NPIMap

Individual provider Active NPI

William J Tsai, M.D.

  • Internal Medicine Physician
  • Irvine, CA
National Provider Identifier
1952356560
Registry record updated Jul 16, 2010
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
A71679 Issued in CA
Practice address
19742 Macarthur Blvd
Ste 101
Irvine, CA 92612-2432
Phone
(949) 955-0202
Fax
(949) 955-0203
NPI assigned
May 23, 2006
Last updated
Jul 16, 2010By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 16, 2010

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X A71679 CA Primary

Addresses

Primary practice location

19742 Macarthur Blvd
Ste 101
Irvine, CA 92612-2432

Mailing address

19742 Macarthur Blvd
Ste 101
Irvine, CA 92612
Phone (949) 955-0202

Other identifiers 1

IdentifierTypeStateIssuer
00A716790MedicaidCA

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
I20031126000678 CA Practitioner - Internal Medicine 3577468990 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Internal Medicine
Education
Other, 1997
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services

Practice addresses (Care Compare)

19742 Macarthur Blvd
Suite 101
Irvine, CA 92612-2447
Phone (949) 955-0202

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
17.13 of 100Reported as individual
Quality
0
Improvement activities
0
Cost
57.1

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A71679CAMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
William J Tsai MD Inc Internal Medicine CurrentSince Dec 18, 2002 Accepting new patients
Pacific Hospitalist Associates a Medical Corporation Internal Medicine CurrentSince Feb 12, 2011 Accepting new patients
Pacific Hospitalist Associates a Medical Corporation Internal Medicine CurrentSince Feb 12, 2011 Accepting new patients
Pacific Hospitalist Associates a Medical Corporation Internal Medicine Current Accepting new patients
William R. Shankle MD Inc. PastSince Nov 1, 2019 Accepting new patients

Locations

16200 Sand Canyon Ave
Irvine, CA 92618
Phone (949) 753-2000

19742 MacArthur Blvd
Ste 101
Irvine, CA 92612
Phone (949) 955-0202

1 Hoag Dr
Newport Beach, CA 92663
Phone (877) 742-4624

Organizations & group practices 5

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 8

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": "1148342400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1279238400000",
    "number": "1952356560",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "19742 MACARTHUR BLVD",
            "address_2": "STE 101",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "92612",
            "telephone_number": "949-955-0202",
            "fax_number": "949-955-0203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "19742 MACARTHUR BLVD",
            "address_2": "STE 101",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926122432",
            "telephone_number": "949-955-0202",
            "fax_number": "949-955-0203"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "WILLIAM",
        "middle_name": "J",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2006-05-23",
        "last_updated": "2010-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A71679",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A716790",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Irvine, CA

Sources for this page

Verify at the official NPI Registry.