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Dr. Jennifer Byrne


​As a graduate of State University of New York at Binghamton Jennifer earned 
her Master of Medical Science degree at the Boston University School of Medicine.  She attended Lake Erie College of Osteopathic Medicine and completed her pediatric residency at Stony Brook University Hospital.  She is Board Certified in pediatrics, a Fellow of the American Academy of Pediatrics.

Samantha Davis, LMSW

Samantha holds a Master's degree in Social Work from Stony Brook University and is a Licensed Social Worker.  Her professional background includes experience working with children and adolescents, specializing in crisis intervention and employing diverse therapeutic approaches such as cognitive-behavioral therapy, dialectical behavior therapy, motivational interviewing, play therapy and art therapy.  

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Theresa Vertullo, Pediatric NP

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Theresa received her Masters in Childhood Nursing from Stony Brook University in 2010. She has been a Registered Nurse since 2002. Graduating Summa Cum Laude in both Graduate and Undergraduate programs. Theresa is a member of National association of Pediatric Nurse Practitioners and American Academy of Pediatrics. She has 15 years of Pediatric experience.

Dr. Lauren  Byrne


Lauren received her undergraduate degree from Union College and earned her medical degree from Lake Erie College of Osteopathic Medicine in 2006.  She completed her pediatric residency at Schneider Children’s Hospital (Now Cohen's) where she was named their 2009 Resident of the Year.  She is board certified in pediatrics, a Fellow of the American Academy of Pediatrics.

Gina Phifer, Pediatric NP

Gina graduated from the Stony Brook Pediatric NP program in 2022.  Prior to becoming an PNP she had more than 5 years experience working in the Pediatric ICU as an RN where she was preceptor of the year in 2019 & 2020.  We were excited to have her join the Personal Pediatrics family in 2024.  


​September of 2023 Dr. Jennifer Byrne had  a successful medical mission to Ecuador! Joined by her daughter, they participated in a 3 day mission with Blancas House (a volunteer organization) that performed 21 surgeries and 150 procedures! 

Kelsey Waisanen, PA

Kelsey graduated Cume Laude from Lake Superior State University with A Bachelor of Science in Biology.  She completed her Master of Science in Physician Assistant Studies from Stony Brook University in 2021.  She has had previous experience in Family Medicine and Urgent Care.  She is a member of both the NY State & American Academy of Physician Assistants.  She joined Personal Pediatrics in 2022.