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Doctor and Staff



  • Subspecialty Certificate in Surgery of the Hand
  • Diplomate American Board of Orthopaedic Surgeons
  • Fellow American Academy of Orthopaedic Surgeons
  • Qualified Medical Evaluator (QME)


  • Hand Surgery Fellowship: Tufts / New England Medical Center Boston, Massachusetts 1999-2000
  • Orthopaedic Surgery Residency: Los Angeles County / University of Southern California Medical Center 1994-1999
  • Doctor of Medicine, State University of New York Health Science Center at Brooklyn, August 1990 to May 1994
  • Bachelor's Degree in Physiology: University of California San Diego

Society Memberships

  • American Society for Surgery of the Hand (Member)
  • American Association for Hand Surgery (Member)
  • American Academy of Orthopaedic Surgeons (Fellow)
  • California Orthopaedic Association
  • California Medical Association
  • California Society of Industrial Medicine & Surgery
  • Ventura County Medical Association

University Affiliation

  • Adjunct Professor of Clinical Medicine at the Keck School of Medicine, University of Southern California.

Hospital Affiliations

  • Los Robles Regional Medical Center
  • Thousand Oaks Surgical Hospital
  • Los Robles Surgicenter
  • Medical Director of the Specialty Surgical Center Westlake Village

My feeling has always been, if something happens to your hands, wrists, or elbows, you need the best hand surgeon in the world ... (read more)

Stacey - Practice Administrator

Stacey came to us 8 years ago with 10 years of previous management experience. She helps keep us running smoothly by creating systems and procedures that enhance our patient’s experiences and simplify our lives. These systems and procedures provide you, the patient, with streamlined, efficient, up to date, and superior services. Please find her in the office or call her anytime with any questions or suggestions that you may have. She’s on board to make sure that we are always exceeding your expectations!



Gabby has been in the medical field for 9 years. She is a floater in the office; helping wherever she is needed. Her background is in Urgent Care and Family Practice and she is excited to break ground in orthopedics. She enjoys the fast paced office environment while engaging in one on one patient care. She also assists Dr. Cohen with applying casts and splints and helps with the phones, scheduling appointments and filling out any necessary forms you will need for work, school or disability.



Jo has been in the orthopedic world for over 15 years, 14 of those years as an orthopedic technician. She is experienced in all forms of orthopedics, but has specialized with hands, feet and spine exclusively. The creator of the designer/glitter cast, she enjoys making the best out of everything. "Casts are temporary, but the memory of a fun cast can last forever." She also assists Dr. Cohen in the back office, making sure the office flow runs smoothly and that our patients are taken care of in a timely manner.



At the end of your appointment with us you will meet Mo. Mo has a diverse background working many years as a director, in retail and management, customer service, and in health and wellness. Equally as diverse as her background are her roles in the office. From scheduling patients to checking out patients, Mo brings a smile to the job. She is enthusiastic about our patients and goes beyond to ensure you have a good experience through the final moments of your time with us.



With an extensive background in project management, planning, and proofreading, since 2009, Nancy has been our Medical Reporting and Transcription Supervisor and Med-Legal Coordinator. In addition to preparing and overseeing our daily reporting, she is the liaison between the doctor and the Plaintiff and Defense attorneys who retain Dr. Cohen or Dr. Rudin as an Expert Witness and handles all of the doctors’ Expert Witness med-legal work. Her attention to detail, compassion, and meticulous work ethic help to ensure that we deliver the highest degree of care and service.



Norma is the friendly voice you hear on the other end of the line when you have appointment or surgical billing questions. She has worked closely with Dr. Cohen since 2001 and entered her career in medicine as an occupational therapy aide. Norma understands the intricacies of the practice and insurance billing. When you are in need of surgery she will walk you through the steps and make every aspect of your surgical experience as easy as possible. She is always in the office or just a phone call away to gladly answer any billing questions that you may have.



Pete came to our office with previous management experience and a keen eye for finance. You can find Pete in the billing department. He processes all insurance bills and handles all insurance appeals. If you have ever gotten frustrated calling your health insurance company, you would understand what Pete goes through every day! He continues to handle all patient and insurance calls with a smile on his face as his goal is to help our patients understand their bills and the insurance company understand our claims.