Four Allergy & ENT Associates physicians have been named to Houstonia magazine’s 2026 Top Doctors list for Allergy and Immunology: Aries Caesar Gavino, MD; Vikas S. Kancherla, MD; Duyen K. Nguyen, DO; and Abeer Siddiqi, MD. We’re proud to celebrate this recognition and the care they provide to patients across the Houston area.
Meet Our 2026 Houstonia Top Doctors
Vikas S. Kancherla, MD — Sugar Land and Fulshear
A Sugar Land native, Dr. Kancherla has cared for Allergy & ENT Associates patients since 2007. He diagnoses and treats conditions including allergic rhinitis, asthma, eczema and food allergies. Patient education is central to his approach: he wants people to understand their condition and take an active role in their care. Dr. Kancherla sees patients in Sugar Land and Fulshear.
Duyen K. Nguyen, DO — Cypress and Katy
Dr. Nguyen cares for children and adults with allergies, asthma and immune conditions. Her clinical focus includes food allergies, chronic sinusitis, hives and immunodeficiency. She is committed to advocating for her patients and helping them make informed decisions about their health. Dr. Nguyen sees patients in Cypress and Katy.
Abeer Siddiqi, MD — The Woodlands
With training in both internal medicine and pediatrics, Dr. Siddiqi cares for patients across age groups. Her clinical interests include food allergies, eczema, asthma, allergic rhinitis and immune deficiencies. She sees patients at our Sterling Ridge and Town Center locations in The Woodlands.
Aries Caesar Gavino, MD — Clear Lake, Pearland and Lake Jackson
Dr. Gavino is a board-certified allergist and immunologist who cares for patients with seasonal allergies, asthma, food allergies and chronic sinusitis, as well as complex immune conditions. He focuses on listening to each patient’s concerns and building a treatment plan around their needs. Dr. Gavino sees patients at our Clear Lake clinic in Webster and at our Pearland and Lake Jackson locations.
What Is a Houstonia Top Doctor?
Houstonia says its Top Doctors list is based on a survey of Houston area health care practitioners, who nominate peers they would choose to care for themselves or a loved one. Top vote recipients are checked for good standing with state licensing bodies before they are included.
Please join us in congratulating Drs. Gavino, Kancherla, Nguyen and Siddiqi. If you’re looking for help with allergies, asthma or an immune condition, meet our providers to learn more about their care and locations.