# CERTIFIED Allergy & Asthma of San Antonio > Board-certified allergy, asthma, and immunology care in San Antonio, Texas. Independent, physician-owned practice led by Dr. Daniel Ramirez Jr. and Dr. Robert Ramirez (cousins). Every patient sees an allergist at every visit. CERTIFIED Allergy & Asthma of San Antonio (CAASA) is an independent specialty practice serving adults and children across South Texas. The practice treats seasonal allergies, asthma, food allergies, eczema, chronic sinusitis, drug allergies, insect allergies, immunodeficiencies, and related conditions. All content is available in English and Spanish. The practice is known locally for cedar fever (mountain cedar pollen) expertise during the South Texas winter pollen season, oak and ragweed allergy care, and offering advanced services including biologic therapies, immunotherapy (allergy shots), food and drug challenges, pulmonary function testing, and immunoglobulin therapy. ## Practice at a glance - **Name:** CERTIFIED Allergy & Asthma of San Antonio (CAASA) - **Legal name:** CERTIFIED Allergy & Asthma Consultants - **Physicians:** Dr. Daniel Ramirez Jr., MD, FACAAI and Dr. Robert Ramirez, MD, FACAAI (cousins). Both board-certified in Allergy and Immunology; both treat adults and children. - **Specialty:** Adult and Pediatric Allergy, Asthma, Eczema, and Immunology - **Model:** Independent, physician-owned. Every patient sees an allergist at every visit. - **Languages:** English, Spanish - **Website:** https://sanantonioallergist.com - **Also at:** https://certifiedallergysa.com ## Locations, phone, and hours **Medical Center office** - Address: 8285 Fredericksburg Rd, San Antonio, TX 78229 - Phone: (210) 614-3923 - Fax: (210) 614-9306 - Hours: Mon-Tue 8am-6pm, Wed-Thu 8am-5:30pm, Fri 8am-1pm. Closed Sat-Sun. **Lincoln Heights office** - Address: 999 E Basse Rd #118, San Antonio, TX 78209 - Phone: (210) 822-5300 - Fax: (210) 822-5308 - Hours: Tue-Thu 8am-5pm, Fri 8am-12pm. Closed Mon, Sat-Sun. ## Service area Serves patients throughout San Antonio and the surrounding Bexar County area, including Alamo Heights, Stone Oak, Shavano Park, Terrell Hills, Olmos Park, Castle Hills, Leon Valley, Helotes, Boerne, Fair Oaks Ranch, Schertz, Cibolo, Universal City, Converse, New Braunfels, and Seguin. Both offices are inside Loop 410 within San Antonio city limits. ## Questions patients commonly ask - **Do you accept new patients?** Yes. Request an appointment at /appointment-request or call either office. - **Do you see children?** Yes. Both physicians treat pediatric and adult patients. - **Do you accept Medicare?** Yes, and most major commercial plans and ACA marketplace plans. Full list at /insurance. The practice does not accept Friday Health or Zelis-administered plans. - **Is a referral required?** Depends on the insurance plan. HMO plans typically require a referral; PPO plans usually do not. Check with your insurer or the office. - **Do you offer allergy shots (immunotherapy)?** Yes. See /services/immunotherapy. - **Do you offer biologic therapies for asthma, eczema, chronic urticaria, and nasal polyps?** Yes, including options such as Xolair, Dupixent, Nucala, Fasenra, Tezspire, and others. See /services/biologic-therapies. - **Do you do food or drug challenges?** Yes, in-office under physician supervision. See /services/food-challenges and /services/drug-challenges. - **What is cedar fever?** An intense winter allergic reaction to Ashe juniper (mountain cedar) pollen that peaks in San Antonio from mid-December through February. Overview and treatment at /patient-education/mountain-cedar. - **What are the main San Antonio allergy seasons?