William Tsai D O Inc

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

License

20A7115 Issued in CA

Legal business name

WILLIAM TSAI D O INC

Practice address

510 N 13TH Ave Ste 101
Upland, CA 91786-4973

Phone

(909) 985-8838

NPI assigned

Aug 31, 2006

Last updated

Apr 24, 2024By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. William Tsai, D.O.NPI 1285620443

Title

Physician Owner

Phone

(909) 985-8838

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Locations

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• William Tsai, D.O.

  • Family Medicine Physician
  • Upland, CA
  • NPI 1285620443
  Medicare reassignment Care Compare group Authorized official
• Dinh Lai

  • Family Nurse Practitioner
  • Pomona, CA
  • NPI 1093123176
  Medicare reassignment Care Compare group NPD
• Lisa CHI

  • Family Nurse Practitioner
  • Upland, CA
  • NPI 1275483091
  Medicare reassignment

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

{
    "created_epoch": "1156982400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1713916800000",
    "number": "1598876856",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "510 N 13TH AVE STE 101",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864973",
            "telephone_number": "909-985-8838"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "510 N 13TH AVE STE 101",
            "city": "UPLAND",
            "state": "CA",
            "postal_code": "917864973",
            "telephone_number": "909-985-8838"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WILLIAM TSAI D O INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-08-31",
        "last_updated": "2024-04-24",
        "certification_date": "2024-04-24",
        "status": "A",
        "authorized_official_last_name": "TSAI",
        "authorized_official_first_name": "WILLIAM",
        "authorized_official_title_or_position": "PHYSICIAN OWNER",
        "authorized_official_telephone_number": "909-985-8838",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "D.O."
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "20A7115",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00AX71150",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Wholistic Midwifery School of Southern California (Happy Mama Healthy Baby Alliance)
• Peiruch Perry Wich
• Isabelle Wilcox, FNP-C
• Andrew Wildasinn
• Empriss J Wilkinson, AA, BA
• Gillian Marie Williams, PNP
• Jacquelyn Williams
• Kimberly Williams
• Kindra Williams
• Naila A Williams, DDS

• Family Medicine Physician in Upland, CA
• Providers in Upland, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 24, 2024; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.