Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pediatric Medicine

Nicolas L. Madsen, MD

Sees patients in Dallas, TX · Texas

Summary

Nicolas L. Madsen, MD (Pediatric Medicine) is enrolled with Medicare at 1 practice location in Dallas, TX. NPI 1245348374. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Nicolas L. Madsen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
21Years since medical school (graduated 2005)
University Of Washington School Of MedicineMedical school
MaleGender (as listed)
University of Texas Southwestern Medical Center at DallasGroup practice

Quick answers

Where does Nicolas L. Madsen see patients?
Medicare's clinician data lists 1 practice location in Dallas, TX. Call before your visit to confirm the address.
What is Nicolas L. Madsen's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Nicolas L. Madsen accept Medicare assignment?
Yes. Medicare's clinician data says Nicolas L. Madsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Nicolas L. Madsen?
(214) 456-2383, as listed in official Medicare / NPI Registry data.
What is Nicolas L. Madsen's NPI number?
1245348374. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Nicolas L. Madsen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicolas L. Madsen as a member of this group (CMS data updated 2026-10-02).

  • University of Texas Southwestern Medical Center at Dallas3,187 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in Texas →

Other pediatricians in Dallas

Clinicians with the same Medicare primary specialty in Dallas, TX — not a recommendation.

All pediatricians in Dallas →

Clinician information

CredentialMD
Medical schoolUniversity Of Washington School Of Medicine
Graduation year2005
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245348374
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians