Individual provider Active NPI

Lok Yi Lo, NP

  • Gerontology Nurse Practitioner
  • San Francisco, CA
National Provider Identifier
1316665789
Registry record updated Jun 10, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gerontology Nurse PractitionerTaxonomy code 363LG0600X
License
95021906 Issued in CA
Practice address
400 Parnassus Ave
San Francisco, CA 94143-2202
Phone
(415) 353-2421
NPI assigned
Aug 19, 2022
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 10, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Nurse Practitioner 363L00000X 95021906 CA
Gerontology Nurse Practitioner 363LG0600X 95021906 CA Primary

Addresses

Primary practice location

400 Parnassus Ave
San Francisco, CA 94143-2202

Mailing address

106 Ellington Ave
San Francisco, CA 94112-3623

Other practice location 1

2100 Webster St Ste 225
San Francisco, CA 94115-2376
Phone (415) 923-3012

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
I20241217003098 CA Practitioner - Nurse Practitioner 5698202562 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2022
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
UCSF Medical Group Business ServicesGroup PAC ID 3779497870, 1,533 clinicians

Practice addresses (Care Compare)

2330 Post St
San Francisco, CA 94115-3465
Phone (415) 476-4029

3100 San Pablo Ave
Berkeley, CA 94702-2498
Phone (510) 985-5020

400 Parnassus Ave
San Francisco, CA 94143-2202

505 Parnassus Ave
San Francisco, CA 94143-2204
Phone (415) 476-1000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Dec 13, 2024 Accepting new patients
University of California San Francisco CurrentSince Dec 13, 2024 Accepting new patients
Regents of the University of California CurrentSince Dec 13, 2024 Accepting new patients
University of California San Francisco Current Accepting new patients
UCSF Medical Group Business Services CurrentSince Dec 13, 2024 Accepting new patients
UCSF Medical Group Business Services Nurse Practitioner CurrentSince Dec 13, 2024 Accepting new patients
Regents of the University of California Past Accepting new patients

Locations

225 California Dr
Burlingame, CA 94010
Phone (415) 353-2002

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

505 Parnassus Ave
San Francisco, CA 94143
Phone (415) 476-9058

400 Parnassus Ave
San Francisco, CA 94143
Phone (415) 353-2000

400 Parnassus Ave
#4
San Francisco, CA 94143

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

Interoperability endpoints

  • Direct secure messaging: llo108119@direct-ucsfmedicalcenter.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 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": "1660867200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1749513600000",
    "number": "1316665789",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "106 ELLINGTON AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941123623"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "400 PARNASSUS AVE",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941432202",
            "telephone_number": "415-353-2421"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2100 Webster St Ste 225",
            "address_purpose": "LOCATION",
            "city": "San Francisco",
            "state": "CA",
            "postal_code": "941152376",
            "country_code": "US",
            "telephone_number": "415-923-3012",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LO",
        "first_name": "LOK YI",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2022-08-19",
        "last_updated": "2025-06-10",
        "certification_date": "2025-06-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "CA",
            "license": "95021906",
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "CA",
            "license": "95021906",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

Verify at the official NPI Registry.