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Oregon Health Authority
HERC Roster
Gerald Ahmann, MD Mark Gibson Staff
Wiley Chan, MD Vern Saboe, DC
Alissa Craft, DO, MBA Som Saha, MD, MPH
Irene Croswell, RPh James Tyack, DMD, MAGD
Lisa Dodson, MD Kathryn Weit
Leda Garside, RN, MBA Beth Kaplan Westbrook, PsyD
Gerald Ahmann, MD
Physician
Gerald Ahmann, MD, is a Medford physician who is board-certified in internal medicine and
clinical oncology and is a practicing hematologist/oncologist for Hematology Oncology
Associates. He also serves as a co-investigator in clinical trials involving breast cancer patients.
Term: 1/1/12-12/31/15

Wiley Chan, MD
Physician
Wiley Chan, MD, an internal medicine physician from Portland, is Director of Guidelines and Evidence-based Medicine for Kaiser Permanente Northwest.
Term: 1/1/12-12/31/14

Alissa Craft, DO, MBA
Industry Representative/Osteopath
Alissa Craft, DO, MBA, is the Medical Director for Samaritan Health Plans in Corvallis. She is a board-certified pediatrician with a specialty in neonatal and perinatal medicine. 
Term: 1/1/12-12/31/14

Irene Croswell, RPh
Pharmacy Representative
Irene Croswell, RPh, is a retail pharmacist for Haggen Pharmacy in Tualatin and is President of the Oregon State Pharmacy Association.
Term: 1/1/12-12/31/13

Lisa Dodson, MD
Physician (Hospital Based)
Lisa Dodson, MD, is a board-certified family physician who acts as Director of the Oregon Area Health Education Centers at OHSU. She provides locum tenens physician service to rural communities and previously practiced for seven years in John Day. 
Term: 1/1/12-12/31/15

Leda Garside, RN, MBA
Public Health Nurse
Leda Garside, RN, BSN, MBA, is the Clinical Nurse Manager for the ¡Salud! Program, an outreach program of the Tuality Healthcare Foundation in Hillsboro. Her 25-year nursing career includes acute care, occupational health services and, in the last 10 years, community and public health.
Term: 1/1/12-12/31/12

Mark Gibson
Consumer Representative
Mark Gibson is the Director of the OHSU Center for Evidence-based Policy in Portland and a Program Officer for Millbank Memorial Fund. A former fire fighter, he has also served as Health Policy Advisor to the Oregon Governor’s Office.
Term: 1/1/12-12/31/15

Vern Saboe, DC
Alternative & Complementary Medicine Provider
 
Vern Saboe, DC, is a practicing chiropractic physician with 30 years experience who is board certified in orthopedics, neurology and forensic science. He served on the Oregon Board of Chiropractic Examiners and is Past President of the Chiropractic Association of Oregon.
Term: 1/1/12-12/31/15

Som Saha, MD, MPH
Physician
Som Saha, MD, MPH, currently practices as a general internist at the Portland VA Medical Center and is an Associate Professor of Medicine and Public Health & Preventive Medicine at OHSU. He is an active member of the Oregon Evidence-based Practice Center and has served as Chair of the Health Services Commission.
Term: 1/1/12-12/31/13

James Tyack, DMD, MAGD
Dentist
James Tyack, DMD, MAGD, is a practicing dentist and owner of Tyack Dental Group, with offices in Astoria and Clatskanie. He is an adjunct faculty member at the OHSU School of Dentistry and is also a manuscript reviewer for the Journal of the Academy of General Dentistry. 
Term: 1/1/12-12/31/13

Kathryn Weit
Consumer Representative
Kathryn Weit, of Eugene, is the Interim Executive Director and Policy Analyst for the Oregon Council on Developmental Disabilities and she has worked on behalf of people with disabilities and their families for over 25 years. Ms. Weit is a former teacher who worked in inner city and low-income high schools and is the parent of a 30 year-old son with developmental disabilities.
Term: 1/1/12-12/31/12

Beth Kaplan Westbrook, PsyD
Behavioral Health Representative
Beth Kaplan Westbrook, PsyD, is a practicing clinical psychologist from Portland with over 30 years of experience in both inpatient and outpatient settings. She is certified in Child and Adolescent Psychotherapy, Group Work Training and Crisis Intervention and is Past President of the Oregon Psychological Association.
Term: 1/1/12-12/31/13

Staff
Director
Darren Coffman
Office:  (503) 373-1616
email:  darren.d.coffman@state.or.us
 
Medical Director
Ariel Smits, MD, MPH
Office:  (503) 373-1647
email:  ariel.smits@state.or.us
 
Clinical Services Consultant
Cat Livingston, MD, MPH
Office:  (503) 373-1647
email:  catherine.livingston@state.or.us
 
Research Analyst
Dave Lenar
Office:  (503) 373-2193
email:  david.lenar@state.or.us
 
Program Specialist
Dorothy Allen
Office:  (503) 373-1985
email:  dorothy.e.allen@state.or.us



Page updated: February 08, 2012