About Western Practice Sales


Working with someone who knows where you are on your journey
makes a big difference. For more than 40 years, Western Practice sales
has been helping dentists ready to buy or sell their practice. We are
owned by dentists who understand the profession and your
professional needs.


Discover More About Our Team

Timothy G. Giroux, D.D.S.

Owner/ Broker

Dr. Tim Giroux established his own dental practice in Scottsdale, Arizona, upon graduation from Creighton University, School of Dentistry in 1983. Relocating to Northern California upon selling his highly successful practice after 15 years, Dr. Giroux brings a unique perspective and personal experience in dental associateships, practice start-up, sales, and work-back situations to serve and assist you during your exciting transition! Dr. Giroux and his wife, Mona Chang, LLUSD ’84, enjoy golf, snow skiing, water skiing and ice hockey. Their daughter graduated from Loma Linda University, School of Dentistry in 2018, so he especially enjoys guiding young dentists and helping them fulfill their dreams when they purchase their own dental practice.

Jon B. Noble, M.B.A.


One of the original Founders of Western Practice Sales, Jon Noble received his M.B.A. from California State University, Chico. He adds not only a wealth of knowledge and professional expertise but also more than 40 years of experience and involvement in over 1,000 transitions! Jon, his wife and 2 sons are avid Giants fans and partake in the perennial recreational activities of fishing and snow skiing. Jon especially enjoys the opportunity to facilitate the smooth and successful transition of dental practices by consulting or brokering.

Edmond P. Cahill, JD


Ed Cahill received both his accounting and law degrees from the University of San Francisco. His strong background in banking and accounting complements his prior experience as a mediator. Ed’s wide range of knowledge, hands-on experience and outstanding people skills allows him to connect with both the Seller and the Buyer, helping to facilitate a smooth transition environment.

Mona Chang, D.D.S.


After graduating from Loma Linda University, School of Dentistry in 1984, Dr. Mona Chang practiced alongside her husband, Dr. Tim Giroux, in private practice in Scottsdale, Arizona for 15 years. Teaming up again with her husband at Western Practice Sales, Dr. Chang brings a refreshing perspective as a female Asian dentist to serve and assist sellers and buyers during their transition. She takes pride in marketing and highlighting the special attributes each practice has to offer.

John M. Cahill, M.B.A., Emeritus


John Cahill, Emeritus, is nationally known as one the country’s premier transition specialists. A member of American Dental Sales, a regular contributor to Dental Economics and a frequent featured speaker for many dental groups over the years, he brings knowledge, experience and integrity to the transition process with more than 50 years of experience in the dental industry.

Jeffrey J Tonner, JD

Arizona Representative

Jeff Tonner is an Arizona attorney and dental practice broker. For over twenty years, he has limited his law practice to helping dentists preserve their reputations. Jeff has published two risk management books for dentists, lectured throughout the west and published numerous articles. Including a dental attorney to your broker team adds a singular advantage to Western Practice Sales.

First-rate Service

We represent sellers and buyers
throughout California, Arizona, Utah
and Nevada from one central office.
Our team is committed to the highest
level of professional excellence and
customer service.

Start the Dental Transition Process Today

Whether you’re ready to sell or buy your dental
practice, we’re here for you … every step of the
way. Our brokers will guide you through the
selling or buying experience, lending you their
expertise in dental practice transitions.
Western Practice Sales is a proud member of
ADS Dental Transitions.


Contact Us Today


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