Pediatricians and Providers

Endeavor Health Medical Group employs both pediatricians and certified pediatric nurse practitioners within our office. 

Our Providers

Hasler, JennyJenny Koo Hasler, M.D., is a board-certified pediatrician with more than 10 years of experience. Dr. Hasler speaks English, Korean and Spanish.

Patel, Parav 250x250Parav Patel, M.D., is a board-certified pediatrician with Swedish Medical Group. Her clinical interests include food allergies, newborn care, pediatric asthma and pediatric obesity. She has more than 9 years of experience. 

JacquelineSouza-14773-Edit_250x250Jacqueline Souza, M.D., is a board-certified pediatrician with Endeavor Health Medical Group. She speaks English, Portuguese and Spanish and has more than 14 years of experience.

DavidStiasny_22364_250x250David Stiasny, M.D., is a board-certified pediatrician with Swedish Medical Group. His clinical interests include newborn care, sports medicine, vaccines and antibiotic stewardship. He has more than eight years of experience.

Ryan-A-cropped-for-webAndrea L. Ryan, CPNP, is a certified pediatric nurse practitioner with Swedish Medical Group. Her clinical interests include asthma and developmental milestones. She has more than seven years of experience. 


Contact Us

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




Ready to Safely Care for You

Swedish Hospital is operating under enhanced safety protocols to provide a comfortable and safe environment for our patients, physicians, nurses and hospital staff.

Learn More
ATENCIÓN PRIMARIA EN SWEDISH HOSPITAL

Elija hoy mismo a su socio en salud y bienestar.

Learn More