Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CALM PSYCHIATRY, PLLC
NPI 1952166175
Registered Nurse - Psychiatric/Mental Health in Houston, TX

Q: What is Calm Psychiatry, PLLC's NPI number?

The NPI number for Calm Psychiatry, PLLC is 1952166175. It was assigned to this organization in the NPPES registry on February 16, 2024.

Q: What is Calm Psychiatry, PLLC's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, with taxonomy code 163WP0808X.

Active since February 16, 2024

9894 BISSONNET ST STE 590, HOUSTON, TX 77036(713) 485-5789(713) 485-5879 Get Directions Write a Review

NPPES record last updated: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Calm Psychiatry, Pllc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CALM PSYCHIATRY, PLLC (NPI 1952166175) is a healthcare organization registered as a psychiatric/mental health in Houston, Texas and active in the NPI registry since February 2024. The organization lists Sandra Onwuka, Np, as its authorized official.

NPPES Registry Identity

NPI1952166175

Entity TypeOrganization

Primary Taxonomy163WP0808X

Legal Business NameCALM PSYCHIATRY, PLLC

Location Address9894 BISSONNET ST STE 590Houston, TX 77036-8251

Mailing Address2927 Velda May DrRichmond, TX 77406-2846 · (832) 814-1637 · Fax (713) 485-5879

Phone(713) 485-5789

Fax(713) 485-5879

Organization SubpartNo

Authorized OfficialSandra OnwukaNp · (832) 814-1637

Enumeration DateFebruary 16, 2024

Last NPPES UpdateOctober 19, 2026

NPPES CertifiedOctober 19, 2026

✔ NPI 1952166175 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered Nurse · Psychiatric/Mental HealthNursing Service Providers

Taxonomy Code163WP0808X

9894 BISSONNET ST STE 590, Houston, TX 77036

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.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)

Calm Psychiatry, Pllc 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 Calm Psychiatry, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Sandra Onwuka

Nurse Practitioner

NPI 1831745751

16303 GRANT RD
Cypress, TX 77429

(832) 814-1637

✔ PECOS25 mi

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 Calm Psychiatry, PLLC's NPI number?

The NPI number for Calm Psychiatry, PLLC is 1952166175. It was assigned to this organization in the NPPES registry on February 16, 2024.

Where is Calm Psychiatry, PLLC located?

Calm Psychiatry, PLLC is located at 9894 Bissonnet St Ste 590, Houston, TX 77036. The listed phone number is (713) 485-5789.

What is Calm Psychiatry, PLLC's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Psychiatric/Mental Health, with taxonomy code 163WP0808X.

Is Calm Psychiatry, PLLC enrolled in Medicare?

Yes. Calm Psychiatry, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Calm Psychiatry, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Calm Psychiatry, PLLC. 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 Calm Psychiatry, PLLC accept?

Health plans from Blue Cross and Blue Shield of Texas list Calm Psychiatry, PLLC 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 Calm Psychiatry, PLLC was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 days 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.