Catherine Michelle Teskin, DO

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

C2-0024337 Issued in DE

Practice address

Christiana Hospital 4755 Ogletown-Stanton Rd
Newark, DE 19718-0001

Phone

(302) 320-4411

NPI assigned

Apr 4, 2018

Sex

Female

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in DE

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 1

Specialty

Internal MedicineAlso: Rheumatology

Education

Edward Via Col of Osteo Medicine-Virginia Campus, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Christiana Care Health Services IncGroup PAC ID 9739097569, 1,480 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Christiana Hospital Hospital, Newark, DE, CCN 080001
• Union Hospital of Cecil County Hospital, Elkton, MD, CCN 210032

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy

Practice roles

Locations

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.

• Christiana Care Health Services, Inc

  • Endocrinology, Diabetes & Metabolism Physician
  • Wilmington, DE
  • NPI 1770568107
  Medicare reassignment Care Compare group NPD
• Christiana Care Health Services Inc.

  • Rheumatology Physician
  • Newark, DE
  • NPI 1215975149
  NPD
• Christiana Care Health Services Inc

  • Neurology Physician
  • Chadds Ford, PA
  • NPI 1881228484
  NPD
• Christiana Care Health Services, Inc

  • Family Medicine Physician
  • Hockessin, DE
  • NPI 1134104565
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Christiana Care Health Services, Inc.

  • General Acute Care Hospital
  • Wilmington, DE
  • NPI 1134194038
  Care Compare affiliation
• Union Hospital of Cecil County

  • General Acute Care Hospital
  • Elkton, MD
  • NPI 1376523357
  Care Compare affiliation

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

{
    "created_epoch": "1522800000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1779148800000",
    "number": "1770089112",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 W 14TH ST",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198011013",
            "telephone_number": "302-320-4411"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "CHRISTIANA HOSPITAL 4755 OGLETOWN-STANTON RD",
            "city": "NEWARK",
            "state": "DE",
            "postal_code": "197180001",
            "telephone_number": "302-320-4411"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "501 W 14th St",
            "address_purpose": "LOCATION",
            "city": "Wilmington",
            "state": "DE",
            "postal_code": "198011013",
            "country_code": "US",
            "telephone_number": "302-320-4411",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TESKIN",
        "first_name": "CATHERINE",
        "middle_name": "MICHELLE",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-04-04",
        "last_updated": "2026-05-19",
        "certification_date": "2026-05-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "DE",
            "license": "C2-0024337",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Tender Hearts Services LLC
• Cathy Teoli-Lavallee, LPCMH, LCDP
• Diane B Terranova, APN
• Danielle Terry, SLP
• Biruck Tesfaye, DPM
• Abel Tessema, PA-C
• Lisa M Testa
• Vivian Testa
• Arpankumar Thaker, M.D.
• Joseph Htay Naing Than, MD

• Rheumatology Physician in Newark, DE
• Providers in Newark, DE by specialty
• Rheumatology Physician in Delaware

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.