TRISTA LOUISE GROSSNICKLE PMHNP
NPI 1346993763
Nurse Practitioner - Psychiatric/Mental Health in Clarinda, IA
About Trista Louise Grossnickle Pmhnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRISTA LOUISE GROSSNICKLE PMHNP (NPI 1346993763) is an individual psychiatric/mental health provider in Clarinda, Iowa, licensed in Iowa (G167240) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, is affiliated with Clarinda Regional Health Center, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Group Practice 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
Trista Louise Grossnickle Pmhnp 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 Trista Grossnickle reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clarinda, IA 51632
- Reassigned Medicare billing, Iowa enrollment
- Also billed through NPI 1255489647 (Iowa)
- 130 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Clarinda Regional Health Center
Critical Access Hospitals · Clarinda, IAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 51632 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Trista Grossnickle's NPI number?
The NPI number for Trista Grossnickle is 1346993763. It was assigned to this individual provider in the NPPES registry on January 27, 2022.
Where is Trista Grossnickle located?
Trista Grossnickle practices at 400 W Glenn Miller Dr, Clarinda, IA 51632. The listed phone number is (712) 542-8354.
What is Trista Grossnickle's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Trista Grossnickle enrolled in Medicare?
Yes. Trista Grossnickle 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 Trista Grossnickle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trista Grossnickle reassigns Medicare benefits to Clarinda Regional Health Center (Clarinda, 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 Trista Grossnickle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Trista Grossnickle accept?
Health plans from Oscar Health, Oscar Insurance Company, UnitedHealthcare and Wellmark Health Plan of Iowa, Inc. list Trista Grossnickle 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.
Is Trista Grossnickle affiliated with any hospitals?
According to CMS data, Trista Grossnickle is affiliated with Clarinda Regional Health Center.
When was this NPI record last updated?
The NPPES record for Trista Grossnickle was last updated on January 27, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.