Psychiatrist | Addiction Psychiatry | 30+ years experience

Dr. Gary James Drouillard, M.D.

8550 Huebner Rd, San Antonio, Texas, 78240-1803

About Dr. Gary James Drouillard

Dr. Gary James Drouillard is a psychiatrist based in San Antonio, Texas with 30 years of experience in Addiction Psychiatry. He completed his graduation from University Of Texas Medical School At San Antonio in 1996. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. Gary James Drouillard is Q4091 for Psychiatry in Texas. His current practice location is 8550 Huebner Rd, San Antonio. Patients can contact him at 210-541-5300 or can fax him at 210-541-5310. Dr. Gary James Drouillard, M.D., specializes in Addiction Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1306836671.

Dr. Gary James Drouillard focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

Practice Information

Dr. Gary James Drouillard's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Gary James Drouillard
Specialization Addiction Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 30+ years
Medical School Attended University Of Texas Medical School At San Antonio
Graduation Year 1996
Gender Male
Practice Address: 8550 Huebner Rd,
San Antonio, TX - 78240-1803
Fax 210-541-5310

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

PAC ID 0345525374
Enrollment ID I20170314000885
NPI Number1306836671
NPI Enumeration Date: 26 Oct, 2005
NPI Last Update On: 04 Mar, 2025

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Gary James Drouillard are as mentioned below.

License NumberSpecializationStateStatus
Q4091Psychiatry TexasPrimary
Q4091Addiction Psychiatry TexasSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Dr. Gary James Drouillard is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Mcallen Hospitalist Group Pllc (9830113836)92

Other Medical Identifiers

Other professional identifiers associated with Dr. Gary James Drouillard such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
8GP147OtherTexasBCBS
3693087-01MedicaidTexas

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Gary James Drouillard
1450 W Long Lake Rd Ste 340,
Troy, MI - 48098-6330
Phone: 248-905-5091
Fax: 248-905-5096

Book an Appointment with Dr. Gary James Drouillard

To schedule an appointment, contact Dr. Gary James Drouillard at 8550 Huebner Rd, San Antonio, Texas or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gary James Drouillard:

Dr. Gary James Drouillard is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Dr. Gary James Drouillard completed his education (M.D.) from University Of Texas Medical School At San Antonio in 1996.

Dr. Gary James Drouillard has approximately 30 years of experience in Psychiatry.

Yes, Dr. Gary James Drouillard accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. Gary James Drouillard is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Gary James Drouillard practices at 8550 Huebner Rd, San Antonio, Texas, 78240-1803.

To schedule an appointment with Dr. Gary James Drouillard, please contact the office at 210-541-5300.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.