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Family Practice

Thomas Kuciejczyk-Kernan, MD

Sees patients in Saint Louis, MO · Missouri

Summary

Dr. Thomas Kuciejczyk-Kernan, MD is a family doctor at 1717 Biddle St, Saint Louis, MO 63106. Phone: (314) 814-8700. Accepts Medicare assignment. NPI 1669478970. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 1717 Biddle St, Saint Louis, MO 63106 · Directions (1 more location)
  • Phone: (314) 814‑8700
  • Medicare: Accepts Medicare assignment
  • Group practice: Affinia Healthcare
  • Medical school: Saint Louis University School Of Medicine · graduated 1989 (37 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas Kuciejczyk-Kernan, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Thomas Kuciejczyk-Kernan accept Medicare assignment?
Yes. Medicare's clinician data says Thomas Kuciejczyk-Kernan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Thomas Kuciejczyk-Kernan's NPI number?
1669478970. 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 Thomas Kuciejczyk-Kernan is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Thomas Kuciejczyk-Kernan as a member of this group (CMS data updated October 2, 2026).

  • Affinia Healthcare28 clinicians in the group

Specialties

Find other Family Practice doctors in Missouri →

Other family doctors in Saint Louis

Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.

All family doctors in Saint Louis →

Other clinicians in Affinia Healthcare

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolSaint Louis University School Of Medicine
Graduation year1989 (37 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669478970
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 October 2, 2026, retrieved October 29, 2026
  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