1. Home
  2. Directory
  3. Connecticut
  4. Hartford
  5. Nurse Practitioner
  6. NPI Profile

KATERINA ELIZABETH MARY MADDERN DNP, AGNP-C
NPI 1508638263
Nurse Practitioner - Adult Health in Hartford, CT

Active since October 26, 2023
185 ASYLUM ST, HARTFORD, CT 06103(866) 686-2504 Get Directions Write a Review

NPPES record last updated: October 26, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Katerina Elizabeth Mary Maddern Dnp, Agnp-c NPPES

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

KATERINA ELIZABETH MARY MADDERN DNP, AGNP-C (NPI 1508638263) is an individual adult health provider in Hartford, Connecticut, licensed in Connecticut (12349) and active in the NPI registry since October 2023.

NPPES Registry Identity

NPI1508638263
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameKATERINA ELIZABETH MARY MADDERNCredential: DNP, AGNP-C
Location Address185 ASYLUM STHartford, CT 06103-3408
Mailing Address29 Carina RdNorth Haven, CT 06473-2404 · (203) 928-8050
Phone(866) 686-2504
Sole ProprietorNo
Enumeration DateOctober 26, 2023
NPPES CertifiedOctober 26, 2023
✔ NPI 1508638263 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in CT · 12349
185 ASYLUM ST, Hartford, CT 06103
Open in Google Maps ↗

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by Kevin ***** September 30, 2025

5/5
Dr. Maddern is amazing at what she does! You can tell that she enjoys her job, and it translates into her work. Highly recommend
Provider 5/5 Office Staff 5/5
Visited this provider? Share your experience.

Other Providers at the Same Location NPPES 10

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

DAVID COURTNEY MD
Emergency Medicine
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (866) 949-0108
MS. NOVELYN CULBENGAN COSMIANO APRN
Nurse Practitioner (Adult Health)
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (860) 383-9370
AUDREY MAUREEN KEMP AGPCNP-BC
Nurse Practitioner (Gerontology)
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (860) 573-8625
KERRYANN MCCOOTY-LAWRENCE APRN
Nurse Practitioner (Family)
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (860) 861-1357
HATTY L TSAI M.D.
Internal Medicine
185 ASYLUM ST, 7TH FLOOR
HARTFORD, CT 06103
Capitol Planning Region (860) 308-5367
LINDA CHEA LA NP
Nurse Practitioner (Acute Care)
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (833) 749-2009
URMILA MAINALI FNP-C
Nurse Practitioner (Family)
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (775) 313-3108
MS. JOEL E BURNS FNP-C
Nurse Practitioner (Family)
185 ASYLUM ST
HARTFORD, CT 06103
Capitol Planning Region (866) 949-0108

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 Katerina Maddern's NPI number?

The NPI number for Katerina Maddern is 1508638263. It was assigned to this individual provider in the NPPES registry on October 26, 2023.

Where is Katerina Maddern located?

Katerina Maddern practices at 185 Asylum St, Hartford, CT 06103. The listed phone number is (866) 686-2504.

What is Katerina Maddern's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

When was this NPI record last updated?

The NPPES record for Katerina Maddern was last updated on October 26, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.