UNCHARTED TERRITORY MENTAL HEALTH PLLC
NPI 1841892551
Nurse Practitioner - Psychiatric/Mental Health in Houston, TX

Q: What is Uncharted Territory Mental Health PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since November 09, 2020CLIA Certified · 2 labs

507 N SAM HOUSTON PKWY E STE 165, HOUSTON, TX 77060(832) 546-0643 Get Directions Write a Review

NPPES record last updated: November 9, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Uncharted Territory Mental Health Pllc NPPES

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

UNCHARTED TERRITORY MENTAL HEALTH PLLC (NPI 1841892551), doing business as Uncharted Territory Mental Health Services, is a healthcare organization registered as a psychiatric/mental health in Houston, Texas and active in the NPI registry since November 2020. The organization holds 2 active CLIA laboratory certificates and lists William Jemal Hill, Ceo, as its authorized official.

NPPES Registry Identity

NPI1841892551

Entity TypeOrganization

Primary Taxonomy363LP0808X

Legal Business NameUNCHARTED TERRITORY MENTAL HEALTH PLLC

Location Address507 N SAM HOUSTON PKWY E STE 165Houston, TX 77060-4081

Mailing Address23126 Bayleaf DrSpring, TX 77373-6486 · (318) 268-5619

Phone(832) 546-0643

Organization SubpartNo

Authorized OfficialWilliam Jemal HillCeo · (832) 546-0643

Enumeration DateNovember 9, 2020

NPPES CertifiedNovember 9, 2020

✔ NPI 1841892551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X

Also ListedRegistered NurseTaxonomy 163W00000X

Also ListedClinic/Center · Adult Mental HealthTaxonomy 261QM0850X

507 N SAM HOUSTON PKWY E STE 165, Houston, TX 77060

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Other Names 1

Doing Business AsUncharted Territory Mental Health Services

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D2263217

Uncharted Territory Health Services · Texarkana, TX

Active · expires Jun 23, 2028

CLIA Number45D2263217

Laboratory TypePractitioner Other

Certificate Effective DateJune 24, 2026

Certificate Expiration DateJune 23, 2028

Laboratory DirectorWilliam J. Hill

Laboratory Phone(832) 546-0643

Laboratory LocationUncharted Territory Health Services1301 Hazel St, Texarkana, TX 75501

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2203393

Unchartered Territory Mental Health PLLC · Houston, TX

Active · expires Dec 2, 2026

CLIA Number45D2203393

Laboratory TypePractitioner Other

Certificate Effective DateDecember 3, 2024

Certificate Expiration DateDecember 2, 2026

Laboratory DirectorWilliam J. Hill

Laboratory Phone(832) 546-0643

Laboratory LocationUnchartered Territory Mental Health PLLC507 N Sam Houston Pkwy Suite 165, Houston, TX 77060

CLIA data matches this NPI record on: Phone

This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SERENITY HEALTH AND WELLNESS

Nurse Practitioner (Family)

507 N SAM HOUSTON PKWY E STE 165
HOUSTON, TX 77060

Harris County (888) 258-1156

WILLIAM HILL

Nurse Practitioner (Psychiatric/Mental Health)

507 N SAM HOUSTON PKWY E STE 165
HOUSTON, TX 77060

Harris County (832) 546-0643

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 Uncharted Territory Mental Health PLLC's NPI number?

The NPI number for Uncharted Territory Mental Health PLLC is 1841892551. It was assigned to this organization in the NPPES registry on November 9, 2020. The provider is doing business as Uncharted Territory Mental Health Services.

Where is Uncharted Territory Mental Health PLLC located?

Uncharted Territory Mental Health PLLC is located at 507 N Sam Houston Pkwy E Ste 165, Houston, TX 77060. The listed phone number is (832) 546-0643.

What is Uncharted Territory Mental Health PLLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Does Uncharted Territory Mental Health PLLC hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

What insurance does Uncharted Territory Mental Health PLLC accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Uncharted Territory Mental Health 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 Uncharted Territory Mental Health PLLC was last updated on November 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.