Ob Hospitalist Group Founders

David C. Swain
Co-founder and Board Member

Executive Management

Leonard (Lenny) Castiglione
Chief Executive Officer
Mark N. Simon, MD, MMM, CPE
Chief Medical Officer
Marc L. Kerlin
Chief Growth Officer
Kevin Krenzke
Chief Financial Officer
Nick Sacco
Executive Vice President of Operations
Cheryl Slack
Chief Human Resources Officer
Christie Buchholz
Vice President of Customer Strategy
Barbara Fry, JD, FACHE, CMPE
Vice President of Hospital Operations
Tama LeBlanc
Vice President of Information and Technology
Will McDonald
Vice President of Hospital Operations
Heather Moore, CPHRM, CHC, AIAF, ARC
Vice President of Risk Management, Quality & Compliance
Donna Vaughan
Vice President of Financial Planning and Analysis

Clinical Leadership

Charlie Jaynes, MD
Senior Director of Medical Operations
Stephen T. Bashuk MD
Medical Director of Operations
Lisa Bukovac, DO
Medical Director of Operations
Kevin Burlison, MD
Medical Director of Operations
Rakhi Dimino, MD
Medical Director of Operations
Alissa Erogbogbo, MD
Medical Director of Operations
Nicholas Kulbida, MD
Medical Director of Operations
Charles Rollison, DO, MHA, FACOOG
Medical Director of Operations
Sue Smith, MD
Medical Director of Operations
Don Toatley, MD
Medical Director of Operations
Amy VanBlaricom, MD
Medical Director of Operations
Jane van Dis, MD, FACOG
Medical Director for Business Development
Susie Kady Wilson, MD
Medical Director of Operations