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DR. ANNE SCHWIRCK WILLENBORG M.D.
NPI 1801844006
Pediatrics in Mansfield Center, CT

Active since May 04, 2006PECOS Enrolled
12A LEDGEBROOK DR, MANSFIELD CENTER, CT 06250(860) 423-2960(860) 423-3719 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Anne Schwirck Willenborg M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ANNE SCHWIRCK WILLENBORG M.D. (NPI 1801844006) is an individual pediatrics provider in Mansfield Center, Connecticut, licensed in Connecticut (035631) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1801844006
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. ANNE SCHWIRCK WILLENBORGCredential: M.D.
Location Address12A LEDGEBROOK DRMansfield Center, CT 06250-1664
Mailing Address12a Ledgebrook DrMansfield Center, CT 06250-1664 · (860) 423-2960 · Fax (860) 423-3719
Phone(860) 423-2960
Fax(860) 423-3719
Sole ProprietorNo
Enumeration DateMay 4, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1801844006 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CT · 035631
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
12A LEDGEBROOK DR, Mansfield Center, CT 06250
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Anne Schwirck Willenborg M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Anne Willenborg reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Prohealth Physicians PC
31 mi
Family Medicine
3 FARM GLEN BLVD, PROHEALTH PHYSICIANS
Farmington, CT 06032
  • Reassigned Medicare billing, Connecticut enrollment
  • 496 clinicians in this Medicare group
NPI 1720194053 (860) 284-5200

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 06250 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.86 typical visit price
range $60.82 – $183.10
Typical copayment $23.46 (range $15.20 – $45.77)
Most-billed visit code 99203
Established Patient
$106.68 typical visit price
range $19.76 – $149.26
Typical copayment $26.67 (range $4.94 – $37.31)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUZANNE M POWELL MD
Pediatrics
12A LEDGEBROOK DR
MANSFIELD CENTER, CT 06250
Capitol Planning Region (860) 423-2960
DR. CRAIG RUSSELL ELLIOTT M.D.
Pediatrics
12A LEDGEBROOK DR
MANSFIELD CENTER, CT 06250
Capitol Planning Region (860) 423-2960
MARY WATTICK SUTTERFIELD APRN FNP-C
Nurse Practitioner (Family)
12A LEDGEBROOK DR
MANSFIELD CENTER, CT 06250
Capitol Planning Region (860) 423-2960
DR. RONALD WOLZ KELLY M.D.
Pediatrics
12A LEDGEBROOK DR
MANSFIELD CENTER, CT 06250
Capitol Planning Region (860) 423-2960
FERNANDO MATEO LOZADA
Pediatrics
12A LEDGEBROOK DR
MANSFIELD CENTER, CT 06250
Capitol Planning Region (860) 423-2960
DR. THOMAS HARRISON GORIN M.D.
Pediatrics
12A LEDGEBROOK DR
MANSFIELD CENTER, CT 06250
Capitol Planning Region (860) 423-2960

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Anne Willenborg's NPI number?

The NPI number for Anne Willenborg is 1801844006. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Anne Willenborg located?

Anne Willenborg practices at 12A Ledgebrook Dr, Mansfield Center, CT 06250. The listed phone number is (860) 423-2960.

What is Anne Willenborg's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Anne Willenborg enrolled in Medicare?

Yes. Anne Willenborg is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anne Willenborg's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anne Willenborg reassigns Medicare benefits to Prohealth Physicians PC (Farmington, CT). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anne Willenborg's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Anne Willenborg was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.