
Dr. James Baker, MD
Pediatric Allergy
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Medical Expertise of Dr. James Baker, MD
Dr. Jim Baker specializes in the diagnosis and treatment of various allergic and immunologic disorders, and has additional training in pediatric allergy. In addition to his in-depth knowledge of asthma treatment and the use of immunotherapy to treat allergies, Dr. Baker has expertise in the management of uncommon conditions, such as hereditary angioedema.
Dr. Baker has been actively involved in clinical research that has lead to new asthma medications and new treatment guidelines, including protocols for food allergy desensitization.
About Dr. James Baker, MD
James Baker, MD is a board-certified allergist and pediarician providing care to patients in the Portland Metro area at Baker Allergy Asthma & Dermatology.
Dr. Baker has been actively involved in teaching medical students, residency and other physicians. His colleagues have named him “one of Portland’s finest” physicians
Dr. Jim Baker is a member of several esteemed professional organizations, including
- Oregon Society of Allergy
- Oregon Medical Society
- Oregon Lung Association
- Oregon Thoracic Society
- West Coast Society of Allergy/Immunology
Patient Survey Results
Patient Education Resources
Inhaled corticosteroids (ICS) are a type of medication that is commonly used to treat asthma and other respiratory conditions. They are considered safe because they are delivered directly to the lungs...
EpiPens do have an expiration date, and it is important to replace them before they expire. The expiration date can be found on the packaging and the device itself.An expired EpiPen® may not work ...
Thermoplasty is a minimally invasive procedure that uses heat to reduce the smooth muscle in the airways, which can help to open up the airways and make it easier to breathe. The procedure is typicall...
The treatment for food allergies is to strictly avoid the allergenic food, and in case of accidental exposure, the use of rescue medications such as antihistamines and epinephrine (injectable) in the ...
The treatment of childhood asthma is similar to that of adult asthma, but there are some important considerations.The main goal of treatment is to control symptoms, prevent exacerbations and improve t...
Education & Training
- Pediatric Internship: University of Vermont
- Pediatric Residency: University of Wisconsin
- Allergy and Clinical Immunology Subspecialty Training :University of Wisconsin
Baker Allergy Asthma & Dermatology

Located in Portland, Oregon, the husband and wife team of Drs. James W. and Diane R. Baker have been treating both adults and children for allergy (including food allergies), asthma, immunology, and dermatology disorders/conditions throughout the greater Portland area for over 40 years.
Dr. James W. Baker’s years of practice in the areas of allergy, asthma, and immunology, contribute to his unique ability to diagnose and manage the individual needs of his patients. Dr. Baker also specializes in the treatment of peanut allergies through various food allergies.
An acknowledged leader in the field of dermatology, Dr. Diane R. Baker offers services in general dermatology, dermatological surgery, and cosmetic dermatology. Her thirty-nine years of combined practice and experience help her patients look and feel their best!
Drs. James and Diane Baker have assembled an experienced, skilled, and compassionate staff to work together as a team in accomplishing their goals of providing excellent/outstanding care for allergy, asthma, immunology, and dermatology.