Rocio A. Harbison, MD, FACE

Rocio A. Harbison, MD, FACE.

Dr. Harbison is board certified in Endocrinology. She graduated from the University of Puerto Rico. She completed her Internal Medicine Residency at St Vincent’s Hospital in Indianapolis, Indiana and her Fellowship in Endocrinology, Diabetes, and Metabolism at the University of Michigan in Ann Arbor, Michigan. She was faculty at the University of Texas Health Science Center Houston and worked in a large group practice prior to founding Advanced Endocrinology and Diabetes Clinic.

Dr. Harbison believes that the patient physician relationship is a partnership focused on the long-term health and well being.
Dr Harbison is fluent in English and Spanish..


Reshma Markan, MD

Reshma Markan, MD

Dr. Reshma Markan is double board certified in Endocrinology, Diabetes and Metabolism and Internal medicine.

She completed her Residency in Internal medicine and Fellowship in Endocrinology at Froedtert and Medical College of Wisconsin, Milwaukee.

Her clinical interest includes treating patients with Type 1 and 2 Diabetes Mellitus, Gestational Diabetes, Thyroid disease, Polycystic ovarian syndrome, Male Hypogonadism , Parathyroid Disorder, Pituitary and Bone disease. She is very passionate about weight loss.

Dr. Markan believes that the foundation of the doctor-patient relationship is based on trust and mutual respect. She believes in listening to her patients and communicating with them and the few extra minutes it takes to truly understand a patient’s difficulty in managing the illness is large part of treating the entire patient.

Dr.Markan is fluent in English, Hindi and Punjabi


Diane Y. Jang, PA-C

Michelle Hecht, RD, LD

Diane is a licensed physician assistant graduated from Rice University with a bachelor’s degree in public health. Upon graduation, she received a master’s degree in physician assistant studies from Baylor College of Medicine in Houston with a special interest in endocrinology.

Since lifestyle modification and adherence to treatment plans are crucial in the management of many illnesses, Diane believes in empowering her patients to take the ownership of their own health by strong patient-clinician rapport.

Diane is fluent in English and Korean.


Michelle Hecht, RD, LD

Michelle Hecht, RD, LD

Michelle is a licensed and registered dietitian nutritionist. She graduated from the University of Texas at Austin with Honors in Nutrition in 2015 and completed her dietetic internship at the University of Texas at Austin in 2016. Upon finishing school, she lived in northern Italy teaching nutrition to students.

Michelle stands by the medicinal, holistic approach to nutrition therapy and believes that nourishing the body with the right food is essential for strengthening the body, mind and spirit.

In her spare time, she enjoys running, spending time outdoors, cooking and catching up with friends.



Insurance Information

We accept most major types of insurance. To confirm that we accept your insurance plan please call our office at 713-796-9466 and our staff will assist you. You will be charged your designated insurance co-pay amount at the time of your visit.


P (713) 796-9466
F (713) 796-9467
7400 Fannin Street, Suite 855
Houston, TX 77054