Delaware Medical Group Management Association

Board of Directors

Joseph F. Richichi

Joe has been working in health care for 32 years, holding senior level financial management positions in 4 hospitals in Delaware and New Jersey. Joe was with Christiana Care Health System for 18 years. In his last position, Joe was Vice President of Operations and Business Development. During his tenure with CCHS Joe was responsible for several ancillary business units and lead the most aggressive expansion of those services into the community from 2004 through 2009.  Joe has now taken his entrepreneurial efforts and personalized them by creating 4 of his own companies.  Healthcare Operations Management Enterprises, LLC (HOME) is a one stop shop consulting company for physician practices. The other companies include: Thrive Real Life Independence, LLC which is a job placement and training agency for the intellectually challenged. Delmarva Scanning Solutions, LLC is a scanning and digital imaging services company. The 4th business is Centurion Ventures Associates, LLC which provides marketing collateral and website design and maintenance for various businesses.

Linda Hynson

 President-Elect and Program Chair

Linda is a native of Delaware.   Linda graduated from Smyrna High School and attended the University of Delaware. Married, husband Marc with 21 year old twin sons Andrew and Adam.  Linda has worked in the Healthcare field in Delaware for 35 years.  She is presently employed as Practice Administrator for The Woman’s Place at St. Francis Hospital in Wilmington. She is a long time member of DMGMA.  She is also a member of the Delaware Healthcare Network.  Linda is a member of the Saint Georges Historical Society and volunteers for the Delaware Department of Elections.  Her interests include spending time at the beach and reading.

Patricia Cannon

Vice President/Membership Chair

Pat is a graduate of Hahnemann University earning a degree in Science. I am a Registered Respiratory Therapist and Neonatal Pediatric Specialist (RRT/NPS). After working in a critical care setting for many years, Pat graduated from Eastern University with a degree in Business. Pat is currently the Practice Administrator for Gastroenterology Associates, PA.

Pat was married for 42 years, and is recently widowed. She has two sons, a daughter-in-law and grandchildren that keep her very busy. She also enjoys reading and spending time with friends.       


Joseph Stokes


Joe Stokes entered healthcare management in 1979 as Beebe Hospital’s Business Operations Manager. From 1985-2007 he was Administrator of Dickinson Medical Group, a multi-specialty group in Milford that was primarily orthopaedics. From 2007-2011 Joe was Director of the Physician Network at Nanticoke Health Services. Joe is currently self-employed as a consultant.

Joe has been an active DMGMA member for years. He has served as DMGMA Treasurer, President-Elect and as President (2006-07). Joe is married with 3 children and 3 grandchildren.

Sandy Lenhard


Sandy has been in the medical field for 20 years. She is currently the Practice Manager for the Abel Center for Oculofacial Plastic Surgery. She also owns her own billing company called Laureate Medical Systems.  She is affiliated with the ASOA, AAOE, and the HBMA.  Her interests include spending time with her family, boating and reading.


Cindy Potts

Nominating Chair

Cindy has been in the medical field for 27 years.  She is currently the Director of the Billing Department for PRO Physical Therapy, but also has experience in other areas such as Ophthalmology, Radiology, Respiratory Therapy and DME.  Cindy’s interests include spending time with her family, traveling and gardening.

Heinz J. Dommert MBA, MS, CMPE

Heinz is Director of Revenue Cycle & Business Development for Continuum Health Alliance CHA, LLC managing reimbursement operations and assessing practices for new business opportunities.  He is board certified by ACMPE through the national Medical Group Management Association.   Heinz is a subject matter expert in financial operations, applying management science principles and quality control application to healthcare.  Heinz has numerous published articles and papers on a multitude of healthcare subjects as Applying  Lean Thinking to Healthcare (MSD), Scenario Forecasting for Capital Investments (HFMA) and The Future of Healthcare Savings Accounts (HLNDV) to name a few.  .

Patricia Isherwood

Patricia Isherwood began her Bayhealth career in 1999 and is currently the Oncology Practice Manager, overseeing the office operations and business office.  Through out her Bayhealth career, Patricia has held other positions in the Laboratory, Finance and Guest Relations.  Patricia is fluent in Spanish and has special interests in healthcare diversity. She is also a member of the American College of Healthcare Executives (ACHE).

 Lynn Robinson

Lynn is the Physician Relations Coordinator for the Medical Society of Delaware. Prior to that, she served as the Director of Administrative Services for Delaware Sleep Disorder Centers, overseeing operations for accounting, scheduling and billing. She has been in the health care field for 25 years with experience in finance administration, physician time share management and pharmacy. Lynn enjoys family, golf and the beach.


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