Anne Schwirck Willenborg, M.D.

Primary specialty

Pediatrics PhysicianTaxonomy code 208000000X

License

035631 Issued in CT

Practice address

12A Ledgebrook Dr
Mansfield Center, CT 06250-1664

Phone

(860) 423-2960

Fax

(860) 423-3719

NPI assigned

May 4, 2006

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 CT

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: anne.willenborg.npi1801844006.phpct@direct.optumcare.masshiway.net

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.

• Prohealth Physicians PC

  • Family Medicine Physician
  • Farmington, CT
  • NPI 1720194053

  Pediatrics

  Medicare reassignment NPD
• Mansfield Pediatrics LLC

  • Pediatrics Physician
  • Mansfield Center, CT
  • NPI 1285729780
  NPD (past)

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

{
    "created_epoch": "1146700800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1801844006",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12A LEDGEBROOK DR",
            "city": "MANSFIELD CENTER",
            "state": "CT",
            "postal_code": "062501664",
            "telephone_number": "860-423-2960",
            "fax_number": "860-423-3719"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12A LEDGEBROOK DR",
            "city": "MANSFIELD CENTER",
            "state": "CT",
            "postal_code": "062501664",
            "telephone_number": "860-423-2960",
            "fax_number": "860-423-3719"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLENBORG",
        "first_name": "ANNE",
        "middle_name": "SCHWIRCK",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-04",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "CT",
            "license": "035631",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• David S Wheeler, PH.D.
• Joanna White, DR.
• Cynthia Virts Wickless, PHD
• Maxwell David Wilbour, PHARM.D.
• Christopher John Wildenhain
• Blenda D Williams, MSW
• Dylan Ross Williams, RN, PMHNP-BC
• Susan Grace Williams, LMFT
• Kristen Jean Wilmot, PA-C
• Windham Rheumatology, LLC

• Pediatrics Physician in Mansfield Center, CT
• Providers in Mansfield Center, CT by specialty
• Pediatrics Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.