About Us
Articularis Healthcare Group, Inc (AHG) is a physician led and owned organization dedicated to improving healthcare by supporting independent rheumatology practices. As the nation’s largest Rheumatology specialty group, our affiliates have access to best business practices, advisory and management services, innovative practice performance technology, and value-based treatment pathways.
Our Mission
To support provision of the highest value community-based rheumatology services in a compassionate and ethical environment.
Physician Leadership Team
Jennifer K. Murphy, M.D.
Physician Director / Medical Officer
Gregory W. Niemer M.D.
Physician Director / Medical Officer
Colin C. Edgerton, M.D.
Physician Director / Medical Officer
Jennifer K. Murphy, M.D.
Physician Director / Medical Officer
Gregory W. Niemer M.D.
Physician Director / Medical Officer
Colin C. Edgerton, M.D.
Physician Director / Medical Officer
Meet The Team
Leadership
Robert Kirk
Chief Executive Officer
Jon Lawton
Chief Revenue & Technology Officer
Natalie Spitzig
Chief Financial Officer
Timothy Hewson, JD
General Counsel
Kristal Herrington
Vice President, People Operations
Tracy Emmanuel
Consulting Director
Operations
Val Paz Dugarte
Operations & Compliance Manager
Brody Williamson, MSHA, MBA
Operational Strategy Administrator
Accounting & Finance
Jessica Pontieri
Revenue Cycle Manager
Infusion
Karen McKerihan, MSN, NP-C
Infusion Director
Intake
Ashley Neal
Senior Manager, Prior Authorization
Information Technology
Phil Gansz
Director of Information Technology
Travis Wilson
Director of Clinical Applications
Human Resources
Nicole Brown
HR Manager
Refer a Patient
When you refer a patient to one of our network practices, you ensure that they will receive high-quality, personalized care.
Join Our Network
Learn more about our commitment to empowering better rheumatology care through an integrated and supportive network that helps local practices maintain their independence and flourish.
