Call us today at (210) 494-0690



Our team is committed to providing quality allergy care to all our patients with allergies and other immunologic disorders


Who we are

Our physicians are here to provide the treatment you need for your allergy conditions, combining an in-depth interview, environmental exposure history, and a physical examination together with specific laboratory tests to help arrive at a diagnosis for your specific allergy conditions.

What we treat

  • Allergic Rhinitis
  • Pet Allergy
  • Asthma
  • Food Allergy
  • Angioedema
  • Hives (Urticaria)
  • Chronic Cough
  • Sinusitis
  • Recurrent Infections
  • Dermatographism
  • Eczema (Atopic Dermatitis)
  • Drug Allergy
  • Immune Deficiency
  • Eosinophilic Esophagitis
  • Vasomotor Rhinitis
  • Latex Allergy
  • Insect Allergy
  • Aspirin Desensitization

Our Clinics

San Antonio Location
Remington Oaks Building
525 Oak Centre Dr., Ste 110
San Antonio, Texas 78258

Mon 7:30 a.m. - 5:00 p.m.
Tues 7:30 a.m. - 4:00 p.m.
Wed 7:30 a.m. - 5:00 p.m.
Thurs 7:30 a.m. - 4:00 p.m.
Fri 7:45 a.m. - 3:00 p.m.

San Marcos Location
601 Leah Avenue
San Marcos, Texas 78666

Mon 8:00 a.m. - 5:00 p.m.
Wed 8:00 a.m. - 5:00 p.m.
Fri 7:00 a.m. - 3:00 p.m.

Find another clinic

Call 210-494-0690

Physician Owned & Operated

Both Dr. Amanda Trott-Gregorio and our PA, Faye Crowell, treat adult and pediatric patients.

Dr. Amanda Trott-Gregorio

Board Certified Allergist/Immunologist

Dr. Trott-Gregorio is an allergist/immunologist who was born and raised in the South Texas area. She received her undergraduate degree in molecular and cell biology from Texas A&M University, and, after medical school, completed residency in pediatrics at The University of Texas Medical Branch in Galveston. She did a fellowship in both pediatric and adult allergy and immunology at Washington University School of Medicine in St. Louis. She and her husband met in medical school and have been blessed with two daughters. She opened Stone Oak Allergy in 2012 and see patients of all ages.

Faye Crowell

Certified Licensed Physician Assistant

Faye Crowell is a certified licensed Physician Assistant who came to Stone Oak Allergy in the spring of 2015. Mrs. Crowell graduated with a BA from Southwestern University in Georgetown, Texas. She completed her master’s degree in Physician Assistant studies at Lock Haven University in Pennsylvania in 2012. She is certified by the National Commission on Certification of Physician Assistants and is a licensed Physician Assistant with the Texas Medical Board. She is a member of the Association of PA's in Allergy, Asthma, and Immunology. She enjoys spending time with her husband and son, who happens to be allergic to peanuts.

Schedule Your Appointment Now

Come get your allergy relief today! Call 210-494-0690 now or click the link below to schedule online.

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