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Maxwell Li, MD

Posted on September 7, 2023 by in

Dr. Maxwell Li is a board-certified allergist-immunologist specializing in the treatment of allergic and immunologic conditions in both adults and children. He earned his undergraduate degree in Biological Sciences from Cornell University, followed by his medical degree and internal medicine residency at Georgetown University. Dr. Li then completed a prestigious fellowship in allergy and immunology

Katheryn Birch DO

Katheryn Birch, DO

Posted on July 3, 2023 by in

Dr. Katheryn Birch went to medical school at LECOM-Bradenton. She then completed her pediatric residency at Palms West Hospital in Florida. She specialized in Allergy and Immunology at Case Western Reserve/University Hospitals in Cleveland. She enjoys seeing patients of all ages. She has a personal understanding of what most of her patients are going through as she also

Tammy Rather, PHR, Administrator

Posted on June 23, 2020 by in

A team-builder and problem-solver, Tammy Rather is part of the team that plans and implements operational activities, facility improvements, administrative programs, systems and policies. She brings to the position proven leadership abilities, as well as team building and personnel management skills. As customer service liaison, she has an open-door policy with patients and employees. She

Betty Evans, CMPE, CEO

Posted on June 23, 2020 by in

Betty Evans began working in the health-care field as a nurse’s aide when she was in her mid-teens. Today, she is the CEO of Oak Street Medical P.C., where she is responsible for the viability of the practice and directs a team of health-care providers and staff members. Committed and progressive, she embraces the ever-evolving

Melanie Chala Wayne, MSN, FNP-BC

Posted on June 23, 2020 by in

As a nurse practitioner, Melanie provides patient-centered care that promotes overall wellness. Energetic and knowledgeable, she makes our allergy, asthma and immunology patients feel comfortable and empowered. Her medical and Spanish background serves our patients well.

Jason H. Friesen, MD

Posted on June 23, 2020 by in

Dr. Jason Friesen was born in Calgary, Alberta, but immigrated to the pacific northwest at the age of five.  He attended Western Washington University for undergraduate education and Albany Medical College in upstate New York for his medical degree.  He completed a residency in pediatrics in Norfolk, Virginia and a fellowship in Allergy and Immunology in Pittsburgh,

Richard O. Buck, MD

Posted on June 23, 2020 by in

Knowledgeable and cheerful, Dr. Richard Buck’s friendly personality and more than 30 years of experience complement one another perfectly. Board certified in asthma, allergy and immunology, as well as pediatrics, he diagnoses and treats patients of all ages.

Sarah S. Kehl, MD

Posted on June 23, 2020 by in

Dr. Sarah Kehl has been a board-certified Allergy and Immunology specialist since 2005 and has been with Oregon Allergy Associates since 2007. She treats both pediatric and adult patients, managing a wide range of allergic conditions, including asthma, allergic rhinitis, food allergies, atopic dermatitis, and venom allergies. Dr. Kehl earned her undergraduate degrees in Anthropology

Kraig W. Jacobson, MD

Posted on June 23, 2020 by in

An energetic problem solver, Dr. Kraig Jacobson has spent his career treating patients and teaching about the complexities of allergy, asthma and immunology. He has practiced medicine in Eugene since 1979. The bigger the challenge, the more he enjoys his work.