** Mountain cedar in winter, oak in spring, grasses in late spring and summer, ragweed in fall, dust mites and molds year-round. See /allergies-san-antonio. - **How should I prepare for allergy testing?** Stop most antihistamines several days before testing. Full list at /medications-to-avoid. - **Do you have a patient portal?** Yes, at /patient-portal. - **Where are you located?** Two offices: Medical Center (8285 Fredericksburg Rd) and Lincoln Heights (999 E Basse Rd #118). See /locations. ## About - [Our Team](/team): Allergist and clinical staff overview - [Dr. Daniel Ramirez Jr., MD](/physicians/daniel-ramirez-md): Board-certified allergist, adult and pediatric allergy, asthma, eczema, and immunology - [Dr. Robert Ramirez, MD](/physicians/robert-ramirez-md): Board-certified allergist, adult and pediatric allergy, asthma, eczema, and immunology - [Locations & Hours](/locations): Medical Center and Lincoln Heights addresses, phone numbers, hours - [What is an Allergist?](/what-is-an-allergist): Explains the specialty and training - [Allergies in San Antonio](/allergies-san-antonio): Local pollen, mold, and allergen overview ## Patient Education — Conditions - [Seasonal Allergies](/patient-education/seasonal-allergies) - [Asthma](/patient-education/asthma) - [Food Allergies](/patient-education/food-allergies) - [Eczema (Atopic Dermatitis)](/patient-education/eczema) - [Chronic Sinusitis](/patient-education/chronic-sinusitis) - [Allergic Conjunctivitis (Eye Allergies)](/patient-education/allergic-conjunctivitis) - [Contact Dermatitis](/patient-education/contact-dermatitis) - [Eosinophilic Disease](/patient-education/eosinophilic-disease) - [Primary Immunodeficiency](/patient-education/primary-immunodeficiency) - [Silent Reflux (LPR)](/patient-education/silent-reflux) - [Drug Allergies](/patient-education/drug-allergies) - [Insect Allergies](/patient-education/insect-allergies) - [Nasal Polyps](/patient-education/nasal-polyps) - [Chronic Urticaria (Hives)](/patient-education/chronic-urticaria) - [Mountain Cedar / Cedar Fever](/patient-education/mountain-cedar): Signature South Texas winter allergy - [Oak Pollen Allergy](/patient-education/oak): Major South Texas spring allergen - [Ragweed Allergy](/patient-education/ragweed): Fall allergen in San Antonio - [Dust Mite Allergy](/patient-education/dust-mites): Year-round indoor allergen ## Services - [Allergy Testing](/services/allergy-testing) - [Immunotherapy (Allergy Shots)](/services/immunotherapy) - [Biologic Therapies](/services/biologic-therapies) - [Food Challenges](/services/food-challenges) - [Drug Challenges](/services/drug-challenges) - [Pulmonary Function Testing](/services/pulmonary-function) - [Immunodeficiency Workup](/services/immunodeficiency-workup) - [Immunoglobulin Therapy](/services/immunoglobulin-therapy) ## For Patients - [Request an Appointment](/appointment-request) - [New Patient Registration & Forms](/new-patient-registration) - [Insurance Information](/insurance): Accepted plans including Medicare and ACA marketplace - [Medications to Avoid Before Testing](/medications-to-avoid) - [Patient Portal](/patient-portal) - [Referring Providers](/referring-providers) ## Spanish / Español - [Inicio (Homepage)](/es) - [Equipo](/es/team) - [Ubicaciones](/es/locations) - [Educación del Paciente](/es/patient-education) - [Solicitar Cita](/es/appointment-request) - [Seguros](/es/insurance) ## Extended context - [llms-full.txt](/llms-full.txt): Longer-form single-file overview for context-hungry AI crawlers ## Optional - [Kids Zone](/kids-zone): Allergy education for children - [Fun Facts](/fun-facts): Quick allergy and immunology facts - [Baked Challenge Recipes](/baked-challenge-recipes): For food challenge preparation