Imagine Life with Controlled
Allergies and Asthma


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California Allergy & Asthma Medical Group

We specialize in the diagnosis and management of asthma, allergy and clinical immunology including conditions such as allergic rhinitis (hay fever), sinusitis, atopic dermatitis (eczema), food allergy, drug allergy, anaphylaxis (systemic allergic reactions), contact dermatitis, urticaria (hives), angioedema (swelling), conjunctivitis, primary immunodeficiency syndromes and many others.

We help patients determine the causes and treatment for symptoms such as nasal congestion, “sinus” symptoms, ear and eye symptoms, shortness of breath, wheezing, headache, chronic cough, recurrent respiratory and other infections, skin rashes, hives and others.

We offer all types of allergy testing, rhinoscopy, pulmonary function testing, nitric oxide testing, as well as allergen immunotherapy (allergy injections), intravenous immunoglobulin (IVIG) infusions, and anti-IgE (Xolair) injections if these are indicated.

Our Los Angeles office is now open. Visit us at 1950 Sawtelle Blvd, Suite 138, Los Angeles, CA 90025 . Call us at (310) 966-9022, Fax (310) 966-9042. Email: [email protected].

Our Lancaster office is now open. Visit us at 44453 16th Street West, Suite 101, Lancaster, CA 93534. Call us at (661) 429-0100, Fax (661) 723-0177. Email: [email protected].

Ricardo Tan, M.D.

Dr. Tan has been in private practice in Allergy and Clinical Immunology since 1996. He competed his fellowship training in Allergy and Clinical Immunology at the UCLA Medical Center in Los Angeles, California in 1995. He has been named a “Southern California Super Doctor” by Los Angeles Magazine in the field of allergy since 2010 to the present. Dr. Tan is a Diplomate of the American Board of Internal Medicine and the American Board of Allergy and Immunology. He is a Fellow of both the American Academy of Allergy, Asthma & Immunology ( AAAAI) and the American College of Allergy, Asthma & Immunology ( ACAAI) . He is a Past President of the Los Angeles Society of Allergy, Asthma & Clinical Immunology ( LASAACI).

He earned his medical degree from the University of the Philippines in Manila and completed his Internal Medicine residency at the State University of New York at Buffalo Residency Consortium in Buffalo, New York. He served as a Captain in the United States Air Force Medical Corps stationed in Del Rio, Texas from 1991-1993. He has served as an officer or committee member of many specialty societies, including the California Society of Allergy, Asthma and Immunology (CSAAI), and the International Association of Filipino Allergists & Immunologists (IAFAI). He is on the Editorial Board of the Annals of Allergy , Asthma and Immunology . He is the co-author of Practical Allergy, a textbook for primary care physicians, and has contributed chapters to Manual of Allergy and Immunology and other textbooks. He has published numerous articles in journals such as the Journal of Allergy & Clinical Immunology ( JACI) and the Journal of Asthma. He is very active in clinical research trials for new asthma and allergy medications.

Etan Milgrom, M.D.

Dr. Etan Milgrom is now part of California Allergy and Asthma Medical Group, and working with Dr. Ricardo A. Tan. Dr. Milgrom completed his Allergy and Immunology fellowship training at Keck School of Medicine of USC in 1990.

He has published and has lectured extensively in the field of Allergy and Immunology. Dr Milgrom’s most significant publication, as lead editor, is a text book titled ‘Practical Allergy’.

As Clinical Professor of Family Medicine at Keck School of Medicine of USC he devoted his career, teaching and training medical students, residents, and fellow colleagues in primary care and allergy and immunology.

Dr. Milgrom established the Etz Chaim Milgrom Tree of Life Award of Compassionate Care Award both at Keck School of Medicine of USC and at the Venice Family Clinic where it is awarded yearly in perpetuity.

Nurses & Staff

Our clinic staff is focused on your comfort and the success of your treatment. We have assembled a team of nurses, assistants, and office personnel whom are professional and understand the importance of your health and happiness.

Sharon Short, Office Manager

Joan Nasr, RN

Cheryl Brown, Receptionist

Maya Johnson, MA

Hours & Location

NOTE: For specific medical questions, please do NOT use email, but call the office directly. If you are experiencing a medical emergency, call 911.

See below for more information about our office.

Los Angeles

1950 Sawtelle blvd, Suite 138

Los Angeles, CA 90025

Tel: (310) 966-9022

Our Los Angeles office is Our Los Angeles office is located just west of 405 Freeway and north of the 10.

Click here for directions.


44453 16th Street West, Suite 101

Lancaster, CA 93534

Tel: (661) 429-0100

Fax: (661) 723-0177

Email:[email protected]


8:00 am - 5:00 pm


8:00 am - 5:00 pm


8:00 am - 5:00 pm


8:00 am - 5:00 pm


8:00 am - 5:00 pm