Daly City (650) 991-0405
San Mateo (650) 343-4597


Meet Our Doctors

Betty Miller, M.D.

Betty Miller, M.D.

Dr. Betty Miller received her medical degree from the State University of New York at Syracuse.  She trained in Pediatrics and Allergy at the Children’s Hospital of Buffalo and in Adult and Pediatric Allergy /Immunology at the Creighton University School of Medicine in Omaha, Nebraska.  Her mentors were Drs. Carl Arbesman, Robert Reisman and Robert G. Townley, all nationally known allergists and researchers.  Dr. Miller has been practicing allergy in the Bay Area for more than 30 years.  She has expertise in the treatment of adults and children with asthma, hay fever, eczema, hives, rhinitis, sinusitis, stinging insect, drug and food allergies.  She is a clinical Professor at UCSF where she has taught medical students, allergy fellows, and Pediatric residents in the allergy clinic or in her office.  When Dr. Miller was President of the Allergy and Asthma Foundation of Northern California, she initiated a local Asthma and Allergy Speaker Program.  Now in its 19th year, this program offers up-to-date education to health professionals on the care of allergy patients.  Dr. Miller is Board Certified in Allergy, Asthma and Immunology.  She is a Diplomate of the American Board of Allergy and Immunology (ABAI) and the American Board of Pediatrics.  She speaks at Seton Medical Center and other community organizations about allergy and asthma. 

Brooke Leon, N.P.

Brooke Leon, N.P.

Brooke Leon earned her Bachelor’s degree in Health Sciences with a minor in American Sign Language from California State University East Bay in June of 1994. She then received her Bachelor’s degree in Nursing in May of 1996 and achieved her Master’s Degree in Nursing as a Family Nurse Practitioner at the University of San Francisco in May of 2000. While completing her Master’s degree, she was employed as a registered nurse at the Allergy and Asthma Clinic where she was able to work closely with our medical director, Dr. Engler. During this time, she had the opportunity to assist in the management of patients and help provide ongoing care and education to patients with acute and chronic allergic diseases. As a board certified Nurse Practitioner, she is a member of the Sigma Theta Tau Nursing Honor Society and is a frequent lecturer on the subject of allergy and asthma. She has provided a number of educational seminars to many health care professionals in the community, as well as in other cities on the West Coast. When she is not taking care of patients, Brooke enjoys exercising, baking and cooking. She also loves to participate in outdoor activities and travel with her husband and 2 children. 

Dr. Bhushan C. Gupta, M.D.

Dr. Bhushan C. Gupta, M.D.

Dr. Bhushan C. Gupta, M.D. Dr. Gupta is Board Certified by the American Board of Allergy and Immunology and the American Board of Pediatrics. He is a member of the American Academy of Allergy Asthma and Immunology. Dr. Gupta specializes in adult and pediatric allergy and asthma and completed his fellowship in adult and pediatric allergy and immunology at St. Vincent’s Hospital in New York.
Dr. Gupta was in private practice of Pediatric and Adult Allergy in New Britain, Connecticut for more than 40 years. He recently moved to the Bay Area to be near his children and grandchildren who have settled here. His clinical interests are Hay Fever, Asthma, Food Allergy, Insect Allergy, Penicillin Allergy and Urticaria. He does skin testing for food, drug, insect and environmental allergies, contact testing for sensitivity to chemicals, metals and other agents, and food and drug challenges. He also does blood testing in patients for whom skin testing is not possible.
Dr. Gupta has extensive experience taking care of patients who have Eczema, Contact Dermatitis and Eosinophilic Esophagitis. He is particularly interested in the care of patients with Chronic Sinusitis caused by immunodeficiency. He believes other medical problems such as diabetes, gastrointestinal, and heart and eye problems complicate allergy symptoms and vice versa. He has experience in the use of different biologics used to treat severe asthmatics and urticarial patients. Dr. Gupta believes doctor--patient communication and cooperation is the best road to success and that each patient must have an individual and unique plan to fit their situation and time commitments.