KEYSTONE MENTAL HEALTH GROUP LLC
NPI 1689529968
Nurse Practitioner - Psychiatric/Mental Health in Houston, TX
About Keystone Mental Health Group Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEYSTONE MENTAL HEALTH GROUP LLC (NPI 1689529968) is a healthcare organization registered as a psychiatric/mental health in Houston, Texas and active in the NPI registry since March 2026. The organization lists Marybeth Asenime, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keystone Mental Health Group Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Keystone Mental Health Group LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Keystone Mental Health Group LLC's NPI number?
The NPI number for Keystone Mental Health Group LLC is 1689529968. It was assigned to this organization in the NPPES registry on March 2, 2026.
Where is Keystone Mental Health Group LLC located?
Keystone Mental Health Group LLC is located at 510 Waugh Dr, Houston, TX 77019. The listed phone number is (832) 452-9867.
What is Keystone Mental Health Group LLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Keystone Mental Health Group LLC enrolled in Medicare?
Yes. Keystone Mental Health Group LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Keystone Mental Health Group LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Keystone Mental Health Group LLC. A 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 the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Keystone Mental Health Group LLC accept?
Health plans from Blue Cross and Blue Shield of Texas list Keystone Mental Health Group LLC 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 Keystone Mental Health Group LLC was last updated on March 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Keystone Mental Health Group Llc · NPI 1689529968
Psychiatric/Mental Health organization in Houston, Texas. Organization record, active in the CMS NPPES registry since March 2, 2026.
## Identity
- **NPI:** 1689529968 (Entity type: Organization)
- **Enumerated:** March 2, 2026
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Marybeth Asenime, OWNER
## Practice location
- **Address:** 510 WAUGH DR, Houston, TX 77019-2002
- **Phone:** (832) 452-9867
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 2, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1689529968) · Data from the CMS NPPES public registry.