LEONIE MILLEN
NPI 1386232932
Counselor - Mental Health in Katy, TX
About Leonie Millen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEONIE MILLEN (NPI 1386232932) is an individual mental health provider in Katy, Texas, licensed in Texas (85088) and active in the NPI registry since January 2021. She is enrolled in Medicare PECOS and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
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
Leonie Millen 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 Leonie Millen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Katy, TX 77494
- Reassigned Medicare billing, Texas 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
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 Leonie Millen's NPI number?
The NPI number for Leonie Millen is 1386232932. It was assigned to this individual provider in the NPPES registry on January 8, 2021.
Where is Leonie Millen located?
Leonie Millen practices at 25807 Westheimer Pkwy Ste 480, Katy, TX 77494. The listed phone number is (805) 377-3602.
What is Leonie Millen's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Leonie Millen enrolled in Medicare?
Yes. Leonie Millen 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 Leonie Millen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leonie Millen reassigns Medicare benefits to The Aqueduct Ministries (Katy, 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 Leonie Millen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Leonie Millen accept?
Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Imperial Insurance Companies, Inc., Moda Health Plan, Inc. and Oscar Health and 2 other insurers list Leonie Millen 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 Leonie Millen was last updated on October 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Leonie Millen · NPI 1386232932
Mental Health provider in Katy, Texas. Individual provider, active in the CMS NPPES registry since January 8, 2021.
## Identity
- **NPI:** 1386232932 (Entity type: Individual)
- **Enumerated:** January 8, 2021
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** 85088 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 25807 WESTHEIMER PKWY STE 480, Katy, TX 77494-5333
- **Phone:** (805) 377-3602
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** The Aqueduct Ministries (NPI 1790565018, Katy, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** October 3, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1386232932) · Data from the CMS NPPES public registry.