NPIMap

Individual provider Active NPI

Sarah Soo Kyoung Choi, PA-C

  • Physician Assistant
  • Stanford, CA
National Provider Identifier
1831527431
Registry record updated Dec 23, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
53831 Issued in CA
Practice address
300 Pasteur Dr
Stanford, CA 94305-2200
Phone
(650) 723-4000
NPI assigned
Oct 17, 2013
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 23, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 53831 CA Primary
Surgical Physician Assistant 363AS0400X 53831 CA

Addresses

Primary practice location

300 Pasteur Dr
Stanford, CA 94305-2200

Mailing address

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Other practice location 1

435 N Roxbury Dr Ste 315
Beverly Hills, CA 90210-5027
Phone (310) 620-8750

Other practice location 2

8700 Beverly Blvd
West Hollywood, CA 90048-1804
Phone (310) 423-2331

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20170728002003 CA Practitioner - Physician Assistant 7012288707 Reassigns benefits to 7 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Stanford Health CareGroup PAC ID 6709797491, 3,152 clinicians

Practice addresses (Care Compare)

300 Pasteur Dr
Stanford, CA 94305-2200
Phone (650) 723-4000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.53 of 100Reported as group
Quality
87.08
Promoting interoperability
100
Improvement activities
40
Cost
69.51

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
53831CAMDDentist

Practice roles

OrganizationSpecialtyStatusNew patients
Cedars-Sinai Medical Center CurrentSince Feb 6, 2020 Accepting new patients
University of California San Francisco CurrentSince Jun 13, 2017 Accepting new patients
Cedars-Sinai Medical Center CurrentSince Feb 6, 2020 Accepting new patients
Cedars-Sinai Medical Care Foundation CurrentSince May 1, 2020 Accepting new patients
Stanford Health Care CurrentSince Nov 1, 2023 Accepting new patients
University of California San Francisco CurrentSince Jun 13, 2017 Accepting new patients
Regents of the University of California CurrentSince Jun 13, 2017 Accepting new patients
Stanford Health Care CurrentSince Nov 1, 2023 Accepting new patients

Locations

8635 W 3rd St
Ste 465W
Los Angeles, CA 90048
Phone (310) 423-0674

350 Parnassus Ave
Ste 509
San Francisco, CA 94117
Phone (415) 353-4389

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

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

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

300 Pasteur Dr
Stanford, CA 94305
Phone (650) 498-5710

4140 W 190th St
Torrance, CA 90504
Phone (310) 967-1780

8700 Beverly Blvd
West Hollywood, CA 90048
Phone (310) 385-3291

Interoperability endpoints

  • Direct secure messaging: schoi227089@direct.cshs.org

Organizations & group practices 12

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 7

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": "1381968000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1831527431",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "435 N Roxbury Dr Ste 315",
            "address_purpose": "LOCATION",
            "city": "Beverly Hills",
            "state": "CA",
            "postal_code": "902105027",
            "country_code": "US",
            "telephone_number": "310-620-8750",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "8700 Beverly Blvd",
            "address_purpose": "LOCATION",
            "city": "West Hollywood",
            "state": "CA",
            "postal_code": "900481804",
            "country_code": "US",
            "telephone_number": "310-423-2331",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHOI",
        "first_name": "SARAH",
        "middle_name": "SOO KYOUNG",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2013-10-17",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "53831",
            "primary": true
        },
        {
            "code": "363AS0400X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Surgical",
            "state": "CA",
            "license": "53831",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Stanford, CA

Sources for this page

Verify at the official NPI Registry.