Doctors of Physical Therapy

You're in great hands! Our DPTs have worked hard to achieve clinical excellence, and they will be by your side every step of the way to get you out of pain so you can do the things you love!

Geno Mayes

A native of SC, Dr. Mayes earned a business degree from Furman where he was part of their Nationally Ranked Division I Soccer Team. He then launched a successful corporate career before pursuing his passion for physical therapy and opening Iron PT in 2011.

Dr. Mayes is well respected by athletes and has been quoted by Runner's World Magazine and interviewed by Business Insider and ABC news.

Dr. Mayes resides in Caldwell with his wife and two daughters. He’s an avid runner, Ironman triathlete and loves CrossFit. Click to read full interview with Dr. Mayes...

Marnie Wortman

Dr. Wortman serves as the Clinic Director for Iron Physical Therapy’s Midland Park Location.

She earned her Doctorate in Physical Therapy from Richard Stockton College of NJ and has over 10 years of clinical experience.

Dr. Wortman has completed rigorous courses in Active Release Technique (ART), The McKenzie Method, Kinesio Taping, Spinal Manipulation and IASTM. 

She's an avid runner and triathlete who also loves to CrossFit (certified as a Level 1 Trainer). Click to read interview with Dr. Wortman..

Dr. Lindsay Chambers.jpg

Dr. Chambers earned her Doctorate in Physical Therapy from Drexel University and has over 8 years of clinical experience.

She’s Vestibular Rehabilitation Certified and has completed additional training in Kinesio Taping, Concussion Rehab, Yoga in Medicine, Graston Technique and Active Release Technique.

Dr. Chambers stays active running, skiing, hiking, doing yoga and chasing around her two adorable kiddos. She’s also a master gardener who loves to paint and travel. Click to read interview with Dr. Chambers…


Dr. Castania has over 10 years of experience as a physical therapist. He's always had a strong passion for athletics, playing various sports including basketball, track and field, football and hockey. He continues to lead an active lifestyle by running, golfing and lifting weights.

Dr. Castania holds certifications in Active Release Technique (ART), Titleist Golf Performance, Rocktape FMT Blades and Functional Movement Assessment (SFMA). 

As a certified Primal Health Coach, Dr. Castania also has expertise in nutrition and overall health. Click to read interview with Dr. Castania...

The Staff

Here are a few of the special people that help make us the Best Physical Therapy in Essex County. They will work to ensure you get the most out of your insurance and Physical Therapy, be there to answer your questions, and always make you smile along the way!