Internal Medicine Physicians 

Choosing an internal medicine physician is an important and personal step in your health care journey. We employ compassionate and board-certified physicians to ensure that you receive the highest possible quality of care at Swedish Covenant Health. 
 
Schedule a Primary Care Appointment Online 

Our Physicians

Levenhagen, Ryan 250x250Ryan Levenhagen, D.O., is a board-certified internal medicine physician with Swedish Covenant Medical Group. His clinical interests include geriatrics, musculoskeletal pains and preventive medicine. 






Ahn, ChiChi Ahn, M.D.
, is a board-certified internal medicine physician with Swedish Covenant Medical Group. His clinical specialties include geriatric medicine. He speaks English and Korean and has more than seven years of experience. 






Yoon, SaraSarah Yoon, NP,
  is a nurse practitioner with Swedish Covenant Medical Group. She speak English and Korean.  







Le-S-cropped-for-webSean A. Le, M.D., is a board-certified internal medicine physician with Swedish Covenant Medical Group. His clinical interests include diabetes, hypertension and preventive health. He speaks English and Vietnamese and has more than 21 years of experience. . 






Nahhas-T-cropped-for-webTony Nahhas, M.D.
, is a board-certified internal medicine physician with Swedish Covenant Medical Group. His clinical interests include diabetes, geriatric medicine, preventive medicine, women’s health and men’s health. He speaks English and Arabic and has more than 22 years of experience. 



 


Rivera, AngelAngel Rivera, D.O., is a board-certified internal medicine physician with Swedish Covenant Medical Group. Specializing in integrative and functional medicine, his clinical interests also include endocrinology, lifestyle and exercise and cardiopulmonary care. He speaks English and Spanish.





Swims-D-cropped-for-webDale Swims, D.O., is a board-certified internal medicine physician with Swedish Covenant Medical Group. His clinical interests include geriatric medicine and preventive medicine. He has more than five years of experience. 





Terleckyj-OOleh Terleckyj, M.D., is a board-certified internal medicine physician with Swedish Covenant Medical Group. His clinical interests include preventive medicine. He speaks English and Ukrainian and has more than 30 years of experience. 





Olson-Jeffery-fJeffrey Olson, M.D.
, is a board-certified internal medicine physician with Swedish Covenant Medical Group. He speaks English and Spanish and has more than 16 years of experience. 





Contact Us

If you would like to talk to a representative about your primary care options, please call 773-878-3627.




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