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DEAN S KARAHALIOS DO
NPI 1891291704
Pediatrics - Pediatric Cardiology in Madison, WI

Active since April 01, 2018PECOS Enrolled
1675 HIGHLAND AVE, MADISON, WI 53792(608) 915-0420 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 4, 2025, Jun 10, 2024 (2 updates tracked since 2024).

About Dean S Karahalios Do NPPES

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

DEAN S KARAHALIOS DO (NPI 1891291704) is an individual pediatric cardiology provider in Madison, Wisconsin, licensed in Wisconsin (81958-21) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS and maintains a secondary practice location in Chicago.

NPPES Registry Identity

NPI1891291704
Entity TypeIndividualMale
Primary Taxonomy2080P0202X
Provider Legal NameDEAN S KARAHALIOSCredential: DO
Location Address1675 HIGHLAND AVEMadison, WI 53792-0002
Mailing Address7974 Uw Health CtMiddleton, WI 53562-5531
Phone(608) 915-0420
Sole ProprietorYes
Enumeration DateApril 1, 2018
Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2025
✔ NPI 1891291704 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0202X
Licenses✔ Licensed in WI · 81958-21✔ Licensed in IL · 036.168419
Definition
A pediatric cardiologist provides comprehensive care to patients with cardiovascular problems. This specialist is skilled in selecting, performing and evaluating the structural and functional assessment of the heart and blood vessels, and the clinical evaluation of cardiovascular disease.
1675 HIGHLAND AVE, Madison, WI 53792
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Secondary Practice Location 1

Location 1225 E Chicago AveChicago, IL 60611-2991 · Phone (312) 227-4000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare) and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dean S Karahalios Do 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 Dean Karahalios reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

University Of Wisconsin Medical Foundation, Inc
4.8 mi
Multi-Specialty
7974 UW HEALTH COURT
Middleton, WI 53562
  • Reassigned Medicare billing, Wisconsin enrollment
  • 2,832 clinicians in this Medicare group
NPI 1598784555 (608) 829-5485

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.

ERIN VAN SAMBEEK ERNST RN IBCLC
Registered Nurse (Lactation Consultant)
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 890-8227
CAROLINE NAKAMURA SLP
Speech-Language Pathologist
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 915-0650
CASSIDY LYNN BENDER RN
Registered Nurse
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-7337
DR. ANNE M MARSH M.D.
Pediatrics (Pediatric Hematology-Oncology)
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-9540
TALAL AL HENDAWI MD
Student in an Organized Health Care Education/Training Program
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 890-7221
AMANDA MARIE FABRY OTR, OTD
Occupational Therapist
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 890-5437
EMILY ANN ELDER PHARMD, MPH
Pharmacist (Pediatrics)
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (608) 263-7337
TODD ROBERT SHELDON M.A.
Audiologist
1675 HIGHLAND AVE
MADISON, WI 53792
Dane County (082) 623-1476

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 Dean Karahalios's NPI number?

The NPI number for Dean Karahalios is 1891291704. It was assigned to this individual provider in the NPPES registry on April 1, 2018.

Where is Dean Karahalios located?

Dean Karahalios practices at 1675 Highland Ave, Madison, WI 53792. The listed phone number is (608) 915-0420.

What is Dean Karahalios's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Cardiology, with taxonomy code 2080P0202X.

Is Dean Karahalios enrolled in Medicare?

Yes. Dean Karahalios is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Dean Karahalios's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dean Karahalios reassigns Medicare benefits to University Of Wisconsin Medical Foundation, Inc (Middleton, WI). 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 Dean Karahalios's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dean Karahalios accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, CareSource (Common Ground Healthcare), HealthPartners and Network Health and 2 other insurers list Dean Karahalios 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 Dean Karahalios was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.