Professional & Passionate About Our Work
Dr. Holly van Hofwegen
DDS | Dentist
Dr. Holly van Hofwegen received her undergraduate degree from The University of Northern Iowa, where she played volleyball for the Panthers. She went on to study at the University of Iowa College of Dentistry and earned her Doctor of Dental Surgery Degree. Post dental school, Holly served in the USAF for 3 years and was stationed at Seymour Johnson AFB in North Carolina.
Dr. van Hofwegen is a member of the International Academy of Facial Aesthetics, Academy of General Dentistry, DOCS Sedation, American Orthodontic Society, the South Dakota Dental Association and The Luke Society. She is committed to furthering her education constantly and providing her patients with the most advanced dental care.
She is passionate about missions and has traveled to Bolivia, Honduras and Haiti to provide dental care to the needy. Presently, she is awaiting the arrival of the newest addition to the family; a little girl from Ethiopia.
Dr. Madeline Pfeiffer
DDS | Dentist
Dr. Madeline Pfeiffer is a native of Sioux Falls. She is the daughter of retired Sioux Falls dentist Dr. Gina Pfeiffer. Dr. Madeline Pfeiffer attended Lincoln High School (go Pats!) where she marched in the Macy’s Thanksgiving Day Parade in 2008 with the LHS Marching Band. She received her undergraduate degree in ACS Biochemistry from Augustana College and graduated with honors in 2015.
Dr. Pfeiffer attended the University of Minnesota School of Dentistry and earned her Doctor of Dental Surgery degree in 2019. She is a member of the American Dental Association and South Dakota Dental Association.
In her free time, Dr. Pfeiffer enjoys going to the cabin with her family, reading, and playing clarinet. She is a season ticket holder of Augie Basketball tickets and is an avid fan. Dr. Pfeiffer is thrilled to be back in her hometown providing dental care to patients of all ages.
Meet the Rest of the van Hofwegen Team
From our receptionist to our dental hygienists and assistants, our education, dedication and compassion for our patients make us stand out from the rest. Read our profiles and come meet us!
Stacy - Office Manager
Stacy graduated from SDSU in 2003 with a Bachelor’s degree in Business Economics and a minor in Accounting. She grew up on a farm near Lennox, SD and joined our office in 2007 as the front office administrative assistant. Stacy has a daughter, Norah, and she enjoys cooking, shopping and traveling, especially cruising.
Ashley - Dental Hygienist
Ashley is a 2010 graduate of USD with her Bachelor’s degree in Dental Hygiene. In college, Ashley received multiple awards for her academic standings and served as President of the Student American Dental Hygienist Association. She has since taken additional training to treat her patients with periodontal disease using laser therapy. Ashley was raised on a small farm near Tyndall, SD. She is recently married to Seth and they live in Tea, SD with their cat, Gus. She enjoys gardening, photography, spending time with family and being outdoors.
Peggy - Dental Assistant
Peggy moved to Sioux Falls from Aberdeen, SD. She is the Invisalign Clin Check Coordinator and has worked in orthodontics for 40 years. She is married with a son, daughter, son-in-law and 2 grandchildren. She enjoys camping, reading and making jewelry in her time off.
Kim - Dental Hygienist
Kim is a 2003 USD graduate with a Bachelor’s degree in Dental Hygiene. She was raised in Jackson, MN, and now lives in Brandon, SD with her husband Paul, and sons Nathan and Nicholas. She enjoys traveling, attending sporting events and spending time with her family. Kim is licensed to practice dental hygiene in SD, MN and IA. Kim has taken additional training to treat her patients with periodontal disease using laser therapy. She is a member of the South Dakota Dental Hygiene Association and the American Dental Hygiene Association.