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.
Dr. Aguirre is great! Makes you feel right at home. Answered all my questions and concerns. Fortunate to have him as my Doc!
(4 days ago)
Sep-2026
Dr Aguirre is wonderful. He diagnosed my husband’s celiac disease, cares for my mom through her gerd/IBS and advises me on how to stay healthy all while emanating warmth and genuine caring.
(6 days ago)
Sep-2026
Dr. Aguirre is thorough and inspires confidence. He’s also the friendliest and most personable physician I have seen in many years.
(2 weeks ago)
Sep-2026
My procedure went smooth and stress free as you can possibly imagine. All the staff were extremly polite and helpful in describing to how how the procedure would go. I had a very pleasant experience. I highly recommend Dr Aguirre and his staff.
(2 weeks ago)
Sep-2026
Such a great physician and my experience having an endoscopy was excellent! Highly reccomend Dr Aguirre!
(2 weeks ago)
Sep-2026
Dr Aguirre is awesome
(1 month ago)
Aug-2026
He’s fabulous
(1 month ago)
Aug-2026
Love Dr. Aguirre! He's kind, helpful, and has a great bedside manner. I feel heard.
(1 month ago)
Aug-2026
Thoughtful and caring
(1 month ago)
Aug-2026
I felt very comfortable, leaving his office and very assured. after I was home for an hour my blood pressure went down to 125/77 please report that to the doctor.
(1 month ago)
Aug-2026
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
Dr. Aguirre is great! Makes you feel right at home. Answered all my questions and concerns. Fortunate to have him as my Doc!
Dr Aguirre is wonderful. He diagnosed my husband’s celiac disease, cares for my mom through her gerd/IBS and advises me on how to stay healthy all while emanating warmth and genuine caring.
Dr. Aguirre is thorough and inspires confidence. He’s also the friendliest and most personable physician I have seen in many years.
My procedure went smooth and stress free as you can possibly imagine. All the staff were extremly polite and helpful in describing to how how the procedure would go. I had a very pleasant experience. I highly recommend Dr Aguirre and his staff.
Such a great physician and my experience having an endoscopy was excellent! Highly reccomend Dr Aguirre!
Dr Aguirre is awesome
He’s fabulous
Love Dr. Aguirre! He's kind, helpful, and has a great bedside manner. I feel heard.
Thoughtful and caring
I felt very comfortable, leaving his office and very assured. after I was home for an hour my blood pressure went down to 125/77 please report that to the doctor.