1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Clinic Center
  6. NPI Profile

CASTLE HEALTH CARE SERVICES INC.
NPI 1437474343
Clinic/Center - Mental Health (Including Community Mental Health Center) in Houston, TX

Active since April 03, 2010
6666 HARWIN DR STE 155, HOUSTON, TX 77036(832) 834-3830(972) 947-5309 Get Directions Write a Review

NPPES record last updated: December 10, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 10, 2025, May 22, 2022, Dec 17, 2021 and 7 more (10 updates tracked since 2020).

About Castle Health Care Services Inc. NPPES

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

CASTLE HEALTH CARE SERVICES INC. (NPI 1437474343) is a healthcare organization registered as a mental health (including community mental health center) in Houston, Texas and active in the NPI registry since April 2010. The organization lists Martha Nkemdilim Akinbile, Pmhnp-bc, Fnp-c, as its authorized official.

NPPES Registry Identity

NPI1437474343
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameCASTLE HEALTH CARE SERVICES INC.
Location Address6666 HARWIN DR STE 155Houston, TX 77036-2495
Mailing Address6666 Harwin Dr Ste 155Houston, TX 77036-2495 · (832) 834-3830 · Fax (972) 947-5309
Phone(832) 834-3830
Fax(972) 947-5309
Organization SubpartNo
Authorized OfficialMartha Nkemdilim AkinbilePmhnp-bc, Fnp-c · (832) 834-3830
Enumeration DateApril 3, 2010
Last NPPES UpdateDecember 10, 202510 updates tracked since enumeration
NPPES CertifiedDecember 10, 2025
✔ NPI 1437474343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Also ListedCommunity/Behavioral HealthTaxonomy 251S00000X
Also ListedClinic/Center · Infusion TherapyTaxonomy 261QI0500X
Also ListedClinic/Center · Primary CareTaxonomy 261QP2300X
6666 HARWIN DR STE 155, Houston, TX 77036
Open in Google Maps ↗

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 ›

Other Providers at the Same Location NPPES

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

MRS. MARTHA NKEMDILIM AKINBILE PMHNP-BC, FNP-C
Nurse Practitioner (Psychiatric/Mental Health)
6666 HARWIN DR STE 155
HOUSTON, TX 77036
Harris County (832) 834-3830

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 Castle Health Care Services Inc.'s NPI number?

The NPI number for Castle Health Care Services Inc. is 1437474343. It was assigned to this organization in the NPPES registry on April 3, 2010.

Where is Castle Health Care Services Inc. located?

Castle Health Care Services Inc. is located at 6666 Harwin Dr Ste 155, Houston, TX 77036. The listed phone number is (832) 834-3830.

What is Castle Health Care Services Inc.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

What insurance does Castle Health Care Services Inc. 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 3 other insurers list Castle Health Care Services Inc. 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 Castle Health Care Services Inc. was last updated on December 10, 2025. 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.