Meet the Staff

Dr. J Nicholas Porcello

Dr. J Nicholas Porcello

Dr. Porcello is a native of Allegany, NY and graduated from Allegany-Limestone in 1996. Dr. Porcello then attended St. Bonaventure University from 1996 - 2000. 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 in 2000.

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, graduating in 2004.

After dental school Dr. Porcello worked at an Indian Health Service site in Salamanca, NY, and in private practice in Allegany, NY for seven years. 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 travelled 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. Dr. Porcello has also received certification in Shatkin FIRST mini dental implant placement. This is a procedure which lets Dr. Porcello place mini dental implants to help retain dentures and can be used to replace some missing teeth as well.

Dr. Porcello lives in Allegany with his wife Brandi, who is a 7th grade English teacher at Allegany-Limestone School.

Dr. David C. Lamb

Dr. David C. Lamb

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. John Williams

Dr. John Williams

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 will continue to service his patients at Valley View Dental.

Miranda Schuman, RDH

Miranda Schuman, RDH

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.

Vicki Jenkins

Vicki Jenkins


Vicki has been in the profession for many years, connecting the old with the new. She assists Dr. Porcello and Dr. Williams in all aspects of your dental treatment.

Shawn Dibble

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.

Barb White

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 two young children. A son born in 2007 and a daughter born in 2012. "I really enjoy working as a dental hygienist and watching people transform their smiles."

Jamie Mikolajczyk

Jamie Mikolajczyk

Jamie is a dental assistant from Olean, NY.  She studied Dental Assisting at Cattaraugus-Allegany BOCES in Olean, NY, graduating in October, 2013.

She resides in Portvelle, NY with her husband Luke and two children.

Lori Barnes

Lori Barnes

Valley View Dental is proud to welcome Lori as our new 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.

Marie Sena

Marie Sena

Marie grew up in Cuba, NY and graduated from Cuba-Rushford School in 2000.  She has been in the dental field for 12 years.  She was first a dental assistant for six years before graduating from MCC Rochester in 2008 with an Associate's degree in Dental Hygiene.

She resides with her husband Trevor and step-daughter Brecia in Eldred, PA.  She loves being a hygienist and making a difference in Oral Health Care.

Katelyn Cavagna

Katelyn Cavagna

Katelyn graduated from Wellsville High School and is currently finishing her Dental Assisting course through Olean BOCES.  After doing her internship with us, she joined us full time in June, 2016.