CALMISTRY MENTAL HEALTH LLC
NPI 1811843758
Nurse Practitioner - Psychiatric/Mental Health in Houston, TX
About Calmistry Mental Health Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CALMISTRY MENTAL HEALTH LLC (NPI 1811843758) 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 Tonya Williams, 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)
Calmistry Mental Health 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 Calmistry Mental Health 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 Calmistry Mental Health LLC's NPI number?
The NPI number for Calmistry Mental Health LLC is 1811843758. It was assigned to this organization in the NPPES registry on March 4, 2026.
Where is Calmistry Mental Health LLC located?
Calmistry Mental Health LLC is located at 440 Louisiana St Ste 900, Houston, TX 77002. The listed phone number is (281) 683-5478.
What is Calmistry Mental Health LLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Calmistry Mental Health LLC enrolled in Medicare?
Yes. Calmistry Mental Health LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Calmistry Mental Health LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Calmistry Mental Health 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 Calmistry Mental Health LLC accept?
Health plans from Blue Cross and Blue Shield of Texas list Calmistry Mental Health 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 Calmistry Mental Health LLC was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Calmistry Mental Health Llc · NPI 1811843758
Psychiatric/Mental Health organization in Houston, Texas. Organization record, active in the CMS NPPES registry since March 4, 2026.
## Identity
- **NPI:** 1811843758 (Entity type: Organization)
- **Enumerated:** March 4, 2026
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **Organization subpart:** No
- **Authorized official:** Tonya Williams, OWNER
## Practice location
- **Address:** 440 LOUISIANA ST STE 900, Houston, TX 77002-1062
- **Phone:** (281) 683-5478
## 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:** August 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1811843758) · Data from the CMS NPPES public registry.