Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. DENNIS JOSEPH GRILL PH.D.
NPI 1164412516
Psychologist - Clinical in Fort Sam Houston, TX

Active since October 26, 2005
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER (MCHE-QD/CREDENTIALS), FORT SAM HOUSTON, TX 78234(210) 916-2460 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Male
  • Psychologist
  • Clinical

About DENNIS GRILL

This page provides the complete NPI Profile along with additional information for Dennis Grill, a provider established in Fort Sam Houston, Texas with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1164412516 assigned on October 2005. The practitioner's primary taxonomy code is 103TC0700X with license number 22863 (TX). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1164412516 Verify this NPI
Provider Name
DR. DENNIS JOSEPH GRILL PH.D.
Gender
Male
Entity Type
Individual
Location Address
3851 ROGER BROOKE DR BROOKE ARMY MEDICAL CENTER (MCHE-QD/CREDENTIALS) FORT SAM HOUSTON, TX 78234
Location Phone
(210) 916-2460
Mailing Address
5991 TEMERITY WAY BULVERDE, TX 78163
Mailing Phone
(830) 980-6192
Mailing Fax
(830) 980-6193
Is Sole Proprietor?
No
Enumeration Date
10-26-2005
Last Update Date
07-13-2026
Code Navigator

A clinical psychologist like Dennis Grill assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
22863
License State
TX
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Pediatrics
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
SAN ANTONIO, TX 78234
Preventive Medicine (Preventive Medicine/Occupational Environmental Medicine)
3851 ROGER BROOKE DR, MCHE-QD/CREDENTIALS
FORT SAM HOUSTON, TX 78234
Nurse Practitioner (Family)
3851 ROGER BROOKE DR, MCHE-QD/CREDENTIALS
FORT SAM HOUSTON, TX 78234
Dietitian, Registered
3851 ROGER BROOKE DR, MCHE-QF (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Physician Assistant (Medical)
3851 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Internal Medicine
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Nurse Anesthetist, Certified Registered
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
SAN ANTONIO, TX 78234
Anesthesiology
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Ophthalmology
3851 ROGER BROOKE DR, DEPT. OF OPHTHALMOLOGY
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3851 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Dietitian, Registered
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER, MCHE-QD (CREDENTIALS)
FORT SAM HOUSTON, TX 78234
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234
Emergency Medicine
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Nurse Anesthetist, Certified Registered
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Dietitian, Registered
3851 ROGER BROOKE DR, BROOKE ARMY MEDICAL CENTER
FORT SAM HOUSTON, TX 78234
Obstetrics & Gynecology
3851 ROGER BROOKE DR
SAN ANTONIO, TX 78234
Preventive Medicine (Occupational Medicine)
3851 ROGER BROOKE DR
FORT SAM HOUSTON, TX 78234
Social Worker (Clinical)
3851 ROGER BROOKE DR, MCHE-QD (CREDS)
FORT SAM HOUSTON, TX 78234

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164412516, enumerated as an "individual" on October 26, 2005.

The provider is located at 3851 ROGER BROOKE DR BROOKE ARMY MEDICAL CENTER (MCHE-QD/CREDENTIALS) FORT SAM HOUSTON, TX 78234 and the phone number is (210) 916-2460.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.