KEY Primary Care Physicians (KEYPCP) is an Independent Practice Association (IPA) comprised of Internal Medicine and Family Practice physicians from the east and south metropolitan Denver area. Organizing in early 2008, our physicians are committed to providing quality care to their patients. Member physicians strive to continually improve health care delivery.
KEY Leadership
Board Members
Matthew Lewis, MD, President
Earl Carstensen, MD, Secretary
Mark Nathanson, DO, Treasurer
Gerard Guillory, MD
Michael Wasserman, MD
KEY Partners
KEY has engaged the IPA management company, Physician Health Partners (PHP).
PHP has extensive experience in helping physicians provide quality, cost-effective
health care. PHP has a team of nurses and social workers who work directly with
providers and patients to improve communication, providing a proactive approach to
help patients maintain optimum health.
KEY Specialist Partners
KEY is currently working to build a network of specialist who will complement their patient
care goals. If your specialty practice would like to be included in the KEY provider network,
please see Join KEY, below.
IPA Membership Directory
coming soon
Join KEY and Contact Us
For more information about KEY PCP, please contact:
Janice Love, PHP Client Services Administrator at 303-256-1572 or
Jeff Archambeau, PHP Business Development Manager at 303-256-1638