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Primary Care - Our Team

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National Primary Care Leadership




Angela Denietolis, MD


Executive Director, Office of Primary Care
Angela Denietolis, MD - Executive Director Office of Primary Care


Thomas F. Mattras, MD


Primary Care Operations Director
Thomas Mattras, MD


PC Clinical Services Director


Scott Pawlikowski, MD


PC Improvement and Innovation Director
Scott Pawlikowski, MD


Tiffany R. Smith, MPH


PC Business Operations & Management Director
Tiffany R. Smith, MPH


Heather Lane Ball


Executive Assistant
Executive Assistant

National Primary Care Staff
Office main number: 202.461.6259



Addison Ragan, PharmD 

Clinical Pharmacy Program Manager, CRH 

Ami Shah, MD 

Clinical Informatics 

Andrew Zwak 


Antheny Wilson, MA 

Administrative Officer

Belinda Velazquez, MHSA 

Assistant Director, Program Management and Administration

Darrin Letzgus, DCS

Program Analyst (Informatics)

Ebinehita (Ebi) Frodin, MHA

Assistant Director, Business Operations

Edward Post, MD, PhD, FACP

Senior Medical Advisor

Elizabeth (Becky) Ireland, MSNEd, BSN

Education and Training

Jami Falk, MS, RN 

Primary Care Monitoring & Oversight Chief Nurse

Jennifer Wegmann 

Health System Specialist

John (Michael) Matthews 

Health System Specialist

Jose (Joe) Feliz 


Joseph (Joe) Sullivan, PhD 

Data Analyst

Katherine (Kat) Laurenzano, MD

Director for Monitoring and Oversight

Kedron (Kay) Burnett, PA-C 

Senior Consultant, Atlas/TEM, CRH 

Kirsten Mains, MA, CCC/SLP

Health Systems Specialist 

Kristina Snell

Intermediate Care Technician Lead 


Quality Manager 

Lawrence (Larry) Wahlberg, PhD

Senior MH Consultant, CRH

Lori Dillard


Lucille Burgo, MD

National Co-Director Primary Care Pain and Post Deployment Initiatives 

Maia Carter, MD, MPH, FACHE

Virtual Care Lead

Matthew Rogers, PA-C 

Director, Clinical Resource Hub (CRH) 

Melaina Lane

Training Specialist

Melanie Sapasap

National PCMM Coordinator

Monica Guiles

Administrative Officer

Nina Morris, MSNEd, RN 

Director of Clinical Learning 

Patricia Dumas, RN, MPH

Director of Policy Development and Implementation

Stacey Swanson, MHA

National CRH Business Director

Stephen Hunt, MD

National Director, PDICI

Stuart Fox

Health Systems Specialist 

Tonia O'Day, MSN, RN 

Chief Nurse, CRH 

Traci Morgheim

Staff Assistant

William (Ward) Newcomb, MD

PC Space Consultant