The Manhattan Collaborative is a NY-based group comprised of 22 members. 


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This large group of top-level clinicians meet in the heart of Manhattan in order to connect with one another - thereby creating community and partnership. 

A wide range of topics are discussed within the healthcare industry and business - be it patient communications, practice philosophies, finances or ethics.

Our Next Meeting 



Andy Koenigsberg, Prosthodontics

Ariel D. Teitel, Rheumatology

Beth C. Steinberg, Acupuncture

Bradley Radwaner, Cardiologist

Camilla E. Mager, Psychology

Clifford Bassett, Allergist

Dana Cohen, Doctor of Medicine

Dana Shaw, Psychiatry

Gail Schupak, Orthodontics

Gary Ostrow, Osteopathy

George Mussalli, Obstetrics

James Jacobs, Periodontics

Jaqueline Worth, Obstetrics

Jiuan Heng, Homeopathy

Joseph K. Askinasi, Chiropractic and Kinesiology

Lee Marcus, Cardiologist

Michael Gelb, Sleep Apnea

Michael Zhuang, Wealth Management

Peter Rumford, Physical Therapy

Ryan Johnson, Physical Therapy

Slava Grinman, Licensed Psychotherapist

Steve Kaplan, Endodontics