About Kelly M. O'Brien, MD

Kelly M. O'Brien, MD, has earned a strong reputation for providing excellent medical care in a caring and professional environment. The clinic, founded in 1968, is designed with patient comfort in mind and offers a range of state-of-the-art diagnostic and ancillary services. Patients appreciate Dr. O'Brien's thoroughness and her attentive bedside manner. She takes the time to listen and genuinely cares about her patients' personal, professional, mental, and emotional well-being. Many patients have been with her for years and trust her knowledge and expertise. The staff is described as kind and professional, contributing to a positive experience at the clinic. With services including laboratory, cardiology, imaging, and nutrition education, the clinic aims to meet the comprehensive healthcare needs of its patients.

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Reviews for Kelly M. O'Brien, MD

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May 2026
Dr. O’Brien listens to me, which is a huge advantage for the patient! She takes her time in explaining her diagnosis and what I can expect from the treatment/prescriptions she is recommending. I have complete confidence in her advice. She and her staff are so helpful and always make time to see me/fit me in when I am struggling with my symptoms. Cannot say enough good things about Dr. O’Brien. Very glad I found her!
May 2026
I have been her patient as far as she started her practice at Medical Clinic of Houston.
She is the most knowledgeable, patient and precise PCP I ever had. She takes time, ask questions and prescribe and gives directions. Even though she has a full schedule, if I call for more urgent issues, she let me in the same day or next day.
She is very knowledgeable, patient and caring for her patients
I am lucky knowing her
Aug 2023
Absolutely love Dr. O’Brien
Extremely knowledgeable and an incredible listener
Dr.O’Brien has navigated me through many health issues
I would highly recommend her!