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DR. CATHERINE ANNE HANSEN MD
NPI 1083666200
Pediatrics - Neonatal-Perinatal Medicine in Danbury, CT

Active since May 16, 2006PECOS Enrolled
24 HOSPITAL AVE, DANBURY, CT 06810(914) 772-8642(914) 772-8642 Get Directions Write a Review

NPPES record last updated: September 13, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 13, 2022, Mar 17, 2018 (2 updates tracked since 2018).

About Dr. Catherine Anne Hansen Md NPPES

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

DR. CATHERINE ANNE HANSEN MD (NPI 1083666200) is an individual neonatal-perinatal medicine provider in Danbury, Connecticut, licensed in New York (162288) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in New York.

NPPES Registry Identity

NPI1083666200
Entity TypeIndividualFemale
Primary Taxonomy2080N0001X
Provider Legal NameDR. CATHERINE ANNE HANSENCredential: MD
Location Address24 HOSPITAL AVEDanbury, CT 06810-6099
Mailing Address42 Split Rock LnNew Rochelle, NY 10804-3438 · (914) 235-2559 · Fax (212) 939-1841
Phone(914) 772-8642
Fax(914) 772-8642
Sole ProprietorYes
Enumeration DateMay 16, 2006
Last NPPES UpdateSeptember 13, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 13, 2022
✔ NPI 1083666200 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080N0001X
Licenses✔ Licensed in NY · 162288✔ Licensed in CT · 49937
Definition
A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.
24 HOSPITAL AVE, Danbury, CT 06810
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Secondary Practice Location 1

Location 1506 Malcolm X Blvd, Harlem Hospital Peds DepartmentNew York, NY 10037-1802 · Phone (212) 939-1912 · Fax (212) 939-1841

Other Identifiers 1

Medicaid00906592NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Catherine Anne Hansen Md 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 Catherine Hansen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Connecticut Children's Specialty Group, Inc.
46 mi
Pediatrics
282 WASHINGTON ST
Hartford, CT 06106
  • Reassigned Medicare billing, Connecticut enrollment
  • 601 clinicians in this Medicare group
NPI 1669448882 (860) 545-9000

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

Other Providers at the Same Location NPPES 20

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

DR. ANDREW CALIGIURI D.O.
Emergency Medicine
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-7000
GARRETT JAFFE
Nurse Anesthetist, Certified Registered
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-7118
DR. SUHANKI RAJAPAKSA M.D
Student in an Organized Health Care Education/Training Program
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-4973
MR. PETER X ZHANG PA-C
Physician Assistant (Surgical)
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-7000
CHRISTIE ALLEN
Nurse Practitioner (Acute Care)
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-7000
DANBURY OFFICE OF PHYSICIAN SERVICES, P.C.
Anesthesiology
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 797-7442
REBECCA E. PIKE M.D.
Internal Medicine
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-7000
JACOB BARTEL LOTSTEIN M.D.
Emergency Medicine
24 HOSPITAL AVE
DANBURY, CT 06810
Western Connecticut Planning Region (203) 739-7100

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 Catherine Hansen's NPI number?

The NPI number for Catherine Hansen is 1083666200. It was assigned to this individual provider in the NPPES registry on May 16, 2006.

Where is Catherine Hansen located?

Catherine Hansen practices at 24 Hospital Ave, Danbury, CT 06810. The listed phone number is (914) 772-8642.

What is Catherine Hansen's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Is Catherine Hansen enrolled in Medicare?

Yes. Catherine Hansen is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Catherine Hansen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Catherine Hansen reassigns Medicare benefits to Connecticut Children's Specialty Group, Inc. (Hartford, 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 Catherine Hansen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Catherine Hansen accept?

Health plans from Anthem Blue Cross and Blue Shield list Catherine Hansen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Catherine Hansen was last updated on September 13, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.