TRISHA DIANE OVERVAAG
NPI 1215546155
Nurse Practitioner - Psychiatric/Mental Health in Phoenix, AZ
About Trisha Diane Overvaag NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TRISHA DIANE OVERVAAG (NPI 1215546155) is an individual psychiatric/mental health provider in Phoenix, Arizona, licensed in Arizona (244751) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Surprise, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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 (PECOS)
Trisha Diane Overvaag is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Trisha Overvaag reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Phoenix, AZ 85042
- Reassigned Medicare billing, Arizona enrollment
- 282 clinicians in this Medicare group
Phoenix, AZ 85040
- Reassigned Medicare billing, Arizona enrollment
- 137 clinicians in this Medicare group
Tempe, AZ 85282
- Reassigned Medicare billing, Arizona enrollment
- 58 clinicians in this Medicare group
Phoenix, AZ 85050
- Reassigned Medicare billing, Arizona enrollment
- 6 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 85042 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Trisha Overvaag's NPI number?
The NPI number for Trisha Overvaag is 1215546155. It was assigned to this individual provider in the NPPES registry on July 27, 2020.
Where is Trisha Overvaag located?
Trisha Overvaag practices at 610 E Baseline Rd Ste 5, Phoenix, AZ 85042. The listed phone number is (602) 230-7373.
What is Trisha Overvaag's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Trisha Overvaag enrolled in Medicare?
Yes. Trisha Overvaag is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Trisha Overvaag's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Trisha Overvaag reassigns Medicare benefits to 4 organizations: Denova Collaborative Health, LLC (Phoenix, AZ), Southwest Behavioral Health Services (Phoenix, AZ), Spectrum Healthcare Group, Inc. (Tempe, AZ) and Phoenix Psychology And Counseling LLC (Phoenix, AZ). Each 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 Trisha Overvaag's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Trisha Overvaag accept?
Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc, Oscar Health Plan, Inc. and UnitedHealthcare list Trisha Overvaag 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 Trisha Overvaag was last updated on December 12, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.