Meet The Team

All professionals at Irwin Dental Center maintain the highest levels of accreditation and pursue ongoing education to stay abreast of the latest trends in dentistry. Read on to learn more about our staff's experience and training.

Dr. Todd R. Irwin

Dr. Irwin is a Pacific NW native. After attending college at University of Utah for undergraduate studies and University of Louisville Dental School in Kentucky, he returned to Washington State to be closer to family and friends. Dr. Irwin is passionate about dentistry and is known to use vacation time to further in dental education by either taking courses or reading dental material. Dr. Irwin and his wife have five children. When he isn't working he enjoys playing golf, basketball, cycling, spending time with his family and friends and traveling. 


Education/ Affiliations:

  • University of Utah, Medical Biology
  • Graduated from University of Louisville School of Dentistry, Doctor of Medical Dentistry 1997
  • President Olympic Peninsula Dental Society 2001- 2007
  • WSDA House of Delegates, Delegate 1999-Present
  • American Academy of Cosmetic Dentistry
  • Fellow Pierre Fauchard Academy
  • International College of Dentist Fellow 2014- Present
  • Member Seattle Study Club, Olympic Peninsula Study Club, ADA / WSDA / OPDS
  • WSDA Board of Directors 
  • American Academy of Dental Sleep Medicine 2018- Present

Dr. Larry B. Little

Dr Little worked with the Indian Health Service in Neah Bay and it was during this time he fell in love with the Peninsula. Dr Little maintained a practice in Port Townsend for 20 years but it was the mountains and rivers that brought him back west to Port Angeles. With his wife Michelle the couple developed the North Olympic Discovery Marathon (NODM) to benefit our community. Dr Little acted as the director for the Volunteers in Medicine Clinic developing multiple health programs including the VIMO dental program to serve the underprivileged and where he still volunteers on a regular basis. His life passions include anything outdoors including mountaineering, kayaking and skiing and of course healthcare. 


Education/ Affiliations:

  • Emory University
  • Medical College of Georgia
  • University of WA MPH
  • USPHS/IHS Dental Director
  • Private Practice for 20 yrs
  • Executive Director and Race Director North Olympic Discovery Marathon
  • Executive Director Volunteers in Medicine of the Olympics
  • Executive Director and Board of Trustees of the Washington Healthcare Access Alliance
  • Port Angeles City Council-person
  • OPDS
  • Clallam County Access to Health Care
  • Partner: Community Health Assessment and Improvement Plan

Dr. Samuel D. Crocco, Resident Dentist

Dr. Crocco is a Pacific Northwest native. He was raised in Buckley, WA, before attending the University of Washington for his undergraduate studies. He then moved to southern California, where he earned his Doctor of Dental Medicine (DMD) degree at Western University of Health Sciences. He is happy to be back in the NW to start this new chapter of his life and career. Dr. Crocco is passionate about patient-centered healthcare, and always strives to do what is in the best interest of his patient’s overall health and happiness. When he’s not practicing dentistry, Dr. Crocco loves sports and the great outdoors. He enjoys playing golf, softball, flag football, waterskiing, snowboarding, hiking, hunting, fishing, and rooting for his Seattle sports teams.



  • University of Washington, Bachelor of Sciences, Biology 2013
  • Western University of Health Sciences College of Dental Medicine, Doctor of Dental Medicine 2018
  • American Dental Association
  • California Dental Association
  • American Dental Education Association
  • Delta Sigma Delta International Dental Fraternity
  • Phi Theta Kappa International Honor Society

Registered Dental Hygienists



Pam has worked as a dental hygienist since 2002. Pam has 5 kids and enjoys horses, volleyball, hiking and reading. Pam has been with Irwin Dental Center since 2007.



Lacey graduated from the Dental Hygiene program at Pierce College in 2010 and joined the Irwin Dental Center team that same year. Lacey loves her patients and truly enjoys her profession. She was born and raised on the Olympic Peninsula and loves what it has to offer. Lacey is married, has one daughter and when she's not working she enjoys biking, hiking, traveling, cooking and spending time with her family.



Nicole has worked as a dental hygienist for the past sixteen years. She has returned to Irwin Dental Center after working for the Quileute Tribe. She has a deep passion for the hygiene profession and strives to provide thorough and gentle preventive care to her patients. She enjoys being with her family, running, yard work and baking.



Tara has worked for Dr.'s Irwin and Riggs since she finished hygiene school in 2000. When she is not working Tara stays busy raising her two sons and enjoying the outdoors. She and her boys love to surf and going to the beach.



