Dr. Donald Wayne Cassidy, D.M.D.
OrthodonticsNPI: 1114948536
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About This Provider
Dr. Donald Cassidy is an orthodontist with over 20 years of experience helping children and adults in Presque Isle achieve healthy, confident smiles. He earned his Doctorate of Dental Medicine from Tufts University and a Master's degree in Orthodontics from St. Louis University, and he's deeply involved in our community through the Rotary Club and University of Maine at Presque Isle. Dr. Cassidy offers a range of modern treatments including traditional braces, Invisalign, and advanced 3D digital imaging to create personalized treatment plans for each patient. He believes that straightening teeth is about more than just appearance—it's about building confidence—and he creates a warm, family-focused environment where your needs come first. Dr. Cassidy is currently accepting new patients.
Specialties
- 1
Education & Training
- Doctorate of Dental Medicine (DMD) – Tufts University School of Dental Medicine (1988)
- Master of Science (MS) – St. Louis University Department of Orthodontics (1990)
- Fort Fairfield High School (1980)
- Bachelor of Science – University of Notre Dame (1984)
Credential: D.M.D.
NPI registered: 07/21/2006
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Areas of Focus
Technology & Equipment
- iTero® 3D digital imaging
- Invisalign®
- advanced wire technology
- soft tissue laser treatment
Professional Memberships
- American Dental Association
- American Association of Orthodontists
- Maine Dental Association
- Northeast Society of Orthodontists, Board of Directors
- Aroostook County Dental Society, Past President
- Maine Association of Orthodontists, Past President
Awards & Recognition
- Paul Harris Fellow award (Presque Isle Rotary Club)
- State of Maine 'Dental Health Hero' award (Maine Dental Access Coalition)
Beyond the Office
Member of Presque Isle Rotary Club for 20 years
Coordinator with Head Start initiative for dental homes
Serves on Foundation Board at University of Maine at Presque Isle
Practice gives back to community to help young people
Originally from Fort Fairfield, called Presque Isle home for 29 years
Wife Kathleen Ledger Cassidy is a stained-glass artist (Stained Glass by KLC)
Has two grown sons: Bennett attends Florida State University Law School; Brock graduated from Bowdoin and is vice president at Rocket Homes in New York City
Dog named Beau loves to run trails behind the house
Enjoys camping and fishing at East Grand Lake
Travels frequently with wife
Golfs at Aroostook Valley Country Club
Enjoys hiking and hunting
Recently became interested in carpentry while fixing up his home
Has private pilot's license and loves flying over the area
Provider information is sourced from the National Plan and Provider Enumeration System (NPPES) maintained by CMS. Information may not reflect the most current data. Providers can claim their profile to update and verify their details.