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About

Carolina Asthma & Allergy Center is a Charlotte-area, board-certified physician-led practice specializing in asthma and allergy care. It operates 17 offices in the region, including services in Cornelius through nearby locations. Highlights include allergy testing (food, patch, venom, drug), oral immunotherapy, spirometry, exhaled nitric oxide testing, exercise challenges, and dietitian support. Established in 1952, the center emphasizes patient education and comprehensive care for all ages, with a focus on improving quality of life and managing allergy/asthma effectively. Main contact: (704) 372-7900.

Clinic Type

Allergy and Asthma Care

Address

19475 Old Jetton Rd Suite 100, Cornelius, NC 28031

Phone

(704) 372-7900

Email

lisa.biswas.p1@direct.caac.nextgenshare.com

Opening Hours

Monday–Friday, 9:00 am–5:00 pm (typical, per-location hours may vary)

Services Offered

  • Allergy care
  • Asthma treatment
  • Allergy testing
  • Food allergy testing
  • Allergy shots
  • Exhaled nitric oxide test
  • Spirometry
  • Pediatric allergies
  • Angioedema
  • Insect allergies
  • Dermatology related allergies
  • Conjunctivitis
  • Dermatitis
  • Pollen/mold counts

Technology & Equipment

  • Spirometry
  • Exhaled Nitric Oxide (FeNO) testing
  • Allergy testing
  • Oral immunotherapy (referenced in extras)
  • Patch testing
  • Dietitian services (referenced)

Team

  • J. Gray Norris, MD — MD
  • Lisa Biswas, MD — MD
  • Krista Coppola Patterson — DNP, MSN, RN-BC, FNP-C, FNP-BC

Insurance & Payment

Languages Spoken

  • English

FAQs

What services are offered at the Cornelius location?

Allergy and asthma diagnosis and treatment; allergy shots available; diagnoses for food, skin, and other allergies.

What are the office hours?

Office Hours: Monday–Friday 8am–12:30pm; 1:30pm–5pm. Friday is closed. Shot Room Hours follow a similar weekday schedule with specific morning/afternoon slots and Friday closed.

What are the Shot Room hours?

Shot Room Hours: Monday–Thursday 8:30am–12:30pm; 2:00pm–4:30pm. Friday: CLOSED.

Where is the Cornelius location?

19475 Old Jetton Rd Suite 100 Cornelius, NC 28031.

What is the phone number to call for appointments?

Phone: (704) 372-7900.

Is there a fax number available?

Fax: (704) 998-0921.

What counties or areas does this location serve?

The Cornelius branch is designed to be convenient for those north of the Charlotte metro area, near I-77, close to Davidson College and Lake Norman; serves Huntersville and other cities north of Charlotte.

Can I get allergy shots at this location?

Yes, you may also receive allergy shots at our Cornelius location.

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • promallu.com: 4.9/5 (293)
  • Yelp: 2.7/5 (84)
  • rater8 (overall network): 4.92/5 (17,000+)

Patients praise

  • warm, personable, and compassionate staff members
  • providers who are thorough, attentive, and knowledgeable
  • professional bedside manner and willingness to listen to patient concerns
  • efficient and friendly patient check-in experiences

Common complaints

  • reports of dismissive bedside manner from some staff or providers
  • complaints about unrealistic operating hours
  • concerns regarding billing transparency and price changes
  • allegations of unprofessional conduct or staff making unkind comments
  • frustration with treatment plans or lack of effective follow-up solutions

"The moment I walk through the door, she greets me with the warmest smile and puts me at ease. She always makes sure I feel cared for and never rushed."

Patient review for Carolina Asthma & Allergy Center

"Rude staff and doctors... I overheard the doctor and nurses making fun of me while I waited in my room."

Better Business Bureau (BBB) complaint

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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