All our professionals at Alpine Family Dentistry maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry.

Alpine Family Dentistry

Here at Alpine Family Dentistry, we strive to bring our skill, education, and experience to our patients to provide the best dental result.

Rebekah Sheppard DDS    Dr Sheppard  is the new owner of Alpine Family Dentistry.  She is a graduate of University of Detroit Mercy School of Dentistry and is happy to be serving the Gaylord area.  More info soon to come!

Ralph Kooistra DDS

Dr. Ralph Kooistra is originally from Grandville, Mi. He graduated from Michigan State University with dual BS degrees in biology and Theology, and then graduated from Summa Cum Laude from University of Detroit Mercy with a Doctorate of Dental Science degree. After three years in the U.S. Army, including one year in advanced general dentistry training, he spent the next two years in a graduate training program, in pediatric dentistry at the University of Missouri, Kansas City. Dr. Kooistra has been in the private practice in Gaylord since 1997. Dr. Kooistra primarily sees pediatric and adult patients for general dentistry, but also enjoys orthodontics, and making sleep appliances for  people of all ages. He is a member of the Michigan Dental Association, American Dental Association, Vacationland Dental Society, the American Academy of Pediatric Dentistry and Omicron Kappa Upsilon.. 

 Laurie Sherman DDS

Dr. Laurie Sherman is from East Jordan, MI. She attended the University of Michigan and Central Michigan University for her pre-dental requirements, and received her Doctor of Dental Science degree from the University Of Detroit Mercy School Of Dentistry, whereupon she immediately returned home to Northern Michigan. She has been in private practice since 1993. Dr. Sherman enjoys all aspects of general dentistry, but has a special interest in TMJ diagnosis and therapy. She is an alumni of the Dawson Academy, and the Piper Education and Research Center.   Dr Sherman has attended the Engel Institute where she has had extensive training in dental implants.

Dr. Kooistra and Dr. Sherman are married and are proud parents of two daughters, Elizabeth and Christina. Outside of work, you can find Dr. Kooistra spending time with his girls or snowmobiling. Dr. Sherman loves family time and relaxing with her horses.

Both Dr. Sherman and Dr. Kooistra are committed to providing their patients with the best state-of-the-art dentistry, along with maintaining some of the traditional methods that their patients are comfortable with.




Amanda Collier RDH, Office Manager 

Amanda is originally from Gaylord, and graduated from Gaylord High School and Lansing Community College. She is married to William, and has two handsome sons, David and Zane.  Outside of work Amanda loves to garden.

Linda Curry- Receptionist 

Linda was born and raised in Gaylord, graduated from Gaylord Community Schools,and attended Western Michigan University. She has been married to Lee for over 40 years, has six children, 10 (maybe more since this was written), and 2 great grandchildren. She has been a great asset to the office since 2000.


Betsy Smith   Dental Assistant     Betsy also brings many years of dental experience to our office. She is our resident workaholic , who, outside of work, can be found in the kitchen or refinishing furniture. ( more work). She is also the mother of five grown children and grandmother of four. 


Carla Harder - Dental Assistant    Carla  works primarily with the pediatric and orthodontic patients, but is skilled in all fields of dentistry. At home she enjoys spending time with her husband, daughter, and  two grown sons. 



Deborah Keene RDH-  Deb has been with our office since 2015 helping to educate and keep our patient's teeth pearly white.  At home she has one grown daughter and one precious granddaughter.


Sarah Greenfield RDH      Sarah works in the "Jungle Room" trying to keep all of the wild children free of plaque.  At home, she and Tim are parents to two young children (twins).

Alpine Family Dentistry
3096 W M 32
Gaylord, MI 49735
(989) 731-2087

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