Individual provider Active NPI

Shirley Yihsiu Tsai, PHARMD

  • Pharmacist
  • Susanville, CA
National Provider Identifier
1508412735
Registry record updated Jan 30, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PharmacistTaxonomy code 183500000X
License
80651 Issued in CA
Practice address
2900 Main St
Susanville, CA 96130-4730
Phone
(626) 538-5024
NPI assigned
Aug 13, 2019
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jan 30, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Pharmacist 183500000X 80651 CA Primary

Addresses

Primary practice location

2900 Main St
Susanville, CA 96130-4730

Mailing address

2900 Main St
Susanville, CA 96130-4730
Phone (626) 538-5024

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Pharmacy

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1565654400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769731200000",
    "number": "1508412735",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2900 MAIN ST",
            "city": "SUSANVILLE",
            "state": "CA",
            "postal_code": "961304730",
            "telephone_number": "626-538-5024"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2900 MAIN ST",
            "city": "SUSANVILLE",
            "state": "CA",
            "postal_code": "961304730",
            "telephone_number": "626-538-5024"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "SHIRLEY",
        "middle_name": "YIHSIU",
        "credential": "PHARMD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2019-08-13",
        "last_updated": "2026-01-30",
        "certification_date": "2026-01-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "183500000X",
            "taxonomy_group": "",
            "desc": "Pharmacist",
            "state": "CA",
            "license": "80651",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Susanville, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.