Individual provider Active NPI

Wenchi Kevin Tsai, MD

  • Clinical Cardiac Electrophysiology Physician
  • Newark, DE
National Provider Identifier
1558578740
Registry record updated Jul 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
MD493562 Issued in PA
Practice address
4755 Ogletown Stanton Road
Suite 1070
Newark, DE 19718-2200
Phone
(302) 623-1929
Fax
(973) 256-7758
NPI assigned
May 17, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2026

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 25MA09531900 NJ
Cardiovascular Disease Physician 207RC0000X C1-0012715 DE
Cardiovascular Disease Physician 207RC0000X 2845861 NY
Clinical Cardiac Electrophysiology Physician 207RC0001X 2845861 NY
Clinical Cardiac Electrophysiology Physician 207RC0001X MD493562 PA Primary
Clinical Cardiac Electrophysiology Physician 207RC0001X 25MA09531900 NJ

Addresses

Primary practice location

4755 Ogletown Stanton Road
Suite 1070
Newark, DE 19718-2200

Mailing address

4755 Ogletown Stanton Rd Ste 1070
Newark, DE 19718-2200
Phone (973) 256-5667

Other practice location 1

255 W Lancaster Ave Ste 200
Paoli, PA 19301-1763
Phone (484) 476-1000

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DE, PA2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20181119000666 DE Practitioner - Cardiovascular Disease (Cardiology)Practitioner - Cardiac Electrophysiology 7719152172 Reassigns benefits to 1 organization
I20260616001948 PA Practitioner - Cardiovascular Disease (Cardiology) 7719152172

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)Also: Cardiac Electrophysiology
Education
University of Maryland School of Medicine, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Christiana Care Health Services IncGroup PAC ID 9739097569, 1,480 clinicians

Practice addresses (Care Compare)

4755 Ogletown Stanton Rd
Newark, DE 19718-2200
Phone (302) 733-1663

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair46

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C1-0012715DEMDCardiovascular Disease Physician
2845861NYMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Christiana Care Health Services, Inc Current Accepting new patients
Christiana Care Health Services, Inc Cardiovascular Disease CurrentSince Oct 21, 2018 Accepting new patients
Christiana Care Health Services Inc CurrentSince Oct 21, 2018 Accepting new patients

Locations

4755 Ogletown Stanton Rd
Ste 1070
Newark, DE 19718
Phone (302) 733-1663

4755 Ogletown Stanton Rd
Newark, DE 19718
Phone (302) 733-1700

3521 Silverside Rd
Ste 1C
Wilmington, DE 19810
Phone (302) 368-3007

1401 Foulk Rd
Ste 100B
Wilmington, DE 19803
Phone (302) 320-9440

501 W 14th St
Wilmington, DE 19801
Phone (302) 320-4411

Organizations & group practices 3

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

Hospital & facility affiliations 3

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": "1179360000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1558578740",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON RD STE 1070",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "973-256-5667",
            "fax_number": "973-256-7758"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4755 OGLETOWN STANTON ROAD",
            "address_2": "SUITE 1070",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197182200",
            "telephone_number": "302-623-1929",
            "fax_number": "973-256-7758"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "255 W Lancaster Ave Ste 200",
            "address_purpose": "LOCATION",
            "city": "Paoli",
            "state": "PA",
            "postal_code": "193011763",
            "country_code": "US",
            "telephone_number": "484-476-1000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TSAI",
        "first_name": "WENCHI",
        "middle_name": "KEVIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-17",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NJ",
            "license": "25MA09531900",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "DE",
            "license": "C1-0012715",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NY",
            "license": "2845861",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "NY",
            "license": "2845861",
            "primary": false
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "PA",
            "license": "MD493562",
            "primary": true
        },
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "NJ",
            "license": "25MA09531900",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newark, DE

Sources for this page

Verify at the official NPI Registry.