Our Team

Chief of Service

Dr. Davis is a specialist in the Allergy and Immunology Section of the Department of Pediatrics at Baylor College of Medicine. She received her medical degree from Duke University in 1997. After finishing a three year residency program in pediatrics at Baylor College of Medicine in Houston, Texas... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Clinic Chiefs

Maria Gabriela Buheis, MD, FAAP

Dr. Buheis focuses in the diagnosis and treatment of allergic diseases such as food allergy, allergic rhinitis, atopic dermatitis, chronic urticaria, drug allergies and asthma. She has a special interest in food allergy and allergic gastrointestinal disease, and is co-director of the Eosinophilic... Read more

Address: 18200 Katy Freeway Suite WA460 - 4th Floor Houston, TX 77094 United States See map: Google Maps Texas
Phone: 832-227-2280 (West) | 832-824-1319 (Main)

Javier Chinen, MD, PhD

Dr. Chinen is a specialist in allergic disorders and immunology defects. He has an extensive clinical experience acquired during his work at Centers of Excellence such as the National Institutes of Health, Downstate University of New York and Baylor College of Medicine. Dr. Chinen has also... Read more

Address: Texas Children's Hospital - The Woodlands 17580 I-45 South, 5th Floor, Green Pod The Woodlands, TX 77384 United States See map: Google Maps Texas , Address: Kingwood Specialty Care 19298 W. Lake Houston Pkwy, Suite 110 Humble, TX 77346 United States See map: Google Maps Texas
Phone: 936-267-7577 (The Woodlands) | 281-812-0280 (Kingwood)

Joud Hajjar, MD, MS

Dr. Hajjar’s research is focused on the interplay of the microbiome and immune dysregulation in the antibody deficient host. Funding The Jeffrey Modell Foundation The Chao physician-scientist Award The Immune deficiency foundation The US immunodeficiency network

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Sarah Kogan Nicholas, MD

Sarah K Nicholas, MD is an assistant professor of pediatrics and Allergy and Immunology clinic chief at Baylor College of Medicine / Texas Children’s Hospital. She graduated from the University of Rochester with a BA in Biology and received her medical degree from George Washington University. She... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Clinic Physicians

Aikaterini Anagnostou, MD, PhD

As Director of the Food Immunotherapy Program, Dr. Anagnostou is passionate about investigating new and innovative treatments for food allergy. She obtained her PhD from Cambridge University in the United Kingdom and her dissertation focused on two separate trials of Peanut Oral Immunotherapy in... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Sara Anvari, MD, MSc

Dr. Sara Anvari, MD is an Assistant Professor of Pediatrics in the Section of Immunology, Allergy and Rheumatology at Baylor College of Medicine and Texas Children's Hospital. Dr. Anvari treats patients with food allergy, asthma, allergic rhinitis, atopic dermatitis, drug allergy and immune... Read more

Address: Texas Medical Center - 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas , Address: West Campus - 18200 Katy Freeway Suite WA460 - 4th Floor Houston, TX 77094 United States See map: Google Maps Texas
Phone: 832-824-1319 (Main) | 832-227-2280 (West)

Maria Gabriela Buheis, MD, FAAP

Javier Chinen, MD, PhD

Ivan Kingyue Chinn, MD

Dr. Chinn is a physician-scientist and Director of the Immunogenetics Program at Texas Children’s Hospital. He believes that while social media and internet stories provide great entertainment value, he does not subscribe to the practice of medicine from these sources. Rather, his care of patients... Read more

Address: Texas Medical Center - 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas , Address: West Campus - 18200 Katy Freeway Suite WA460 - 4th Floor Houston, TX 77094 United States See map: Google Maps Texas
Phone: 832-824-1319 (Main) | 832-227-2280 (West)

Carla M. Davis, MD

Ravneet Donegan, MD

Clinical Interests: Asthma Allergic Rhinitis Food allergy

Address: Texas Children's Specialty Care Austin 8611 N. Mopac Expressway, Suite 300 Austin, TX 78759 United States See map: Google Maps Texas
Phone: 737-220-8200

Meera R. Gupta, MD

Dr. Gupta enjoys working with children of all ages and their families to provide the best care possible using cutting edge research and therapies. She strongly believes in educating families about their conditions and treatments to empower them to take an active role in the management of their... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Joud Hajjar, MD, MS

Alison Humphrey, MD

Dr. Alison Humphrey pursued a career in Allergy/Immunology after experiencing allergies and asthma as a child with marked improvement under the care of an Allergist. She understands that allergic disease can significantly impact a child’s quality of life and that treatment must be personalized for... Read more

Address: Texas Children's Specialty Care Austin 8611 N. Mopac Expressway, Suite 300 Austin, TX 78759 United States See map: Google Maps Texas
Phone: 737-220-8200

Jennifer Miller, MD

My primary clinical focus is on the assessment and treatment of allergic diseases such as food allergy, allergic rhinitis, eczema, medication allergies, insect allergies, urticaria, and asthma. I strive to provide my patients with compassionate and comprehensive medical care formed by a... Read more

Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas , Address: Texas Children's Specialty Care Sugar Land 15400 Southwest Freeway, #200 Sugar Land, TX 77478 United States See map: Google Maps Texas
Phone: 832-227-2280 (West) | 281-494-7010 (Sugar Land)

Sarah Kogan Nicholas, MD

Lenora M. Noroski, MD, MPH

Dr. Lenora Noroski has interests, experience and expertise in clinical research and the diagnoses and treatment of patients with primary immunodeficiencies, including rare forms of these diseases in infants, children and adults, as well as secondary immunodeficiencies, particularly HIV and... Read more

Address: 6701 Fannnin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Stephanie Regan, MD

Dr. Regan desires to improve the overall health and quality of life of her patients and their families so their enjoyment of life may not be limited by allergic disease. Clinical Interests: Dr. Regan enjoys caring for children with various allergic diseases including seasonal and perennial... Read more

Address: Texas Children's Specialty Care Sugar Land 15400 Southwest Freeway, #200 Sugar Land, TX 77478 United States See map: Google Maps Texas
Phone: 281-494-7010

Nicholas L Rider, DO

I want to see children and adults with primary immunodeficiency lead vital, high quality lives. Patients with allergic and immunologic conditions should be able to realize their goals to the fullest extent possible. Towards this, my focus is on early diagnosis of primary immunodeficiency disease... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Filiz Seeborg, MD

My philosophy as an academic physician is guided by the goal of improving the health and well being of children and their families who come to Texas Children's Hospital for help. I try to achieve this goal through excellence in clinical care, facilitation of clinical research that informs best... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Lisa Forbes Satter, MD

Dr. Lisa Forbes is an Assistant Professor of Pediatrics in the Section of Immunology, Allergy and Rheumatology at Baylor College of Medicine and Texas Children’s Hospital. She is also the Medical Director for the Texas Children’s Center for Human Immunobiology. Dr. Forbes specializes in treating... Read more

Address: 6701 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Neha Seth, MD

I strive to provide the highest quality of care to my patients and their families with allergic disorders and immune deficiencies. Being diagnosed with severe food allergies and or immune deficiencies can be very stressful for the patients and their families. Hence my goal is to make all possible... Read more

Address: Texas Children's Hospital - The Woodlands 17580 I-45 South, 5th Floor, Green Pod The Woodlands, TX 77384 United States See map: Google Maps Texas
Phone: 936- 267-7577

Karen Thursday S. Tuano, MD

Dr. Tuano strives to improve the quality of life of children with allergic and immunologic conditions and help their families manage and cope with these conditions. She sees patients with a wide range of allergic conditions, like eczema, food allergy, allergic rhinitis, asthma, drug allergy, and... Read more

Address: Texas Children's Hospital - The Woodlands 17580 I-45 South, 5th Floor, Green Pod The Woodlands, TX 77384 United States See map: Google Maps Texas
Phone: 936-267-7577

Nurse Practitioners

Melissa L. Hearrell, MSN, APRN, FNP-C

Melissa Hearrell is an Advanced Practice Registered Nurse licensed as a Family Nurse Practitioner. She is a passionate provider who believes in patient centered care. She strives to determine and meet the patient’s needs in an understanding and supportive environment that provides comforting,... Read more

Address: 6701 Fannin Street Wallace Tower, 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-7986

Beverly A. Lucas, MSN, APRN, FNP-C

My goal is to provide the highest level of care to all patients living with allergic diseases. I want to ensure that each patient and family that I encounter receives compassionate, focused and individualized care. I strive to improve each person's quality of life and aid in achieving their... Read more

Address: Texas Children's Hospital - West Campus 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas
Phone: 832-227-2280 (West)

Larraine Lyter-Reed, FNP-BC, MSN, APRN

To listen and understand the experience of my patients and families of living with chronic disease and facilitate a treatment plan that will improve their quality of life. Clinical Interests: All things allergy along with primary and secondary immune deficiency. Research Interests: Food allergy,... Read more

Address: 6701 Fannin Street Wallace Tower, 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Kathleen Pitts, PhD, APRN, PNP-BC, MPH

I approach each patient from a viewpoint of trying to learn and understand their needs: physical, psychological, and emotional. Additionally, I believe it is important to develop a relationship with the patient and help them actively regulate their own behavior. All interactions with the patient... Read more

Address: 6701 Fannin Street Wallace Tower, 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1595

Ashley Reiland, MS, APRN, FNP-C

I strive to care for patients living with allergic disease as well as primary and secondary immunodeficiencies and to facilitate treatment plans that will improve their quality of life. Clinical Interests: Primary Immune deficiency and Immune Dysregulation, Lymphoproliferative disorders, Solid... Read more

Address: 6701 Fannin Street Wallace Tower, 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Practice Administrator

N. Kim Nguyen, MBA

Patient Care Manager

Jennifer Neidinger

Director of Research

Chivon McMullen-Jackson, RN, BSN

Asst. Director of A/I Laboratory

Sara Nandiwada, PhD, D(ABMLI)