Allergy & Asthma Center in Ellicott City: Immunotherapy and Pediatric Focus
The Allergy & Asthma Center in Ellicott City is a privately held allergist practice offering allergy testing, asthma management, and immunotherapy across multiple locations in the Baltimore metro area. The practice distinguishes itself through a dedicated pediatric allergy program and on-site immunotherapy services, positioning it as a full-service option rather than a referral-dependent clinic. Unlike many allergists in the region who handle adult cases and refer children elsewhere, this center treats both populations in one practice.
What the practice actually is
The Allergy & Asthma Center operates as a multi-provider allergist office specializing in diagnosis and long-term management rather than acute care. The Ellicott City location serves Howard and northern Baltimore counties and functions as a satellite to the practice's larger Columbia and Towson sites. The practice is independent and not part of a hospital system, meaning referrals are patient-initiated rather than filtered through a primary care gatekeeper, though insurance plans often still require a referral from a PCP before the visit is covered.
Services and pricing
The practice offers diagnostic allergy testing (skin prick and intradermal tests), pulmonary function testing for asthma, and subcutaneous immunotherapy (allergy shots). Sublingual immunotherapy (tablets placed under the tongue) is also available for certain allergens. In-office testing typically costs between $200 and $500, depending on the number of allergens tested; verification of exact fees is necessary, as insurance coverage and out-of-pocket costs vary widely by plan. Immunotherapy involves an initial series of weekly injections during a build-up phase, then maintenance injections every two to four weeks, with total treatment duration typically three to five years. Individual shot costs range from $20 to $60 per visit depending on the allergen mix, and most insurance plans cover immunotherapy if medically necessary.
Consultation visits without testing start around $150 to $300 for new patients. The practice accepts most major insurance plans (Anthem, Aetna, United Healthcare, Cigna, CareFirst), though verifying your specific plan before scheduling is essential, as coverage for testing and immunotherapy varies significantly.
How it compares to other Ellicott City and Howard County allergists
The Allergy & Asthma Center's main structural advantage is the combination of pediatric and adult services in one practice. Many allergists in the Baltimore region (including some at Medstar and UM practices) handle adults well but require pediatric patients to be seen by a separate pediatric allergist, often adding referral steps and wait times. Johns Hopkins medicine does employ allergists at its Columbia and Bayview locations, but those clinics prioritize established Hopkins primary care patients and can have longer waits for new patients (often 4 to 8 weeks). In Ellicott City proper, independent allergist options are limited; the Allergy & Asthma Center location is one of few standalone allergy practices in the immediate area, reducing travel for local residents.
For adults seeking cosmetic allergy care (like allergy-triggered skin conditions), UM Dermatology or Johns Hopkins Dermatology may co-manage cases, but allergists at those institutions typically focus on systemic conditions first. For families needing pediatric-only care with minimal wait, the practice's dedicated children's schedule may shorten appointment lead times compared to general pediatric clinics offering allergy services.
Who it suits and who it does not suit
This practice is well-suited to patients with established or suspected IgE-mediated allergies (environmental, food, or drug allergies) who want testing and long-term management, particularly families wanting to keep children and adults in the same practice. It works well for patients committed to a multi-year immunotherapy course and willing to attend frequent appointments during the build-up phase. Patients with health insurance that covers allergy services typically experience lower out-of-pocket costs here than at urgent care or ER settings.
The practice is not the right fit for acute allergy relief (anaphylaxis, severe reactions) requiring emergency care; patients needing immediate help should go to an ER at Howard County General Hospital or another emergency facility. It is also not suitable for patients seeking allergy avoidance counseling alone without testing or immunotherapy, since the practice model centers on active diagnosis and treatment. Uninsured patients may find costs substantial; cash-pay options exist, but individual affordability depends on the extent of testing and treatment planned.
What the first visit involves
New patients typically complete a detailed allergy and asthma history before seeing the allergist, either on paper or via an online form. During the initial appointment, the allergist performs a clinical examination, reviews environmental exposures and symptom patterns, and discusses treatment goals. If allergy testing is planned, skin testing is often performed during the same visit. Results appear within 15 to 20 minutes, and the allergist discusses findings and a treatment plan (which may include allergen avoidance, medications, or immunotherapy initiation). If immunotherapy is chosen, some practices begin the build-up phase immediately or schedule a separate visit; confirmation of the Ellicott City location's exact protocol is advisable. The entire first visit, including testing, typically takes 60 to 90 minutes.
Hours, parking, and logistics
The Ellicott City location is situated in the general Ellicott City business area. Hours typically run Monday through Friday, 8:30 a.m. to 4:30 p.m., with limited Saturday availability at some of the practice's other locations. Verification of current hours is necessary, as staffing and scheduling change seasonally. Street parking or dedicated lot parking is available; specific lot details should be confirmed directly. The practice is accessible by car; public transit options are limited in Ellicott City, so driving is the primary option for most patients.
The Allergy & Asthma Center fills a gap in Howard County's specialist landscape by consolidating pediatric and adult allergy care in one location with on-site immunotherapy, reducing the need for multiple referrals and out-of-practice appointments that many families face elsewhere in the Baltimore region.

