About Us

Greater Pittsburgh Medical Weight Loss has developed a revolutionary Hormone & Metabolism Weight Loss Program to help patients who are struggling with weight loss to achieve their optimal potential. By understanding each patient’s hormones and metabolism, our weight loss plans are a 100% personalized to help unlock your hormones, increase your metabolism and lose weight.

Darren Dubyak D.C., ABAAHP, CFMP

As an expert nutrition, weight loss and natural pain medicine physician, Dr. Dubyak has helped thousands of patients in the past 15 years. Graduating from the University of Pittsburgh in 2000 with a Sports Medicine degree, he further continued his education with a Doctorate of Chiropractic from the National University of Health Sciences in 2004. Dr. Dubyak is a Diplomate from the American Academy of Anti-Aging, Certified Functional Medicine Practitioner and Certified Nutritional IV Therapy Specialist.

Tim Dancy M.D.

Dr. Dancy is a sports medicine specialist with expertise in the non-operative care of orthopaedic, musculoskeletal and other pain-related conditions. A graduate of Davidson College, he received his medical degree from the University of North Carolina School of Medicine. After completing a residency in Family Medicine at Shadyside Hospital, he then pursued advanced training as a fellow in Primary Care Sports Medicine at the University of Pittsburgh Medical Center. Dr. Dancy is Certified in Nutrition IV Therapy and has a passion to help patients through a holistic and functional medicine approach.

Maria Dubyak, Certified Health Coach

Maria first started in the wellness industry as a Weight Watchers leader in the Pittsburgh region in 2004. Through successfully helping thousands of clients, Maria quickly became a top leader and trainer for Weight Watchers. As a mom, Maria understands the difficulties of managing proper nutrition and exercise with the responsibilities of running a family. Her excitement and passion to help other women achieve their weight loss and wellness goals has her allowed to become a top local nutrition coach for women’s health.

Kallista Dennis, Fitness Nutrition Specialist

With her personal experience of battling Celiac disease and chronic fatigue syndrome, Kallista has a passion to help patients find an all-natural approach in supporting their health goals. As a fitness nutrition specialist and certified yoga instructor, Kallista has helped hundreds of patients reach their weight goals, increase energy and get their life back. Over the past 5 years, Kallista has worked with integrative and functional medicine practitioners in helping find the underlying cause of patient health issues. Through functional lab testing, customized programs and working one-on-one with patients, Kallista is the go-to coach in getting patients back to the way they want to feel.

Bernadette Kabay, Certified Lifestyle Educator

With over 15 years’ experience in functional medicine and weight loss, Bernadette helps clients through behavior lifestyle changes. Supporting clients with active listening, accountability and guidance, Bernadette works one-on-one with you in understanding your wellness needs and then creates a road map in order to achieve those nutritional goals.


We are a physician-supervised medical weight loss program where we offer comprehensive lab testing, hormone-based weight loss therapies, online health coaching and an easy to use dietary plan to balance your hormones and lose weight

Integrative Doctors

With a network of integrative doctors, we look at each person holistically in developing a 100% personalized program. By focusing on the hormones that control weight loss, our weight loss plans are a multifaceted approach in losing weight and balancing hormones.

Program Success

With having multiple centers in the Pittsburgh area, Greater Pittsburgh Medical Weight Loss network of physicians have seen 1000’s of patients successfully lose weight, balance their hormones and increase their metabolism.

100% Personalized

With each person’s hormones and metabolism different than the next person, our weight loss programs are 100% personalized to each person. Because we tailor each program based off of your hormones and goals, our programs have great success in reaching each person’s weight loss potential.

Weight Loss Therapies

Our centers use a combination of hormone and metabolism weight loss therapies to help patients balance their hormones and lose weight. With the latest advancements in hormone science, our therapies can help support you in losing weight, increasing your metabolism, and getting more energy.

One-on-One Support

Through our Medi360 Connect weight loss app, our health coaches will work with you each step of the way on your weight loss journey. Meal plans, recipes, grocery lists and cooking videos combined with online tracking from your coach makes this program a huge success with patients

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*This website is for educational purposes only. Results may vary between clients. Expect to lose 1-2lbs per week. Greater Pittsburgh Medical Weight Loss does not treat, diagnose, or cure any diseases. Please seek your physicians advice before starting any weight loss program. Results may vary between clients.

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