WELCOME TO ALLERGIC DISEASE & ASTHMA CENTER

Serving the Upstate of SC since 1976

How We Help

What We Treat

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Allergies

We offer comprehensive allergy tests and treatments.

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Asthma

We identifying triggers and develop a proper management plan so you can an lead a healthy, active life.

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Food Allergies

We combine testing with your symptoms and medical history to provide a diagnosis and plan.

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Immune Deficiencies

If you are experiencing recurring infections, it could be the result of an immune deficiency.

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Sinusitis

Sinusitis is the inflammation of sinus cavities, causing congestion and discomfort.

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Insect Sting Allergies

If you have had an allergic reaction due to an insect you should consult with an allergist.

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Skin Allergies

We help diagnose and treat difficult-to-identify allergic skin reactions.

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Drug Allergies

Adverse reactions to medications are common, and can cause a range of symptoms.

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Lung Conditions

We treat certain lung conditions, especially those related to asthma and allergy. 

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ENT

We treat and test for many ear, nose & throat conditions.

Why ADAC?

At Allergic Disease & Asthma Center, we understand the daily challenges of allergies and asthma and are dedicated to improving your quality of life. Our compassionate team provides comprehensive diagnostic and treatment services, and if you're experiencing symptoms

Availability

ADAC has 4 convenient locations to serve the Greenville, Spartanburg and Easley area. We offer extended hours until 6:30 p.m. at certain locations.

Convenience

We offer same-day sick appointments.If a problem arises outside of our normal business hours, there is always one of our providers on call 24 hours a day to assist you.

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Quality

Our physicians are Board-Certified by the AAAAI. Our highly qualified physician assistants are extensively trained in Allergy and Immunology and are certified by NCCPA.

Excellence

Our providers and staff are committed to delivering the highest level of healthcare and support. We believe there is no greater privilege than to provide care for you and your family.

Insurance

We participate with most insurance companies.

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Research

ADAC Research Department participates with several companies to be among the first to benefit from breakthrough therapies, advanced technologies and clinical research trails.

Our Providers

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Emmanuel U. Sarmiento, MD

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Neil L. Kao, MD

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Heema Shah, D.O.

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Candace A. Cothran, PA-C

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Alexandra Tucker, PA-C

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Leigh T. Paxton, PA-C

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Jenifer Peters, PA-C

Daily Pollen Count

Pollen count is the measurement of the number of grains of pollen in a cubic meter of air. The higher the number, the more people will suffer if they are allergic to a particular pollen.

Upstate South Carolina

Pollen count for 05/22/2026: 95

 

TREES

Top 3 species: Pine, Cedar, Poplar

GRASS

WEEDS

Rumex, Plantain

MOLD

Research ADAC

Research Studies

Our office has been doing research drug studies continuously since 2000. All studies provide excellent patient care and most provide support for getting medications for the condition being studied. 

What Our Patients Are Saying

Learn why patients choose ADAC by reading through their testimonials.

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"I am very happy with the doctors and nurses. They genuinely care about their patients. The doctors are willing to listen to all patient concerns. The doctor took time to explain his diagnosis."

Christy Adams

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"I love this place! The people are always very nice and genuinely care. They also are very professional, but still have fun and love their job!"

Brianna Madak

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"They were able to get me in quickly and are great at going over all the information you need and taking the time to answer questions. Great experience!"

Lori Barrios

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"Having suffered with Chronic Asthma for a number of years I am now enjoying a new lease of life due to the excellent care and research from ADAC. I would encourage fellow sufferers to sign up for one of their research programs. The professionalism and dedication from these unsung heroes is second to none!"

D. Sharp

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"I LOVE ADAC! Dr. Sarmiento and all the staff are so knowledgeable and personable. I have been under their care for many years. They always make an accurate diagnosis in a timely manner. I wouldn't go anywhere else!"

Deborah Rickabaugh

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"Very caring doctors and staff!"

Nancy Hendley

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"We saw Dr Sarmiento. Answered all of our questions. Gave us a treatment plan. Very informative and smart doctor. Everyone in the office was amazing. The front desk, the nurses and medical assistants were super efficient and kind."

N. R.

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"ADAC is professional, caring, and works hard to determine what is causing either an allergy problem or asthma. I am so grateful that they were recommended to me!"

Ginger Gilbert

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"Dr. Neil L. Kao, MD, was incredible! The staff there was second to none. I walked in with my 6-year-old daughter, with allergies and a sinus infection, and we received the best treatment and education. My daughter got to see what was going on within her nose under a microscope (which we thought was incredibly educational), and she had a doctor who cared enough to explain the process to her and I. This location was aesthetically pleasing as well. Thank you for all you do, ADAC!"

Kalie McCune

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"I was referred to this practice and saw Dr Leigh Paxton. She was very knowledgeable and attentive. Definitely recommend. Thank you."

Denise Bouchard

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"Dr. Kao and his staff are amazing! I personally saw him 5 years ago for my own allergy issues (resolved thankfully) and now we are bringing our 4.5 month old baby girl and they have been great with her so far! 5/5 recommend Dr. Kao and his staff, so thankful for them!"

Shaelyn Jenkins

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"Staff was very helpful and the doctor wasn't dismissive and really cares about his clients and explained very throughly about the process of allergies and the steps. Probably one of the best experiences I've had from a doctors office in a long time."

Kelly Schoenholz

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"The staff is very friendly, they listen and address your needs, very clean office, their efficient. I normally do not like going to the doctors office but I really enjoyed my first my first visit there and look forward to my next visit."

Frank Gaston

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"The place is clean, has fast and friendly staff."

BK Kapadia

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"All physicians and staff are knowledgeable and kind. I've been a patient for many years and always feel I am receiving the best care."

Kim Rosson

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"This is by far one of the best offices I've been to. Every single staff member was friendly, smiling, and enthusiastic. The nurses and doctors took the time to explain things to me in terms I would understand and they also made my daughter feel comfortable. They were very quick with scheduling appointments and also were courteous enough to send reminders. I would, without a doubt, recommend this office. 100%."

Olivia Jackson

Our Locations

E. Butler Road Office

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1202 E Butler Rd, Greenville, SC 29607

P. (864) 627-3800F. (864) 672-2654

Easley Office

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5155 Calhoun Memorial Hwy, Easley, SC 29640

P. (864) 442-5176F. (864) 672-2654

Butternut Drive

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2 Butternut DriveGreenville SC 29605

P. (864) 295-2492
F. (864) 672-2654

Spartanburg Office

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3020 Reidville Rd, Spartanburg, SC 29301

P. (864) 699-4870
F. (864) 672-2654

Anderson Office

ADAC Anderson Office

109 Buford Ave,
Anderson, SC 29621

P. (864) 627-3800
F. (864) 672-2654