“Dr. K” – The Smile Designer

Featured in New York Magazine (2003) as one of New York’s Best Cosmetic Dentists

About Dr. K

Dr. Walter Kostrzewski, affectionately known as “Dr. K” by patients and colleagues alike, is a distinguished leader in cosmetic and comprehensive dentistry. With over three decades of experience, Dr. K has built his reputation on exceptional clinical skills, compassionate patient care, and an unwavering commitment to dental excellence.

Education & Training

Dental Education

  • Doctor of Dental Medicine (D.M.D.) – Tufts University School of Dental Medicine, 1992
  • General Practice Residency – University Hospital, Stony Brook, NY, 1993
  • Bachelor of Science in Biology – Villanova University

Advanced Training

  • PAC-Live Continuum Graduate (2000-2001) – The nation’s premier hands-on live patient continuing education program
  • Hundreds of hours of continuing education in advanced dental techniques
  • Fellowship, International Academy of Dental Facial Esthetics (IADFE) – A select group committed to excellence in facial esthetics
  • Fellowship, Academy of Comprehensive Esthetics (ACE) – Recognizing commitment to advanced learning and clinical excellence

Professional Recognition

  • New York Magazine (2003) – Listed as one of New York area’s best cosmetic dentists
  • Sustaining Member – American Academy of Cosmetic Dentistry (2002-2007)
  • Member – American Dental Association (ADA)
  • Member – DOCS (Dental Organization for Conscious Sedation)

The Educator & Thought Leader

Dr. K’s expertise extends far beyond his own practice. As a respected educator and industry leader, he has:

  • Clinical Instructor at the prestigious Hornbrook Group in Chicago, training fellow dentists in cosmetic dentistry and full mouth rehabilitation
  • National Speaker presenting to dental professionals across the country
  • Published Author with articles featured in leading dental journals including:
    • Dental Town
    • The Crown Council
    • The Dental Leader
  • Industry Consultant working with major dental manufacturers and laboratories

The Team Builder – “Coach K”

Beyond dentistry, Dr. K is known as “Coach K” for his exceptional ability to build passionate, high-performing teams. In 2000, he founded The Winning Dentist, a consulting firm dedicated to helping dental practices develop:

  • Passionate teams
  • Functional work systems
  • Motivational leadership
  • Congruent marketing strategies

Published Works:

  • “Creating Passionate Aesthetic Dental Teams” – A comprehensive resource manual for dentists and office managers
  • “Leading and Developing the Ultimate TEAM” – Forthcoming publication (Spring 2018)

Personal Life

When he’s not transforming smiles or coaching teams, Dr. K is an active family man and sports enthusiast. He’s happily married to Kristen and is the proud father of three sons – Luke, Alex, and Aiden. An avid skier, golfer, and hockey player with over 40 years of experience (including college hockey in the ECAC/S at Villanova), Dr. K has remarkably never lost a tooth despite four decades on the ice! He enjoys golfing with Kristen, skiing, working out, and they’re currently learning ballroom dance together.

Connect with Dr. K

Ready to experience the difference that expertise, compassion, and attention to detail can make? Schedule your consultation with Dr. K today and discover why patients throughout Connecticut trust him with their smiles.