Our Team

Louis Obergh, PT, DPT, CSCS, CEAS

Owner and Director of Advance PT with over 20 years of clinical and teaching experience. Dr. Obergh received his doctorate from Touro College and is currently teaching graduate Exercise Physiology students at Adelphi University.

Dr. Anthony Bueti PT, DPT

In 2009, Dr. Bueti graduated with his Bachelor’s Degree in Science from Juniata College. He then graduated from Drexel University with a Doctorate in Physical Therapy in 2012.  Anthony works at both the Wantagh and Lindenhurst locations at Advance Physical Therapy. He has continued his education by obtaining certifications in various areas to treat both orthopedic and neurological conditions. He focuses his practice on providing specialized care with a hands-on approach to each individual patient based on their needs. Professional interests include providing balance and vestibular therapy.


  • Fyzical Senior Balance Retrainer Level 2 (Balance/Vestibular)
  • Advanced Ergonomics Test Administration Training Certified
  • ImPACT Trained Physical Therapist (Concussions)
  • Strategic Orthopedics (Headaches)
  • Neuro-Ifrah (Stroke, Traumatic Brain Injury)
  • Functional Movement Systems
  • K Laser Class 4 Therapeutic Laser

Dr. Sean Marek, DPT

Born and raised on Long Island, Dr. Marek received his Bachelor’s Degree in Biological Sciences from Binghamton University in 2010. He earned another Bachelor’s Degree in Health Sciences and then his Clinical Doctorate of Physical Therapy at Touro College in 2014, where he received awards for both academic excellence and clinical research. Since joining the Advance Physical Therapy team in 2015, Sean continues to develop and implement quality and individualized treatment plans for each of his patients. He is certified for both Level I & II of the Fyzical Balance and Vestibular Course & Examination, and he currently works in both the Lindenhurst and Wantagh offices.


  • Fyzical Senior Balance Retainer Level 2 (Balance/Vestibular)
  • Advanced Ergonomics Test Administration Training Certified
  • K Laser Class 4 Therapeutic Laser

Jala Gilliam DPT