NPPES file of Aug 9, 2026

Dean S. Karahalios, DO

Pediatric Cardiology Physician · Madison, WI

Dean S. Karahalios, DO is a pediatric cardiology physician with a practice address in Madison, Wisconsin, and NPI 1891291704, issued on Apr 1, 2018. Check the license (Wisconsin 81958-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1891291704
Name
Dean S. Karahalios
Credential
DO
Primary taxonomy
Pediatric Cardiology Physician 2080P0202X
License numbers
81958-21 WI
036.168419 IL
Self-reported in NPPES; status is on the state search
Practice location
1675 Highland Ave, Madison, WI 53792
Phone
(608) 915-0420
Enumerated
Apr 1, 2018
Record last updated
Sep 4, 2025
Medicare enrollment
Enrolled (PECOS I20250916001627); may accept Medicare assignment
Medical or professional school
Midwestern University, Chicago College Of Osteopathic Med, 2018
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1675 Highland Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Talal Al Hendawi, MDStudent in an Organized Health Care Education/Training Program1104664143
  2. Erin Ard, MS, RDN, CDRegistered Dietitian1396435475
  3. Taiya Bach Streiffer, MPH, RD, CD,Pediatric Nutrition Registered Dietitian1811350762
  4. Catherine Bautch, PT, DPTPhysical Therapist1235063272
  5. Cassidy Bender, RNRegistered Nurse1033941034
  6. Julia Benjamin, PHDPsychologist1417472341

Verify Dean S. Karahalios in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 81958-21
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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Pediatric Cardiology Physician providers in Wisconsin

There are 72 pediatric cardiology physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other pediatric cardiology physician records in Wisconsin

  1. Osamah Aldoss, M.D.Milwaukee, WI1104043710
  2. Catherine Allen, M.D.Madison, WI1265673164
  3. Emily Backes, MDMadison, WI1740677194
  4. Heather Bartlett, MDMadison, WI1487649323
  5. Peter Bartz, M.D.Milwaukee, WI1497728794
  6. Daniel Beacher, M.D.Appleton, WI1942628466
  7. D Benson, MDMilwaukee, WI1710906185
  8. Joseph Block, MDMilwaukee, WI1316068364
  9. Jesse Boyett Anderson, MDMadison, WI1053818849
  10. Matthew Buelow, MDMilwaukee, WI1659513158

Common questions

What is Dean S. Karahalios, DO's NPI number?

Dean S. Karahalios, DO's National Provider Identifier (NPI) is 1891291704, issued on Apr 1, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Dean S. Karahalios, DO located?

The NPPES record lists a practice address at 1675 Highland Ave, Madison, WI, 53792. Phone: (608) 915-0420. Providers update this record themselves, so call before visiting.

How can I verify Dean S. Karahalios, DO's license?

NPPES lists Wisconsin license number 81958-21, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.