NAPLES PERIODONTIST - Key Persons


David F. O'Brien

Job Titles:
  • Brien, CRNA, ARNP and Kevin Jones, CRNA, ARNP
David F. O'Brien, CRNA, ARNP and Kevin Jones, CRNA, ARNP, owners of Custom Anesthesia Services, Inc., have been providing premier anesthesia services for Dr. Davis since 1995. Dave and Kevin are both highly regarded nurse anesthetists providing anesthesia to dental and medical offices throughout Florida. David O'Brien graduated in 1978 with a Bachelor of Arts in Natural Science from the University of Findlay in Ohio. In 1981, Dave graduated from St. Vincent's Hospital and Medical Center School of Nursing as a Registered Nurse. In 1987, Dave graduated from Harlem Hospital Center in New York as class Vice President and Valedictorian acquiring his certification and licensure as a Certified Registered Nurse Anesthetist. Kevin Jones graduated from Northern Illinois University in 1980 with a Bachelor of Science Degree in Medical Technology. In 1983, Kevin graduated from Moraine Valley Community College acquiring his Associate Degree of Arts and an Associate Degree in Nursing. In 1989, Kevin received his certification and licensure as a Certified Registered Nurse Anesthetist from Decatur Memorial Hospital, School of Nurse Anesthesia.

Kristin Shrauger

Job Titles:
  • Practice Manager
Kristin began her career in Dr. Davis' practice as a Sterile Tech/Hygiene Assistant in 2011. She then obtained her Expanded Functions Certification from the University of Florida. Kristin was promoted to Surgical Assistant in 2013 and Lead Surgical Assistant in March 2017. She was promoted to Practice Manager in May 2018. Kristin was born and raised in Fort Myers, Florida. She attended college at Florida State University. Kristin married her long time college sweetheart in April 2018. In her spare time, she enjoys spending time outside in the beautiful Florida sunshine with her husband and her golden retriever.

Linda Cusumano

Job Titles:
  • Registered Dental Hygienist
Linda has worked with Dr. Davis in the field of preventative dental hygiene since 1995. Linda graduated from Palm Beach State College with her Associate of Science in Dental Hygiene. She has always felt a sense of pride in the quality of care we provide our patients. She is committed to caring for our patients at the highest level possible, while keeping them comfortable and relaxed. Linda has always made it a priority to stay current with continuing education and the latest technology available in the field of periodontics. Linda moved to Florida from Margate, NJ, in 1986. She is married to a wonderful man, Christopher, and has two beautiful children, Tye and Katie. She enjoys music, the arts, and reading.

Martha Castano

Job Titles:
  • Registered Dental Hygienist in the State of Florida
Martha joined Dr. Davis' practice in 2018. Martha has been a Registered Dental Hygienist in the state of Florida since 2003 and has worked in the periodontal field since that time. Previously, Martha practiced as a General Dentist in Colombia. She moved to the United States in 1999 and started her journey immersing herself in this new country, language and culture. Martha is passionate about educating patients about their well-being when it comes to their dental health. Martha likes to attend patients with a sense of humor, however, in a professional way. Martha always does her very best when attending to each of her patients, respecting their unique condition and their individual needs. Martha is happily married to her husband, Juan, and together, they have two amazing and talented children, Vanessa and Emmanuel.