Olean NY dental clinic

Meet Staff


Dr. Porcello is a native of Allegany, NY and graduated from Allegany-Limestone. Dr. Porcello then attended St. Bonaventure University. While at St. Bonaventure, Dr. Porcello majored in Biology and attended the Franics E Kelley Oxford Program where he studied for a summer in Oxford, England. He graduated Cum Laud.

After St. Bonaventure, Dr. Porcello attended dental school at SUNY Buffalo School of Dental Medicine, which is one of the top dental schools in the country.

After dental school Dr. Porcello worked at an Indian Health Service site in Salamanca, NY, and employed in private practice in Allegany. During this time Dr. Porcello was exposed to an exceptionally wide range of dental procedures which enables him to provide an extensive array of general dentistry.

Dr. Porcello has also traveled to Honduras many times, providing treatment to the mountain village of Delicious del Norte. This experience has led to a great appreciation of what dental treatment can mean to a patient and also provided him with clinical skills above those traditionally taught in the US.

Dr. Porcello attends multiple continuing education classes in dentistry every year in order to keep up to date with the most recent advancements in dental techniques, procedures, equipment, and materials.

One such experience was the “Q-Implant Marathon”. This is an intense hands-on training in implant dentistry completed in the Dominican Republic taught by world renown oral surgeons offering a wealth of knowledge and experience.


Dr. Lamb was born and raised in Olean, NY. After graduating from Olean High School, he attended SUNY at Geneseo, graduating Summa Cum Laude in 2008 with a B.S. in Biology. He then attended SUNY at Buffalo School of Dental Medicine, graduating Cum Laude in 2012.

Dr. Lamb spent two years practicing in Pittsburgh, PA, and decided Western New York is and always will be his home. He is surrounded by his extended family, courtesy of his late grandfather, Dr. George C. Cash. Dr. Lamb is a general dentist, practicing all facets of dentistry. He enjoys advanced study in endodontics (the art and science of root canals) and clear braces. Dr. Lamb is a certified ClearCorrect provider. Dr. Lamb is a member of the ADA, NY Dental Association, and the 8th District Dental Society. He lives with his wife, Laura, in Allegany, NY.


Dr. Holmes was born and raised in Cuba, NY. After graduating from Cuba-Rushford High School, he attended Daemen College in Amherst, NY. He graduated Summa Cum Laude in 2015 with a B.S. in Natural Sciences with a Health specialization and Biology minor. He then attended SUNY at Buffalo School of Dental Medicine, graduating Cum Laude in 2019 with an Esthetics concentration. Dr. Holmes completed advanced training in a hospital based residency program at Rochester General Hospital in Rochester, NY. He enjoys all aspects of dentistry, from root canals and oral surgery to cosmetic dentistry and implants.

Dr. Holmes lives with his wife, Ashley, in Allegany, NY. He enjoys playing many sports in his free time as well as spending time with his wife and family.

Shawn Dibble

Shawn Dibble is our Administration Coordinator. He grew up in Portville, NY. He has a degree in Business Studies from SUNY Empire State College and now lives in Cuba with his wife Tracy and their two children. He is responsible for the business and scheduling aspects of Valley View Dental. Give us a call and Shawn will be happy to help you out.

Chrissy Manning

Chrissy joined the Valley View team in 2018 as a Certified Dental Assistant. She began her dental career as a receptionist for her stepfather’s dental practice, where she received on-the-job training in chair side assisting. In 2014, she became certified by the Dental Assisting National Board. She brings 15 years dental experience to the practice, 11 years as an assistant.

Crissy is a native of Bradford, PA, where she resides with her husband and 2 sons.

Tiffany Rooke

Tiffany is a dental assistant from Bradford, PA. She has been assisting for over 17 years. She lives in Bradford with her fiance and 5 children.

Stacie Hatzel

Stacie grew up in Olean, NY and graduated from Olean High School in 2013. She graduated from JCC in Olean with an Associate’s Degree in Business Administration in 2015. In 2016 she completed prerequisite’s at JCC before being accepted into the dental hygiene program at MCC in Rochester in 2017, where she graduated with distinction in 2019 with an Associate’s Degree in Dental Hygiene.

She resides with her husband Earl in Olean, NY. She enjoys being a hygienist; educating people on oral health care and helping them attain healthy, beautiful smiles.

Lori Barnes

Lori is our receptionist. She brings a vast amount of dental knowledge and customer service to our team.

Lori grew up in Bradford, PA and resides in Limestone, NY with her husband Simon.

Miranda Ellison

Miranda is a native of the Olean area, graduating from Olean High School in 2005. She then continued her education at Monroe Community College, graduating in 2010 with her degree in dental hygiene.

Jamie Mikolajzyk

Born and raised in Olean NY. Graduated from dental assisting school in 2013 from Cattaraugus-Olean BOCES. Love what I do and love when the patient leaves with a smile!

Resides in Portville NY with my two children, Emma and Aiden.

Breanne Miller

Breanne Miller is a native of Bradford PA. Graduated from Bradford Area High School in 2017. She then attended Fortis School of Technology in Erie PA for dental assisting and graduated in 2018. She resides in Bradford with her paramour Matt, dog Bailee, and expecting her first child in July.

Barb White

Barb grew up in Richburg, NY and graduated from Bolivar-Richburg Central School in 2003. She then went to JCC in Olean to begin her studies and entered the Dental Hygiene program through MCC in 2006, graduating with her associates degree in Dental Hygiene in 2008. She has been a resident of Black Creek, NY since her marriage in 2005. Barb has three children. Two boys born in 2007 and 2019, and a daughter born in 2012. “I really enjoy working as a dental hygienist and watching people transform their smiles.”

Stephanie Comer

Stephanie grew up in Hamburg, NY graduating from Frontier Central High School in 2007. She obtained her Bachelors from Canisius College in 2011 for Psychology and Clinical Counseling. Stephanie changed career paths and pursued her love of oral hygiene graduating from ECC in 2014 for Dental Hygiene. The beautiful Allegany mountains drew Stephanie and her family out to Limestone where she lives with her husband and two young children.


Dr. Williams is a 1961 graduate of St. Bonaventure University, and a 1965 graduate of Marquette University School of Dentistry. He spent 2 years in the US Army Dental Corps, one year of which was in Vietnam. Dr. Williams opened his practice of dentistry in olean in 1967. He is a life member of the American Dental Association, 8th districs Dental Society, and a past president of the Cattaraugus County Dental Society. He continues to service his patients at Valley View Dental.