Meet the Team

Our greatest asset is our personable staff. Our front desk staff is helpful and pleasant. Parents gain a sense of calm and control with our nurses’ caring and knowledgeable advice. Our nurse practitioners and board certified pediatricians have the expertise to help children weather through illness and help parents navigate through their children’s development from infancy to adolescence.

We understand the challenges and stresses as well as the joys of parenthood. Most of us are parents ourselves. We strive to be understanding, supportive and available to the families in our practice. One of the greatest benefits of a group practice is the availability of ready consultation for more difficult issues and utilizing the different strengths of each practitioner. All of us are very comfortable asking for another opinion from our associates.

Office Hours

We are open Monday – Friday and most weekends and holidays. Please call our office at 978-475-4522 to make an appointment to be seen.

Saturday & Sunday Sick Visits: BY APPT ONLY

Walk-in Hours: M–F 8:15AM-9:30AM ONLY

Monday – Friday 8:15 AM – 5:00 PM

Walk-in Hours8:15 AM – 9:30 AM (M–F ONLY)

Saturday & Sunday BY APPT ONLY


*weekend & holiday hours may vary

If you are experiencing a life-threatening emergency, Call 911 or go to your closest Emergency Room

Pediatricians

Dr. Kenneth Chan
Dr. Kenneth Chan
Pediatrician

Dr. Kenneth Chan has been practicing pediatrics since 2000 and joined Andover Pediatrics in 2003. He obtained a Bachelor of Arts Degree at Cornell University and attended medical school at Texas Tech University. Dr. Chan received his pediatric training at the Floating Hospital for Children at Tufts Medical Center. He also worked there an extra year as chief resident.

Dr. Chan also serves as the school physician for the Andover and North Andover Public Schools. He takes particular special professional interest in food allergy, asthma and infectious diseases. He is certified by the American Board of Pediatrics and is a member of the American Academy of Pediatrics and the Massachusetts Medical Society.

Dr. Chan resides in Andover with this wife, Sherry, a dental physician, and their three children. He enjoys playing and coaching youth soccer, likes different types of music and plays guitar and mandolin.

Dr. Jennifer Hensley
Dr. Jennifer Hensley
Pediatrician

Dr. Jennifer Hensley grew up in Nebraska before moving to the East Coast to attend Brown University in Providence, Rhode Island. She graduated with a degree in Neuroscience and went on to earn her MD from Boston University. She spent time at Andover Pediatrics while she completed her pediatric training at the Massachusetts General Hospital. She is a member of the American Academy of Pediatrics and the Massachusetts Medical Society. Dr. Hensley enjoys all areas of pediatrics, but has special interests in the care of infants and adolescents. She also enjoys working with children who have complex medical issues and is interested in healthcare technology.

Dr. Hensley lives in Winchester with her daughters Charlotte and Lucy, and their dog Harry. She enjoys baking, home improvement projects, the Nebraska Cornhuskers, and spending time in Boston’s museums and restaurants.

Dr. Nancy Hurley
Dr. Nancy Hurley
Pediatrician

Dr. Nancy Hurley graduated from the University of Cincinnati receiving her MS in Biological Sciences doing environmental research. She attended Ohio State University College of Medicine, earning her M.D. While there, she was involved in research studies in an adolescent clinic. Since completing her residency at The Floating Hospital in Boston in 1993, Dr. Hurley has been practicing pediatrics in the Boston suburbs. She joined Andover Pediatrics in December, 2003. While enjoying all aspects of general pediatrics, Dr. Hurley maintains a special interest in adolescent medicine. She also is certified by the American Board of Pediatrics and is a member of the American Academy of Pediatrics and an active member of Massachusetts Medical Society.

She lives in Charlestown with her family. Dr Hurley is a veteran of several marathon races, including Boston, and volunteers in her community.

Dr. Elizabeth Lentini
Dr. Elizabeth Lentini
Pediatrician

Dr. Elizabeth Lentini graduated from Dartmouth Medical School in June,1994. She completed her pediatric residency at the Massachusetts General Hospital in 1997 and served an additional year as chief resident. Subsequently, she worked at Somerville Pediatrics for five years until joining Andover Pediatrics in August, 2003.

Dr. Lentini is certified by The American Board of Pediatrics and belongs to The Mass Medical Society and The American Academy of Pediatrics. She enjoys all aspects of pediatric medicine from care of the young infant, toddler and preschooler to the adolescent and young adult.

She lives in Andover with her husband while her daughters and stepdaughters attend college. In her spare time she enjoys walking, hiking, reading, traveling and watching detective shows. She is interested in learning a musical instrument and pursing new volunteer activities.

