Allergy and Immunology
Allergy and Asthma • Reynoldsburg, OH • Multiple outpatient clinics in Columbus metro area including Main Campus Outpatient Care Center and satellite clinics (Hilliard, Lewis Center, Westerville) locations
Clinic Type
Allergy and Asthma
Address
Allergy, Asthma and Immunology Clinic Outpatient Care Center, 555 S. 18th St., Columbus, OH 43205; Hilliard Close To Home Center, 4363 All Seasons Drive, Hilliard, OH 43026; Lewis Center To Home Center, 7853 Pacer Drive, Delaware, OH 43015; Westerville Surgery Center, 455 Executive Campus Drive, Westerville, OH 43082; Early Peanut Intervention Clinic, 555 S. 18th St., Columbus, OH 43205
Phone
614-722-5500 (primary clinic lines); 614-722-5112 (Early Peanut Intervention Clinic)
Children'sPatientAccounts@NationwideChildrens.org
Opening Hours
Mon–Fri 9 am – 4 pm (at least for some clinics listed)
Telehealth
Available for select specialties and online opinions
Emergency Care
Emergency care available at Nationwide Children’s Hospital Emergency Department (locations linked in extras)
Services Offered
Technology & Equipment
Team
Insurance & Payment
—
Pay My Bill / Price Information List, Billing and Insurance information available online
Languages Spoken
—
Pricing
FAQs
What are the clinic hours?
Mon. – Fri. 9 am – 4 pm
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: positive
- rater8 (for Ohio ENT and Allergy Physicians): 4.91/5 (22,000+ ratings)
- Healthgrades (Dr. Scott Bagenstose): 4.9/5 (129 ratings)
- Healthgrades (Dr. Grace Ryu): 4.1/5 (8 ratings)
Patients praise
- Professional, kind, and knowledgeable medical staff
- Thorough evaluations and clear communication of treatment plans
- Efficient and timely office experiences
- Improved quality of life following treatment
- Welcoming and clean office environments
Common complaints
- Significant increases in medication/serum pricing following clinic mergers or changes in affiliation
"Because of him my quality of life has improved greatly. I highly recommend him."
— Healthgrades (Dr. Scott Bagenstose)"We have had a great experience with Dr. Grace while we are in the office... However, Dr. Grace, we are very disheartened about the vial price change since you joined the Family Allergy & Asthma team."
— Healthgrades (Dr. Grace Ryu)"Everything was great, on time and the doctor and nursing staff were outstanding, as always. Thanks for making a doctors appointment so enjoyable!"
— rater8 (Ohio ENT and Allergy Physicians)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Scott Bagenstose, MD – Allergist-Immunologist for Allergic Conjunctivitis in Columbus, OH — Jan 31, 2026
- Dr. Basil Kahwash, MD – Allergist-Immunologist for Acute Sinusitis in Columbus, OH — Dec 29, 2025
- Dr. Rebecca M. Slaunwhite, MD - Pediatrician in Reynoldsburg, OH — May 14, 2026
- Dr. Margaret Kuder, MD - Independence, OH - Allergy and Immunology, Pediatric Allergy and Immunology - Request Appointment — Dec 2, 2025
- Rebecca Slaunwhite, MD - Central Ohio Primary Care — Aug 7, 2025
Information sourced from the clinic's website as of July 11, 2026.
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