Clark S Tsai, M.D. Inc

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

G76192 Issued in CA

Legal business name

CLARK S TSAI, M.D. INC

Practice address

638 Webster St
Suite 358
Oakland, CA 94607-4168

Phone

(925) 864-8886

Fax

(925) 689-7748

NPI assigned

Nov 18, 2011

Last updated

Dec 9, 2011By 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. Clark S Tsai, M.D.NPI 1720096829

Title

Ceo/President

Phone

(925) 864-8886

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Other NPIs on the same Medicare enrollment 1

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• Clark S. Tsai, M.D., Inc.

  • Ophthalmology Physician
  • Concord, CA
  • NPI 1699944298

  O20050208000542

  Same enrollment

Tax ID family

Clark S Tsai MD Inc4 organizations share this tax ID, including this one

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

• Clark S Tsai, M.D., Inc.

  • Ophthalmology Physician
  • Oakland, CA
  • NPI 1871861559
  NPD tax ID
• Clark S. Tsai, M.D., Inc.

  • Ophthalmology Physician
  • Oakland, CA
  • NPI 1487930996
  NPD tax ID
• Clark S. Tsai, M.D., Inc.

  • Ophthalmology Physician
  • Concord, CA
  • NPI 1699944298
  NPD tax ID

Locations

Practitioners 2

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.

• Clark S Tsai, M.D.

  • Ophthalmology Physician
  • Concord, CA
  • NPI 1720096829
  Authorized official Same address or phone
• Hubert K Wong, M.D.

  • Ophthalmology Physician
  • Oakland, CA
  • NPI 1013924448
  NPD (past)

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

{
    "created_epoch": "1321574400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1323388800000",
    "number": "1932476991",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2225 PORT CHICAGO HWY",
            "city": "CONCORD",
            "state": "CA",
            "postal_code": "945202051",
            "telephone_number": "925-689-7744",
            "fax_number": "925-689-7748"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "638 WEBSTER ST",
            "address_2": "SUITE 358",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946074168",
            "telephone_number": "925-864-8886",
            "fax_number": "925-689-7748"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CLARK S TSAI, M.D. INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2011-11-18",
        "last_updated": "2011-12-09",
        "status": "A",
        "authorized_official_last_name": "TSAI",
        "authorized_official_first_name": "CLARK",
        "authorized_official_middle_name": "S",
        "authorized_official_title_or_position": "CEO/PRESIDENT",
        "authorized_official_telephone_number": "925-864-8886",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "G76192",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G761922",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Maira Clancy, LCSW
• Timothy Norbert Clancy Jr.
• Kathleen Anne Clanon, MD
• Polly Clare-Rothe, MSW
• Laura Ann Clarizio, NP
• Clark S Tsai, M.D., Inc.
• Clark S. Tsai, M.D., Inc.
• Annie Clark
• Ashlyn Clark
• Cassandra N Clark

• Ophthalmology Physician in Oakland, CA
• Providers in Oakland, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 9, 2011; 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.