Our Practitioners

Health team

Our practitioners have over 40 years of combined experience in integrative medicine.

“This practice truly cares about your well-being. They are fully engaged when you are in the appointment and love that they will also correspond through the portal and by phone.”

Beverly G.


Dr. Ron Manzanero, Alternative Holistic Medical Doctor. Family Medicine Practitioner.

Ronald Manzanero, MD

Integrative Medicine Physician

Areas of expertise:

Cardiometabolic conditions like Type 2 Diabetes, weight concerns, and high cholesterol

Thyroid conditions (hypothyroidism, Hashimoto’s, Grave’s Disease) or symptoms (fatigue, “brain fog”, insomnia, etc), including medical management.

Dr. Ronald Manzanero is a physician with over 30 years of experience in integrative medicine.

He is the co-founder of the Center for Collaborative Medicine (CCM), and the former co-founder of Modern Medicine and Modern Thyroid.

Dr. Manzanero graduated from the University of Texas Medical Branch in 1984 and completed his residency training in Family Medicine in 1990 at the University of Massachusetts Medical Center.

His interest in alternative holistic medicine began in his pre-med days in college.  Since becoming a medical doctor, Dr. Manzanero has spent many years studying nutrition, functional medicine, intravenous therapies, and completed a 4-year masters course in classical homeopathy.

Dr. Manzanero has shared his knowledge and wisdom with many successful local practitioners, instructing them on the art of practicing integrative medicine.

Sara Klopp, Certified Physician Assistant who specializes in thyroid conditions and hormonal imbalances in women.

Sara Klopp, PA-C

Board-Certified Physician Assistant

Areas of expertise:

Thyroid conditions (including prescription management)
Hormonal imbalances (pre-and-post-menopausal)
Mood Imbalances
Metabolic Syndrome: high blood pressure, high blood sugar, excess body fat, and issues with cholesterol or triglyceride levels.

Sara is a board-certified physician assistant providing healing and medical care to the Austin community since 2004.  She received her Master’s Degree from the University of Oklahoma.  Sara has worked with Dr. Ron Manzanero since their prior days in 2017 at Modern Thyroid Clinic.

“I have felt so fortunate to help others in my career, working in many different areas of medicine including primary care, gastroenterology, and internal medicine, where I managed many people with acute and chronic issues, including thyroid disorders, diabetes and hormonal concerns.

I am passionate about the more holistic and integrative way of practicing medicine.

Evaluation involves so much more than just checking basic labs and giving out pills, and I am here for you to put those puzzle pieces together!”

Sara Klopp, PA-C

Thyroid Gurus

Telemedicine-Based Practice

Experts in Thyroid, Cardiometabolic Conditions, and Female Hormonal Imbalances

Contact Us

Contact our scheduling department today to make a telemedicine appointment.