Dr. Thomas Aguirre, M.D., was born and raised in East Los Angeles. He grew up the eldest of three boys. He became the first physician in his family when he graduated from the University of Southern California Keck School of Medicine. He met his wife prior to medical school. They now have three wonderful sons. They lived in Tucson, Arizona prior to moving to Santa Barbara.
Fellowship:University of Arizona Health Sciences
Internship:Santa Barbara Cottage Hospital
Residency:Santa Barbara Cottage Hospital
Medical School:University of Southern California – Keck School of Medicine
Dr. Thomas Aguirre, M.D., was born and raised in East Los Angeles. He grew up the eldest of three boys. He became the first physician in his family when he graduated from the University of Southern California Keck School of Medicine. He met his wife prior to medical school. They now have three wonderful sons. They lived in Tucson, Arizona prior to moving to Santa Barbara.
Fellowship:University of Arizona Health Sciences
Internship:Santa Barbara Cottage Hospital
Residency:Santa Barbara Cottage Hospital
Medical School:University of Southern California – Keck School of Medicine
The reviews listed below were collected independently of Unio Health Partners through rater8. Each review represents an authentic and verified patient experience.
He is nice and caring . And very very good at his job ! He is an amazing Dr
(1 week ago)
Feb-2026
Very thorough and positive- appreciated his caring willingness to help me
(3 weeks ago)
Feb-2026
I actually liked him! Great personality and he seems caring. I made the right choice!
(3 weeks ago)
Jan-2026
Wonderful Doctor.
Knowledgeable and caring.
(3 weeks ago)
Jan-2026
Friendly and knowledgeable.
(1 month ago)
Jan-2026
Professional and informative
(1 month ago)
Jan-2026
Listened to my concerns and addressed each one thoroughly.
(2 months ago)
Dec-2025
I have had three procedures with Dr Aguirre all successful and professional he is warm friendly and kind
(2 months ago)
Dec-2025
Infinitely better than my last GI, makes me more hopeful about my condition
(2 months ago)
Dec-2025
The Lion King. Super friendly. Totally in charge. A gentleman and a good listener.
(2 months ago)
Dec-2025
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GI-Santa Barbara
2403 Castillo St Suite 201 Santa Barbara, CA 93105
Dr. Thomas Aguirre, M.D., was born and raised in East Los Angeles. He grew up the eldest of three boys. He became the first physician in his family when he graduated from the University of Southern California Keck School of Medicine. He met his wife prior to medical school. They now have three wonderful sons. They lived in Tucson, Arizona prior to moving to Santa Barbara.
Fellowship:University of Arizona Health Sciences Internship:Santa Barbara Cottage Hospital Residency:Santa Barbara Cottage Hospital Medical School:University of Southern California – Keck School of Medicine
Professional Affiliations: American College of Gastroenterology (ACG) American Society for Gastrointestinal Endoscopy (ASGE) Central Coast Medical Association
Specialties and Services: ERCP (Endoscopic Retrograde Cholangiopancreatography) Colonoscopy Upper Endoscopy Colon Cancer Screening Esophageal Motility Interventional Biliary Endoscopy (ERCP) Capsule Endoscopy Gastrostomy (feeding) Tube placement, replacement, and removal General Hepatology Digestive disease consultations
He is nice and caring . And very very good at his job ! He is an amazing Dr
Very thorough and positive- appreciated his caring willingness to help me
I actually liked him! Great personality and he seems caring. I made the right choice!
Wonderful Doctor. Knowledgeable and caring.
Friendly and knowledgeable.
Professional and informative
Listened to my concerns and addressed each one thoroughly.
I have had three procedures with Dr Aguirre all successful and professional he is warm friendly and kind
Infinitely better than my last GI, makes me more hopeful about my condition
The Lion King. Super friendly. Totally in charge. A gentleman and a good listener.