DR. MARIAH LEIGH MONTGOMERY PHD
NPI 1033984414
Psychologist in Austin, TX
About Dr. Mariah Leigh Montgomery Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIAH LEIGH MONTGOMERY PHD (NPI 1033984414) is an individual psychologist in Austin, Texas, licensed in Texas (39922) and active in the NPI registry since November 2023. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
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 (PECOS)
Dr. Mariah Leigh Montgomery Phd is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mariah Montgomery reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Austin, TX 78731
- Reassigned Medicare billing, Texas enrollment
- 136 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.
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.
AUSTIN, TX 78723
AUSTIN, TX 78723
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 Mariah Montgomery's NPI number?
The NPI number for Mariah Montgomery is 1033984414. It was assigned to this individual provider in the NPPES registry on November 16, 2023. The provider is also known as Mariah Montgomery Stickley.
Where is Mariah Montgomery located?
Mariah Montgomery practices at 4900 Mueller Blvd, Austin, TX 78723. The listed phone number is (713) 819-5273.
What is Mariah Montgomery's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Mariah Montgomery enrolled in Medicare?
Yes. Mariah Montgomery is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mariah Montgomery's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Montgomery reassigns Medicare benefits to Tri-County Clinical (Austin, TX). 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 Mariah Montgomery's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mariah Montgomery accept?
Health plans from Harbor Health, Moda Health Plan, Inc., Sendero Health Plans, Local Nonprofit and WellPoint list Mariah Montgomery 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 Mariah Montgomery was last updated on November 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.