DR. KAREN ANN NELSON RIETZ PHD
NPI 1295721835
Psychologist - Counseling in Iowa City, IA
About Dr. Karen Ann Nelson Rietz Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KAREN ANN NELSON RIETZ PHD (NPI 1295721835) is an individual counseling provider in Iowa City, Iowa, licensed in Iowa (0811) and active in the NPI registry since September 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1995).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Karen Ann Nelson Rietz Phd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Karen Nelson Rietz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Iowa City, IA 52240
- Reassigned Medicare billing, Iowa enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
IOWA CITY, IA 52240
IOWA CITY, IA 52240
IOWA CITY, IA 52240
IOWA CITY, IA 52240
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Karen Nelson Rietz's NPI number?
The NPI number for Karen Nelson Rietz is 1295721835. It was assigned to this individual provider in the NPPES registry on September 20, 2005. The provider is also known as Dr. Karen Ann Nelson Phd.
Where is Karen Nelson Rietz located?
Karen Nelson Rietz practices at 221 E College St Ste 211, Iowa City, IA 52240. The listed phone number is (319) 382-6930.
What is Karen Nelson Rietz's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Counseling, with taxonomy code 103TC1900X.
Is Karen Nelson Rietz enrolled in Medicare?
Yes. Karen Nelson Rietz is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Karen Nelson Rietz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Karen Nelson Rietz reassigns Medicare benefits to Clarity Counseling Services LLC (Iowa City, IA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Karen Nelson Rietz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Karen Nelson Rietz accept?
Health plans from Wellmark Health Plan of Iowa, Inc. list Karen Nelson Rietz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Karen Nelson Rietz was last updated on March 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.