Dr. Zach Prosthodontist
Northern Catskill Dental
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A Message From Dr. Zach

"I have been a dentist for over 31 years (since 1986) and continue to help patients improve their oral health through reconstructive, cosmetic and restorative dental procedures. It is an honor and a pleasure to be entrusted with your oral care."

"I have dedicated my life to educating and helping patients with their dental care. We specialize in helping people achieve healthy and beautiful smiles."

Dr. Zach

  • Graduated 3rd in his class from New York University College of Dentistry
  • Elected member of exclusive Omicron Kappa Upsilon - Dental Honor Society
  • Completed a prestigious 3 year prosthodontic residency at the Manhattan VA Hospital
  • Registered pharmacist - to better evaluate your oral and medical conditions
  • Published author in numerous dental/pharmacy journals and textbooks
  • Lecturer for dental/pharmacy seminars
  • Selected for Guide to America's Top Dentists
  • Member of multiple local and national dental organizations
  • Over 27 years of experience
  • Conservative approach to dentistry


Nicholas Zacharczenko D.D.S., MSD., RPh., (Dr. Zach) was born in Buffalo, N.Y., and grew up in Delhi, N.Y. He graduated from Albany College of Pharmacy in 1982 and New York University College of Dentistry in 1986, where he finished third in his class. Dr. Zach is a member of the exclusive National Dental Honor Society (Omicron Kappa Upsilon). A very small percentage of each graduating dental school class is selected for membership. He also received graduation awards for excellence in periodontology and overall scholarship.

He completed a rigorous three year residency program specializing in prosthodontics at the Manhattan VA Hospital. This dental residency was considered one of the top in the country. Dr. Zach attends numerous continuing education courses to stay current in the constantly changing dental world.

Dr. Zach publishes extensively in pharmacy, dental and nature journals as well as pharmacy textbooks. You can read his articles in Pharmacy Times, Drug Topics and Kaatskill Life Magazines. He and his daughter Brigette routinely collaborate to write nature articles together. She graduated Cum Laude with a BS degree in Applied Zoology from McGill University and received her Ph.D. in Ecology and Evolutionary Biology from UConn. www.BrigetteValencia.com

His other pursuits include tennis (he is a 5.0 rated player and plays in area leagues and tournaments). An avid sprinter, he is coached by his son, the 2010 valedictorian of Albany Academy and Magna Cum Laude graduate of Brown University who is now a third year law student at Duke University, School of Law.

Dr. Zach competes in various track meets in the area. He also competes in 100 and 200 meter snowshoe sprint races. A certified Master Gardener, he tends to his beloved blueberry bushes as often as he can!

Professional Memberships:

- American Dental Association
- New York State Dental Association
- 6th District Dental Society
- 3rd District Dental Society
- Omicron Kappa Upsilon (Dental Honor Society)
- United States Tennis Association
- USA Track & Field

Dr. Zacharczenko co-authored the book "Dr. Zach's AMAZING Catskill Critters".  It is available on Amazon.com.

Zacharczenko Repeats as Snowshoe Champion

Dr. Zacharczenko won gold medals in the 100m and 200m sprint races in the Super Masters division at the International Snowshoe Championships which were held Jan. 28, 2012 in Gatineau, Canada.  He also won these same events in 2011 when the championships were held in Lewiston, Maine. He has since retired from international competitions.

Liberty Games Gold

Dr. Zach won the 2016 Liberty Games (Empire State Games) in the javelin. He won the 2015, 2014, 2013 and 2012 Liberty Games in the 100m, 200m and javelin in his age group. 

Member ADA 2017


(607) 547-2313