Gregory Danielson, MD. Midwest ENT & ALLERGY
About This Business
Gregory Danielson, MD, practices otolaryngology in Sioux Falls, South Dakota, with 25 years of experience since graduating from the University of Vermont College of Medicine in 2001, above the 22-year average among the 113 Sioux Falls physicians in our directory. He is one of two otolaryngology physicians among the 113 Sioux Falls doctors in our directory. His Medicare profile lists upper GI endoscopy for acid reflux, melanoma excision, and removal of skin lesions among his most frequent procedures. He is affiliated with Sioux Falls Specialty Hospital, Huron Regional Medical Center, Avera McKennan Hospital and University Health Center, and Sanford USD Medical Center. He accepts Medicare; telehealth is not currently listed among his services. Patient sentiment is exceptional: a 4.9 rating across 145 reviews.
Verified Provider Info
- Specialty (per registry)
- Otolaryngology
- NPI Number
- 1326063678
- Medical school graduate
- 2001 (25+ years of practice)
- Medical school
- UNIVERSITY OF VERMONT COLLEGE OF MEDICINE
- State license
- RT1606 (NH), 13952 (NH)
- Hospital affiliations
- Sioux Falls Specialty Hospital · Huron Regional Medical Center · Avera Mckennan Hospital & University Health Center
- Common services (Medicare data)
- Upper gastrointestinal (GI) endoscopy for acid reflux · Melanoma (skin cancer) excision · Removal of skin lesions
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-18
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Information last updated: August 23, 2026
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