Our Team

Chief of Service

As Chief of the Section of Immunology, Allergy and Rheumatology at Texas Children's Hospital and Baylor College of Medicine, Dr. Orange is committed to the strongest, most effective, compassionate and innovative clinical programs related to immunologic, allergic and rheumatologic diseases that... 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

Dr. Buheis focuses in the diagnosis and treatment of allergic diseases such as food allergy, allergic rhinitis, eczema and asthma. In her practice at West Campus, Dr. Buheis works closely together with the families as well as other physicians and team members to provide excellent, comprehensive... 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)

Kristin H. Dillard, MD, FAAP

Dr. Dillard is a Pediatric Allergy and Immunology specialist in the Department of Pediatrics at Baylor College of Medicine. She obtained her Doctorate of Medicine (M.D.) from The University of Texas Southwestern Medical School. After graduation, Dr. Dillard completed residency in Pediatrics at... 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)

Joud Hajjar, MD, MS

I'm trained Internal Medicine as well as Allergy and Immunology. I have launched the transition program for adolescents and young adults with primary immunodeficiency disorders at Texas Children's Hospital to transition those individuals into adult care. My clinical interest is in primary... Read more

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

Nicholas L Rider, DO

Dr. Rider enjoys working with children of all ages and has a particular focus of expertise in the genetics, management and development of novel therapeutics for patients with complex immunological diseases. He has experience working in the non-profit/underserved medical communities of South/... 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

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

Javier Chinen, MD, PhD

Ivan Kingyue Chinn, MD

I subscribe to the school of thought that diagnosis and treatment of patients should be based upon objective data. Today, people too quickly believe everything that they "research" from the internet, media, friends or relatives, and so forth. I do not treat patients from anecdotal reports. My care... 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

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

Kristin H. Dillard, MD, FAAP

Lisa Renee Forbes, 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

Joud Hajjar, MD, MS

Sarah Kogan Nicholas, MD

My goal is to pursue a lifelong career in academic medicine. I have dedicated my career, thus far, to learning and researching the functions of the immune system and its implications on human disease. I spent a year working with Dr Joshua Farber investigating CXCR3 chemokines at the National... Read more

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

Lenora M. Noroski, MD, MPH

Dr. 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 malnutrition,... Read more

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

Jordan Scott Orange, MD, PhD

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: Sugar Land Health Center 15400 Southwest Freeway, #200 Sugar Land, TX 77478 United States See map: Google Maps Texas
Phone: 281-494-7010

Nicholas L Rider, DO

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

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

William T. Shearer, MD, PhD

I have been involved in the clinical investigation of patients with primary and secondary immunodeficiency diseases for 40 years and have been involved in bone marrow and cord blood stem cell transplants for severe combined immunodeficiency (SCID). The David Center, named for "David the Bubble Boy... Read more

Address: 6621 Fannin Street 9th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

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

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

Kathleen Pitts, RN, MSN, MPH, C-PNP, NNP

Practice Administrator

N. Kim Nguyen, MBA

Director of Research

Chivon McMullen-Jackson, RN, BSN

Patient Care Manager

Donald Thigpen, RN

Address: 6701 Fannin Street 9th Floor (A&I), 11th Floor (Rheumatology) Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-1319

Asst. Director of A/I Laboratory

Sara Nandiwada, PhD, D(ABMLI)