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.
Listened to my concerns and addressed each one thoroughly.
(2 weeks ago)
Dec-2025
I have had three procedures with Dr Aguirre all successful and professional he is warm friendly and kind
(2 weeks ago)
Dec-2025
Infinitely better than my last GI, makes me more hopeful about my condition
(2 weeks ago)
Dec-2025
The Lion King. Super friendly. Totally in charge. A gentleman and a good listener.
(3 weeks ago)
Dec-2025
He is a wonderful doctor Such a kind spirit and soul I really like his energy. I feel safe with him.
(3 weeks ago)
Dec-2025
Amazing and listens very well and actually cares about what you say
(1 month ago)
Nov-2025
His advice has worked for me.
(1 month ago)
Nov-2025
Very easy to talk to and explains everything very clearly
(2 months ago)
Oct-2025
Congenial. Helpful. Very pleasant experience!!
(2 months ago)
Oct-2025
He is very kind and helpful.
(2 months ago)
Oct-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
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.
He is a wonderful doctor Such a kind spirit and soul I really like his energy. I feel safe with him.
Amazing and listens very well and actually cares about what you say
His advice has worked for me.
Very easy to talk to and explains everything very clearly
Congenial. Helpful. Very pleasant experience!!
He is very kind and helpful.