Legacy Health Partners (LHP)

Delivering value and improving health

Committees and staff

Clinical Collaboration & Performance Improvement Committee

The Clinical Collaboration and Performance Improvement Committee oversees the areas of patient, provider and administrator user experience, clinical collaboration and performance improvement within Legacy Health Partners to support the Clinical Integration Program. 

Chair: Janis Howatt, M.D., Broadway Medical Clinic
Vice Chair: Kelley Pratt, M.D., Northwest Acute Care Specialists

  • Heather Bardfield, R.N., Broadway Medical Clinic
  • Julia Fehniger, M.D., Legacy Medical Group – Gynecologic Oncology 
  • Tad Lowder, D.O., Legacy Medical Group – Camas
  • Angela Marshall-Olson D.O., Legacy Medical Group – Raleigh Hills
  • Thelma Nemarundwe, EyeHealth Northwest
  • Jill Shaw, D.O., Lake Road Family Medicine
  • Melissa Tom, M.D., Northwest Acute Care Specialists
  • Holly Tse, M.D., Legacy Medical Group – Mount Hood
  • Jane Ware, M.D., Legacy Medical Group – Broadway
  • David Westerdahl, M.D., Sports Health Northwest
  • Heather Zarour, M.D., The Oregon Clinic, Surgical Specialist South

Staff liaison, Amanda Scott, clinical integration consultant, email or 503-413-5580 

Finance and Contracting

The Finance and Contracting Committee oversees the design and implementation of managed care contracting and assists in organizational financial planning and monitoring. The committee also develops the incentive fund distribution methodology and administers the disbursement of funds through the member financial model.

Chair: Damon Warhus, M.D., Women's Healthcare Associates
Vice Chair: Natasha Pereira, M.D., The Children's Clinic

  • Khayree Butler, M.D.,  Legacy Medical Group – Colon & Rectal Surgery
  • Jeremy Chrisman, D.O., The Vancouver Clinic
  • Erika Copperman, M.D., The Oregon Clinic
  • Teresa Hildebrand, M.D.,  Legacy Medical Group – Family Wellness
  • Kelsey Hupp, F.N.P, Silver Creek Family Medicine
  • Brian Kelly, Women's Healthcare Associates
  • George Lin, M.D., Northwest Acute Care Specialists
  • Michael Mazzotta, M.D., Broadway Medical Clinic
  • Richelle Neal, M.D., Olson Pediatrics
  • Daniel Root, M.D., Oregon Sleep Associates
  • Erich Vorlop, M.D., Northwest Gastroenterology Clinic
  • Anthony Wei, M.D., Rebound Orthopedics & Neurosurgery
  • Brett Williams, EyeHealth Northwest
  • Sian Williams, Oregon Anesthesiology Group

Staff liaison: Lindsey Wright, Accountable Care Consultant, email or 503-413-5570 

Quality and Membership
The Quality and Membership Committee oversees the design and implementation of the clinical integration, quality improvement and patient safety programs. The committee reviews the overall performance of these programs as well as individual members; develops membership requirements; and monitors the activities of management concerning credentialing and maintenance of membership requirements and the success of these programs.

Chair: Jennifer Byrne, D.O., Columbia View Family Health Center
Vice Chair: Ann Marie Paulsen, M.D., The Portland Clinic


  • Riad Alharithi, Kid's First Pediatrics
  • Garth Barbee, M.D., Northwest Acute Care Specialists
  • Bryce Bederka, M.D., Legacy Medical Group – Orthopedics and Sports Medicine
  • R.J. Gillespie, M.D., The Children’s Clinic
  • Charles Hu, M.D., Legacy Inpatient Medicine Service – Legacy Mount Hood Medical Center
  • Joanne Parker, M.D., Legacy Medical Group –  Urgent Care
  • Michael Straiko, M.D., Legacy Devers Eye Institute – Cornea Service
  • Erik Van Kleek, M.D., The Oregon Clinic
  • Anne Vestergaard, M.D., Broadway Medical Clinic

Staff liaison: Amanda Scott, clinical integration consultant, email

Legacy Health Partners Staff
  • Albert Chaffin, M.D., medical director, email
  • Jenny Robinson, executive director, email
  • Lindsey Wright, accountable care consultant
  • Kristin Gilmer, member relations coordinator
  • Amanda Scott, clinical integration consultant
  • Lauren Tacke, administrative assistant


For General Inquiries and Questions:
Email LHP or call 503-415-5109