Allergy, Asthma & Sinus Center | Dr. Gary C. Steven
Allergy and Asthma • Marinette, WI • Since 2003 • 1 location locations
About
Summary: Allergy, Asthma & Sinus Center S.C. is a private medical practice specializing in allergy, asthma, and sinus care in southeastern Wisconsin, led by board-certified allergists Dr. Gary C. Steven and Dr. Donald A. Bukstein. The practice offers comprehensive services for children and adults, including allergy testing, asthma education, nitric oxide testing, exercise challenges, fiberoptic rhinoscopy, pollen counting, and scuba diving fitness evaluation. Established in 2003 and headquartered in Greenfield, WI, the center operates with a small team and multiple locations in Wisconsin. The user’s query mentions Dr. Gary C. Steven and Marinette; the provided information confirms Dr. Steven’s leadership at this Wisconsin center, with four Wisconsin offices listed (no Marinette location indicated). If you’re specifically seeking Marinette, contact or verify whether a Marinette-based location exists or inquire at Greenfield/Mount Pleasant offices for potential referrals.
Clinic Type
Allergy and Asthma
Address
8585 W. Ave Suite 200, Greenfield, WI 53228
Phone
(414) 529-8500
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Opening Hours
Not published — contact the clinic to confirm hours.
Website
Telehealth
Virtual visits available
Services Offered
Technology & Equipment
Team
Insurance & Payment
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Online Payments
Languages Spoken
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Photos
What Patients Say
Overall sentiment across review platforms: mixed
- Yelp / Yahoo Local: 2.5/5 stars (7 reviews (Yelp/Yahoo aggregate))
- FindATopDoc: 5/5 stars (3 reviews)
Patients praise
- thorough, outside-the-box treatment plans for chronic or complex conditions
- effective communication and education from staff and doctor regarding patient conditions
- some patients feel well-supported in long-term treatment and lifestyle improvements
- efficient service and helpful support staff in some instances
Common complaints
- reports of dismissive or impatient bedside manner
- concerns about excessive focus on expensive testing and prescription medications
- long wait times and scheduling issues
- one serious allegation of racial discrimination
- perceived lack of transparency regarding costs
"Very pompous. Thinks he knows more then everyone else. Wants you in his drug studies. It is his way or the highway."
— Vitals.com review"Thank God Dr. Stephen sent me to an ENT, they think it's full of fungus but it has to be removed. I'm so thankful he didn't just keep prescribing medicine without seeking the cause."
— LocalityBiz review"Yesterday I experienced racism at its finest.Not only was I sitting for over 30 mins .Just to be told they do not have me in the schedule."
— Yelp/Yahoo reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Wisconsin allergy counts; how we get them, what you need to know | FOX6 Milwaukee — Oct 1, 2025
- Allergies hit SE Wisconsin early but peak intensity may be lower — May 4, 2026
- Mukwonago florist shares helpful tips to fight seasonal allergies this spring — Mar 27, 2026
- Expert Tips for Summer Allergy Relief from Allergy, Asthma & Sinus Center, P.C. Press Services — Jul 17, 2025
- Kathleen M. Magnin, NP - Nurse Practitioner in Green Bay, WI — May 14, 2026
Information sourced from the clinic's website as of July 11, 2026.
More allergy and asthma clinics in Marinette
Bellin Health is a nonprofit health system headquartered in Green Bay, WI, serving northeastern Wisconsin and Michigan’s Upper Peninsula. It offers a wide range of services including primary care, pediatrics, and specialty care (notably heart and vascular, cancer, orthopedics, respiratory/pulmonary, and rehabilitation). For asthma and allergy care specifically, Bellin Health provides specialty services within its clinics and hospitals, focusing on evaluation, management, and treatment of asthma, allergies, and related conditions, with access to allied health services and potential robotic-assisted surgery where applicable. If you’re seeking Marinette-area asthma/allergy care, Bellin Health’s Green Bay and Oconto locations are the closest main sites; confirm local providers in Marinette or nearby clinics through Bellin’s official site or contact numbers.
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