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

Marriage and Family Therapist

Aaron J. Trnka

Sees patients in Saint Paul, MN · Knoxville, TN · Minnesota, Tennessee

Summary

Aaron J. Trnka (Marriage and Family Therapist) is enrolled with Medicare at 2 practice locations in Saint Paul, MN and Knoxville, TN. NPI 1689986556. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Aaron J. Trnka, 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

Marriage and Family TherapistPrimary specialty
May acceptAccepts Medicare assignment
6Years since medical school (graduated 2020)
MaleGender (as listed)

Quick answers

Where does Aaron J. Trnka see patients?
Medicare's clinician data lists 2 practice locations, including Saint Paul, MN and Knoxville, TN. Call before your visit to confirm the address.
What is Aaron J. Trnka's specialty?
Medicare lists Marriage and Family Therapist as the primary specialty.
Does Aaron J. Trnka accept Medicare assignment?
Medicare's clinician data says Aaron J. Trnka may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is Aaron J. Trnka's NPI number?
1689986556. 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 Aaron J. Trnka is enrolled with Medicare (CMS data updated 2026-10-02).

Specialties

Find other clinicians: Marriage and Family Therapist, Minnesota →

Other marriage and family therapists in Saint Paul

Clinicians with the same Medicare primary specialty in Saint Paul, MN — not a recommendation.

All marriage and family therapists in Saint Paul →

Clinician information

Graduation year2020
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1689986556
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