Dr. Elizabeth (Bigus) Dumas
Dr. Elizabeth (Bigus) Dumas
Pediatrician

Dr. Elizabeth Dumas grew up in Kansas City before moving to Memphis to attend Rhodes College in Tennessee. She graduated summa cum laude with a degree in neuroscience before attending the University of Central Florida College of Medicine. She then completed her pediatric training at the Medical University of South Carolina before moving to the Boston area to join her husband. She is board certified in pediatrics by the American Board of Pediatrics. Dr. Dumas enjoys caring for kids and young adults of all ages with a special interest in newborns and mental health.

Dr. Dumas lives in Somerville with her husband and dog, Tucker. She enjoys reading, traveling, working out, and playing soccer in her free time as well as joining in her husband’s passion for sailing.

Dr. Robert Nelken
Dr. Robert Nelken
Pediatrician - Retired

Dr. Robert Nelken graduated from Rutgers University in 1970 with a B.A. in Biological Sciences and received an MD from the University of Pittsburgh School of Medicine in 1974. Dr. Nelken did his pediatric residency at SUNY Upstate Medical Center in Syracuse, NY and was certified by the American Board of Pediatrics in 1979, 1988, and 2009.

He was Chief of Pediatrics at the USPHS Indian Health Hospital in Tuba City, Arizona from 1977 until 1980 when he moved to Andover. He has been in private practice since 1980 at Andover Pediatrics and a consulting pediatrician at St. Ann’s Home since 1987.

Dr. Nelken belongs to a number of organizations including the American Academy of Pediatrics, Massachusetts Medical Society and The Helfer Society. He is actively involved with several committees relating to child abuse including the Mass Chapter AAP Committee on Child Abuse, the Essex County Child Death Review Team and the Essex County Child Advocacy Committee. Special interests include sports medicine, dermatology, and growth disorders, in addition to normal growth and development from infancy through adolescence. Dr Nelken has made several medical trips to Jamaica, Vietnam, Honduras, Venezuela and Bolivia over the years.

He lives in Andover with his wife, Velma, and has two grown children and five grandchildren.  His leisure pursuits include piano, reading, hiking the Avis trails, coaching youth soccer and spending time at the beach in Ogunquit. 

Dr Nelken has retired after 45 years of caring for patients and families. He is enjoying traveling and remaining active with his many hobbies.

Pediatric Nurse Practitioners

Meghan Chase, CPNP, IBCLC
Meghan Chase, CPNP, IBCLC
Pediatric Nurse Practitioner

Meghan Chase, CPNP, IBCLC earned her Bachelors of Science in Nursing from Endicott College in 2012. After graduation, Meghan began working as a mother-baby nurse.

Meghan received her Masters of Science in Nursing from Northeastern University in 2015. She worked for a large pediatric practice in Concord, MA for 4 years before joining Andover Pediatrics in 2021.
Meghan is an International Board Certified Lactation Consultant and enjoys providing all sorts of feeding support to families. Special areas of clinical interest include all areas of infant feeding, baby led weaning, infant sleep, and adolescent medicine.

Meghan lives in Andover with her husband, young children and two rescue dogs.

Rebeka Keuten, CPNP
Rebeka Keuten, CPNP
Pediatric Nurse Practitioner

Rebeka Keuten, CPNP, received her Bachelor’s degree in Integrative Physiology from the University of Colorado. After graduating she worked for the Colorado Department of Public Health working in their Refugee Health Program. It was while working at this clinic that she realized she wanted to be a Nurse Practitioner. She went on to receive her Bachelor’s of Nursing from the University of Rochester (NY). She worked as a registered nurse at a community health center while continuing her education and received her Master’s of Nursing from Boston College in 2018. Since graduation she has worked in pediatric primary care. She is a member of the National Association of Pediatric Nurse Practitioners. 

Becky lives with her husband, two kids, and their chocolate lab, Otis. She enjoys spending time with her family, baking, music, and seeing as much live theater as possible. 

Amy Lynch CPNP
Amy Lynch CPNP
Pediatric Nurse Practitioner

Amy Lynch, CPNP, earned her Bachelor’s of Science in Nursing from Georgetown University in 1996. After graduation, Amy began her nursing career as a staff nurse in pediatrics at New York University Medical Center in New York City. She later moved to the Boston area and continued her work as a pediatric nurse at Children’s Hospital Boston.

Amy received her Master’s of Science in Nursing from Boston College in 2001. After completing her master’s degree and passing her certification boards, Amy began working as a pediatric nurse practitioner in the Young Parents’ Program at Children’s Hospital Boston. Amy joined Andover Pediatrics in 2007 and enjoys all areas of pediatric primary care. She has a special interest in adolescent mental female health.

Amy lives in Andover with her husband and three children. She enjoys exercising and spending time in Vermont in her spare time.