Gary James Drouillard, M.D.
Psychiatry Physician · San Antonio, TX
Gary James Drouillard, M.D. is a psychiatry physician with a practice address in San Antonio, Texas, and NPI 1306836671, issued on Oct 26, 2005. Check the license (Texas Q4091, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Gary James Drouillard
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- Q4091 TX
Self-reported in NPPES; status is on the state search - Practice location
- 8550 Huebner RD, San Antonio, TX 78240
- Phone
- (210) 541-5300
- Enumerated
- Oct 26, 2005
- Record last updated
- Mar 4, 2025
- Fax
- (210) 541-5310
- Medicaid ID
- 3693087-01 TX
- Medicare enrollment
- Enrolled (PECOS I20170314000885); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1996
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 3,318 in Texas → Look up another NPI →
Also registered at 8550 Huebner RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Straight Line Arla, MDPsychiatry Physician1962660068
- Patricia Caballero, D.O.Psychiatry Physician1396782504
- Eveline Chuyeh-Tamfu, APRNRegistered Nurse1750883740
- Aaron Cobarruvias, LPCProfessional Counselor1124228408
- Belinda Deleon, MA, LPC, LMFTMarriage & Family Therapist1376601526
- Raquel Garcia-Priestly, DNP, APRN, PMHNPPsychiatric/Mental Health Nurse Practitioner1750987327
Verify Gary James Drouillard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license Q4091Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average psychiatry physician in 2024
609 Medicare Part D claims for 101 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.
Most prescribed
- Trazodone Hcl39 claims
- Quetiapine Fumarate27 claims
- Gabapentin26 claims
- Buprenorphine-Naloxone25 claims
- Albuterol Sulfate Hfa23 claims
- Escitalopram Oxalate22 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southwest Psychiatric ServicesSan Antonio, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary James Drouillard among 3,318 psychiatry physician records in Texas
Gary James Drouillard, M.D. is one of 3,318 psychiatry physician records with a practice address in Texas. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 45% of these records are
- Graduated1996 · median 2006 among the 1,481 with a school on file
- Record last updated2025 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Psychiatry Physician providers in Texas
There are 3,318 psychiatry physician records in Texas.
All 3,318 in Texas → Every provider in San Antonio → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Straight Line Arla, MDSan Antonio, TX 782401962660068
- Patricia Caballero, D.O.San Antonio, TX 782401396782504
- Rochelle Dennis, M.D.San Antonio, TX 782401205932282
- Yadira Hernandez, M.D.San Antonio, TX 782401538272521
- Joseph Hernandez, M.D.San Antonio, TX 782401164837696
- Matthew Hopkins, MDSan Antonio, TX 782401467634667
- Mikael Jacobson, M.D.San Antonio, TX 782401356364384
- Matthew Jeffreys, M.D.San Antonio, TX 782401801992441
Common questions
What is Gary James Drouillard, M.D.'s NPI number?
Gary James Drouillard, M.D.'s National Provider Identifier (NPI) is 1306836671, issued on Oct 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary James Drouillard, M.D. located?
The NPPES record lists a practice address at 8550 Huebner RD, San Antonio, TX, 78240. Phone: (210) 541-5300. Providers update this record themselves, so call before visiting.
How can I verify Gary James Drouillard, M.D.'s license?
NPPES lists Texas license number Q4091, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary James Drouillard, M.D. prescribe under Medicare Part D?
In 2024, Gary James Drouillard, M.D. had 609 Medicare Part D claims for 101 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.