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Dr. Guillermo Donan graduated from UEES, El Salvador in 1994 and continued his education in periodontics at Universidad Complutense de Madrid, Spain. He has dedicated his professional career to providing patients with outstanding dental care.


Dr. Donan is constantly participating in advanced training by taking continued dental education courses with special interest in dental implantology, orthodontics, and cosmetic dentistry. He is a member of the International Congress of Oral Implantologists (ICOI), the American Orthodontic Society (AOS), the American Dental Association (ADA), the California Dental Association (CDA) and the Fresno-Madera Dental Society (FMDS).


Dr. Guillermo Donan is married to Dr. Silvia Donan and lives in Fresno, CA, with their daughters Sylvia Elizabeth and Sarah Alexandra. He enjoys music, singing, and snow skiing.




Fresno Dental Office

125 East Barstow Avenue, Suite 101
Fresno, CA 93710



Contact info:

Phone: (559) 222-9923




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Guillermo Donan, DDS - America's Top 50 Dentists - Fresno, California

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