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

Clinical Psychologist

Karen A. Nelson Rietz

Sees patients in Iowa City, IA · Iowa

Summary

Karen A. Nelson Rietz is a clinical psychologist at 221 E College St, Suite 211, Iowa City, IA 52240. Phone: (319) 382-6930. Accepts Medicare assignment. NPI 1295721835. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Clinical psychologist
  • Address: 221 E College St, Suite 211, Iowa City, IA 52240 · Directions
  • Phone: (319) 382‑6930
  • Medicare: Accepts Medicare assignment
  • School: graduated 1995
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Karen A. Nelson Rietz, 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 Karen A. Nelson Rietz accept Medicare assignment?
Yes. Medicare's clinician data says Karen A. Nelson Rietz 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 Karen A. Nelson Rietz's NPI number?
1295721835. 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 Karen A. Nelson Rietz is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other clinicians: Clinical Psychologist, Iowa →

Other clinical psychologists in Iowa City

Clinicians with the same Medicare primary specialty in Iowa City, IA — not a recommendation.

All clinical psychologists in Iowa City →

Clinician information

Graduation year1995
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1295721835
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