Twyla is also a new member of the Irwin Dental Center team, joining us in 2010. She has been a dental hygienist since 2002 and was a dental assistant for 10 years prior to attending Peninsula College and Shoreline Community College. Twyla and her husband have three children and enjoy living in Sequim. When she's not cleaning teeth she enjoys walking her dogs, reading, vacationing and spending time with her family.



Rachel graduated from Pierce Dental Hygiene School in 2012 and is excited to be a part of the Irwin Dental family. Rachel finds joy in connecting with her patients while working toward the common goal of achieving optimal oral health. She is passionate and thankful to be serving the community in which she was born and raised in. Outside of work Rachel keeps busy raising her two little girls with her husband. They enjoy camping and spending time on the Olympic Peninsula, Lake Crescent Lodge being their favorite.


Business Staff



Lindsay is Irwin Dental Center's Practice Manager. She’s been with the practice since 2004 and prior to her promotion to director was our lead Treatment Coordinator. She’s known for her professionalism, integrity and leadership. Before her career with us Lindsay was an Operations Supervisor for a local bank. Lindsay loves seeing how a person’s confidence and happiness can be transformed by a beautiful, healthy smile



Amber is a long time Port Angeles resident who joined our team in 2015. Prior to working at IDC she worked for the same retail store for 13 years and brings the same welcoming smile many will recognize. Amber's friendly demeanor easily puts patients at ease the minute they walk in the door! Outside of work she enjoys baking, gardening and exploring the peninsula.



Kathy is our New Patient Coordinator. She works with our new patients and doctors to coordinate their dental care and insurance benefits. Kathy grew up in Port Angeles and prior to joining Irwin Dental Center in 2010, she was the manager of a local restaurant. She most enjoys the lasting relationships that she builds with our patients. In her spare time, Kathy enjoys spending time with family and friends, entertaining, hiking and gardening.



Susana is one of the new faces at Irwin Dental Center. She recently moved to Sequim and spends a lot of time volunteering in the Spanish speaking community. In her free time, Susana and her husband are out enjoying the beautiful Olympic Peninsula with their dog and spending time with friends and family.



Candis is our Insurance Assistant and has been with Irwin Dental Center since July of 2002. In this time has worked both as a dental assistant and as business staff. She is truly a ‘people’ person and loves helping our patients in any way she can. Prior to joining our team she and her family were also patients! When not working, Candis enjoys life on the Olympic Peninsula with her family.


Shan, RDH

Shan has been a dental hygienist for many years and is known for building patient relationships and helping them feel comfortable in the dental setting. After an extended medical leave, she has decided to transition her career from Hygienist to Hygiene Coordinator! Patients will be pleased to see her familiar, smiling face and will appreciate her continuing in their care as a trusted member of our hygiene team. When Shan is not working, she most enjoys long walks on the beach with her husband, the love of her life along with their large standard poodle. She also takes pleasure in beautifying her surroundings with gardening and planting flowers.



Monica is out newest team member and has worked in the dental field for 20+ years! She grew up in Port Angeles and has recently returned after many years away from home. She has 2 adult children and is a new grandmother. She enjoys hiking, swimming, reading and painting.


Registered Dental Assistants



Shelly is a dental assistant with Irwin Dental Center. She has over 20 years experience in the field of dentistry. Shelly is a long time Port Angeles resident. She has a daughter and a son. When not working Shelly loves to ride her bike, exercise and spend time with her friends and family.



Tabi joined the practice in May of 2014 but has been in the dental field since 1999. She was born and raised in Port Angeles and having been an assistant to Dr. Temres at Fifth Street Dental Clinic she will be a familiar face to many. Outside of work she enjoys cooking and spending time with friends and family.



Lisa has been a Dental Assistant since 2011 and just recently moved to the Port Angeles area. When asked what she loves about her job she states helping patients obtain a healthy mouth and smile! She adds she is excited to be part of a professional dental team that provides exceptional dental care. In her free time Lisa enjoys spending time with family and friends, including traveling to Palm Springs to visit her sister, playing soccer and really anything that keeps her active!



Madison is our newest clinical member and is a dental assistant in training. Her interest in the dental field began when she was only 6 years old! She shadowed at IDC in 2008 & 2009 and eventually would like to further her education and go to hygiene school. When not working, Madison enjoys hiking, traveling and spending time with family and friends.



Heather has been in the dental field for the past 12 years and is a long time resident of the Olympic Peninsula. She is married with one daughter and a baby on the way! When not working, she loves to fish, hunt, hike and spend time with family and friends.