ctr
San Francisco, CA 94111-3823
Phone (888) 663-6331

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100104000435 CA Practitioner - Physician Assistant 6709927452 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare

Merit-based Incentive Payment System (MIPS)

Final score
96.69 of 100Reported as group
Quality
90
Improvement activities
40
Cost
78.43

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Cep America-California CurrentSince Aug 1, 2012 Accepting new patients
Cep America - California Past Accepting new patients

Locations

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

Organizations & group practices 3

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": "1255046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1768867200000",
    "number": "1093040933",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1 EMBARCADERO CTR STE 1900",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941113723"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 N PEPPER AVE",
            "city": "COLTON",
            "state": "CA",
            "postal_code": "923241801",
            "telephone_number": "909-580-1400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2 Embarcadero Ctr",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941113823",
            "country_code": "US",
            "telephone_number": "888-663-6331",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LIEN",
        "first_name": "VY",
        "name_prefix": "Ms.",
        "credential": "P.A.-C",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2009-10-09",
        "last_updated": "2026-01-20",
        "certification_date": "2026-01-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "20624",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Colton, CA

Sources for this page

Verify at the official NPI Registry.