Welcome to North Texas Allergy and Asthma Associates
Nearly a Century of Allergy and Asthma Expertise
At North Texas Allergy and Asthma Associates, we have been helping children and adults breathe easier since 1927. What began as one of the foremost allergy practices in the Southwest has grown into a full allergy and immunology group serving families across the region — carrying forward the same commitment to careful diagnosis and lasting relief that defined us from the very beginning.
Every physician on our team is board certified in allergy and immunology, and each brings a distinct area of specialization to the practice. We pair advanced diagnostic testing with treatment plans built around your history, your triggers, and your daily routine, so you spend less time managing symptoms and more time doing what you love. Call (214) 369-1901 - Walnut Hill Office , (972) 596-4383 - Plano Office , (214) 440-5688 - Irving Office or (214) 369-1907 - Junius Street Office to schedule a visit at any of our Dallas, TX , Plano, TX , Irving, TX area locations.
Nearly 100 Years of Easier Breathing
For generations, North Texas Allergy and Asthma Associates has helped families in Dallas, TX , Plano, TX , Irving, TX live free from the limits of allergies and asthma. Press play to see where it all began.
Our Services
Meet Our Providers
Sandeep Gupta, MD
President
July 2004, Dr. Sandeep Gupta joined Dr. Holman after completing his medical training in Los Angeles. Dr. Gupta completed his Allergy, Asthma, & Immuno...
Read MoreHoward Crisp, MD
Senior Staff Physician
Medical Director
Dr. Howard Crisp joined North Texas Allergy & Asthma Associates in 2014, where he devotes his practice to treating each patient’s unique allergy and...
Read MoreNastaran Safdarian, MD
Senior Staff Physician
Dr. Safdarian joined North Texas Allergy & Asthma Associate in 2011. She offers allergy and immunology services at two locations in North Texas: Dall...
Read MoreArchana Narayan, MD
Senior Staff Physician
Dr. Archana Narayan offers a full range of allergy and immunology services at North Texas Allergy & Asthma Associates. Since joining the practice in 2...
Read MoreKeerthi Karamched, MD
Associate Staff Physician
Keerthi Karamched, MD, is a skilled allergist and asthma specialist who offers patient-centered care at North Texas Allergy & Asthma Associates. Dr. K...
Read MoreChristina Huddleston, MD
Staff Physician
Dedicated physician Christina Huddleston, MD, is Board Certified in Adult and Pediatric Allergy and Immunology and Pediatrics and has been seeing pati...
Read MoreJamie Yeager, MD
Staff Physician
Jamie Yeager, MD is an allergist and clinical immunologist at North Texas Allergy & Asthma Associates. She joined the practice in 2022 and sees patien...
Read MoreAshwin Kumar Shankar, D.O.
Staff Physician
Dr. Ashwin Kumar Shankar, D.O., is a board-certified pediatric and adult allergist/immunologist dedicated to personalized, evidence-based care. He com...
Read MoreChayse Jackson, PA-C
Staff PA-C
Chayse Jackson (Capps) PA-C is a board-certified Physician Assistant and will be seeing patients at North Texas Allergy & Asthma Associates in Dallas,...
Read MoreTaylor Krings, PA-C
Staff PA-C
Grew up in McKinney, TX Undergrad: University of Oklahoma, Bachelors in Psychology, graduated in 2019 PA school:...
Read MoreCaitlin Steele, FNP-C
Staff FNP-C
Grew up in Flower Mound, TX Undergrad: Florida State University, Bachelors of Science in Nursing, graduated in 2015 NP...
Read MoreJenifer R. Slayton, APRN, FNP-C
Staff FNP-C
Jenifer Slayton, APRN, FNP-C is a board-certified Family Nurse Practitioner who will be providing patient-centered care at North Texas Allergy & Asthm...
Read MoreNina Bharadwaj, MPAS, PA-C
Staff PA-C
Nina was raised in McKinney, Texas. She received her degree in psychology and dance from Tulane University in New Orleans, Louisiana where she graduat...
Read MoreHaylee “Rebecca” Hauser, MPAS, PA-C
Staff PA-C
Rebecca is a NCCPA-certified physician assistant who joined Texas Regional Asthma and Allergy Center in April 2025. She graduated from the UNTHSC PA p...
Read MoreWhat to Expect at North Texas Allergy and Asthma Associates
- Allergy Testing That Delivers Real Answers
At North Texas Allergy and Asthma Associates, testing is thorough, unhurried, and reviewed with you the same visit. You can expect in-office skin testing, clear explanation of every result, and a provider who takes the time to connect what you’re reacting to with what you’ve actually been experiencing—so you leave informed rather than guessing.
Read More - Asthma and Immunology Care with Continuity
Beyond testing, North Texas Allergy and Asthma Associates offers ongoing management of asthma, chronic hives, drug reactions, and immune deficiency. Your plan is tailored to your history and your schedule, with attentive follow-up on immunotherapy, biologics, and daily medication—so your care progresses without starting over at every appointment.
Read More - Whole-Family Care, Grounded in Expertise
Your health is more than a single symptom. North Texas Allergy and Asthma Associates combines board-certified allergy and immunology expertise with care for children and adults alike, delivered across four convenient Dallas, TX , Plano, TX , Irving, TX area locations with early morning injection room hours—so treatment fits into your life in a way that’s both comprehensive and genuinely practical.
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Our Hours
Injection Room Hours
Clinic Office Hours
Visit Us
Our goal is for you to leave our office with a memorable and enjoyable experience, which is why our welcoming and compassionate staff will do everything they can to make you feel right at home.
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Walnut Hill Office
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Plano Office
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Irving Office
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Junius Street Office
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