Dr. Jonathan Malka is a board-certified pediatric allergist and immunologist at Crescendo MD in Portola Valley, California, caring for children, families, and adults across the San Francisco Peninsula. He treats the full range of allergic disease — food allergy, eczema, asthma, allergic rhinitis, allergic conjunctivitis, chronic hives, and drug allergy — as one connected picture rather than a set of separate problems.

What sets his practice apart is depth. Where many allergy practices stop at avoidance, Dr. Malka builds real, measurable tolerance through oral and sublingual immunotherapy (OIT and SLIT) for food allergy, alongside environmental allergy treatment and comprehensive asthma care. His aim for each family is not only a safer daily life, but a genuinely different outlook.

Dr. Malka is board-certified in both Pediatrics and Allergy & Immunology, with training from some of the country's leading institutions: a pediatrics residency at Montefiore Medical Center and Albert Einstein College of Medicine in New York, and an allergy and immunology fellowship at National Jewish Health in Denver — the nation's top-ranked respiratory hospital — where he later served on the University of Colorado faculty. Before joining Crescendo, he directed the allergy and immunology division at one of the largest pediatric groups in the country and built a reputation in South Florida as one of the region's most trusted specialists in pediatric food allergy, asthma, eczema, and immunologic conditions.

A bilingual physician fluent in English and Spanish, Dr. Malka has been recognized repeatedly as a "Favorite Pediatric Specialist" and is a Fellow of both the American Academy of Allergy, Asthma & Immunology (FAAAAI) and the American Academy of Pediatrics (FAAP). He is also a published researcher, with more than 20 peer-reviewed articles on food allergy, asthma treatment, and biomarkers of disease.

Allergy care at Crescendo is open to members and non-members alike, with or without a referral.

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Areas of Focus

• Food allergy and oral immunotherapy (OIT and SLIT)

• Eczema (atopic dermatitis)

• Asthma

• Allergic rhinitis and environmental allergies

• Chronic hives (urticaria) and angioedema

• Drug allergy

• Immune evaluation

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Education & Credentials

• Board-certified in Pediatrics — American Board of Pediatrics (FAAP)

• Board-certified in Allergy & Immunology (FAAAAI)

• Fellowship, Allergy & Immunology — National Jewish Health / University of Colorado, Denver

• Residency, Pediatrics — Montefiore Medical Center / Albert Einstein College of Medicine, New York

• MD — Universidad Central de Venezuela

• Former Assistant Professor of Pediatrics — University of Colorado / National Jewish Health

• Former Director of Allergy & Immunology — Pediatric Associates

• Bilingual: English and Spanish

• 20+ peer-reviewed publications on food allergy, asthma, and disease biomarkers

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Serving

Portola Valley, Atherton, Woodside, Menlo Park, Palo Alto, Los Altos, and the greater San Francisco Peninsula and Bay Area.