Meet Your Care Team | Summer Health

Dr. Tatiana Zeballos

Dr. Zeballos is a Board Certified Pediatrician with 20 years of experience. She has worked as a general pediatrician in private practice, in an urgent care setting, and in hospitalist medicine. She has incorporated telemedicine to her practice for the past 5 years. She earned her M.D. degree from U.A.C.A. medical school in Costa Rica, and completed her Pediatrics residency at Georgetown University Hospital, Washington D.C. Dr. Zeballos is fluent in Spanish and has an additional Board Certification in Obesity Medicine.

Jess Ellsworth

Jess Ellsworth is a Certified Pediatric Sleep Consultant dedicated to helping families find the peace that comes with good sleep. She is also a Trauma Informed Foster Parent with experience working with children with a range of ages, diagnoses, and special needs. She understands the uniqueness of each child and is dedicated to working to create a plan that you can be confident in and comfortable with!

Dr. Gloria Koskey

Gloria Koskey, M.D. is a dedicated and accomplished pediatrician with a passion for providing exceptional healthcare to children. Dr. Koskey completed her medical degree at the University of Virginia School of Medicine and her residency training at the University of Texas Southwestern Medical Center. Dr. Koskey has significant experience practicing in the areas of pediatric hospital medicine and pediatric urgent care and has developed a deep understanding of the unique needs and challenges faced by young patients and their families. As a pediatrician, Dr. Koskey is known for her warm and empathetic approach to patient care. She believes in building strong relationships with her patients and their families and in creating a supportive and trusting environment.

Dr. Chere McCormick

Dr. McCormick is a DO from Texas College of Osteopathic Medicine and completed a Family Medicine residency at Baylor Dallas. She is certified by the American Board of Family Physicians and has over 20 years of experience delivering care to all ages. She enjoys cooking and weight lifting as part of her holistic self-care routine, which extends to cheering on her three teenage children in various sports and activities.

Dr. Lorraine Beraho

Dr. Lorraine Beraho is a board certified Pediatrician and Public Health Expert practicing in the DC area. Originally from Uganda and Rwanda, Dr. Beraho grew up in South Carolina and obtained her medical degree from the University of Maryland School of Medicine and her Master of Public Health from The Johns Hopkins Bloomberg School of Public Health. Dr. Beraho is passionate about partnering with parents to support the health of their children. She enjoys traveling, spending time with loved ones, and contemporary dance classes.

Dr. Erin Amini

Dr. Amini earned her M.D. from University of Missouri-Kansas City and completed her Pediatrics residency with University of Tennessee Health Science Center. She is certified by the American Board of Pediatrics. When not working, she enjoys Jazzercise, hiking, playing tennis, traveling, trying new restaurants as a self-proclaimed "foodie" and spending time with her family and friends.

Dr. Marcy Borieux

Dr. Borieux completed her medical studies and pediatric residency at University of Toledo College of Medicine in Ohio, is certified by the American Board of Pediatrics, and is a fellow of the American Academy of Pediatrics (F.A.A.P). She enjoys reading, traveling, and spending time with family. She also very much enjoys caring for her small patients, and addressing their individual needs.

Jennifer Gillette, MA

Jennifer is a child development/behavior and parenting specialist with more than 25 years of experience guiding parents/caregivers of babies and young children in a variety of settings in the Boston area such as pediatrics, early intervention and telehealth. She is the founding director of The Loved Child (TLC), a consortium of parenting professionals dedicated to delivering individual and group services for families from expectancy through adolescence. Jennifer is a proud parent of three college-age children and enjoys spending time in nature with her husband and two Australian Shepherds.

Dr. Amanda Harding

Dr. Harding earned her M.D from the Ross University School of Medicine and completed her pediatric residency at St. John Hospital and Medical Center in Detroit, MI. She is board certified in Pediatrics and is especially interested in asthma, allergy management, sleep training, and childhood obesity. In her spare time, she enjoys watching her daughters play competitive travel Fastpitch softball, running and playing hockey.

Dr. April Foster

Dr. Foster is a board-certified Family Medicine Physician with over 10 years of in-person and telemedicine care. Upon graduation from medical school in Florida, she completed family medicine residency training as the chief resident in 2014. Following residency, she has practiced in a variety of settings to include urgent care, medical director and sole practitioner for a free clinic, men’s and women’s health, and nationwide telemedicine services. She has a passion for medical mission work and a belief that all individuals deserve access to quality care. Her current focus is local missions and opportunities to serve her community as well as continued efforts to expand care through telemedicine services.

Dr. Leo Damasco

Dr. Damasco is a board-certified physician in both Emergency Medicine and General Pediatrics. His past experience includes emergency and pediatric care at a Level I trauma center and high-volume community hospital. Previously, he served as the Chief of Emergency Medicine at a Level II Military Treatment Facility and as the Pediatric Medicine Director for a military community hospital. He earned his medical degree at the Uniformed Services University of the Health Sciences F. Edward Hebert School of Medicine.

Dr. Rachel Coel

Dr. Coel received her MD/PhD degree from the University of Illinois at Urbana-Champaign and completed her pediatrics residency at Children's Hospital Los Angeles. She completed her sports medicine fellowship at the University of Colorado. Dr. Coel is double board certified by the American Board of Pediatrics in General Pediatrics and in Sports Medicine (C.A.Q.S.M.) and is a Fellow of the American Academy of Pediatrics (F.A.A.P.). On her free time, Dr. Coel enjoys surfing, family time with her husband, 2 children, and goldendoodle, and eating dessert.

Dr. Brit Reis

Dr. Reis received her medical degree from Cornell University’s Weill Medical College and completed her pediatric residency training and chief residency at The Johns Hopkins Hospital. She is board certified by the American Board of Pediatrics, is a fellow of the American Academy of Pediatrics (F.A.A.P), and is a member of the clinical faculty at The John A. Burns School of Medicine (JABSOM). Additionally, she serves as a Clinical Instructor at The University of Hawaii at Manoa Nancy Atmospera-Walch School of Nursing (NAWSON) and The School of Nursing at Hawaii Pacific University (HPU). Recognized as a Top Doctor on Oahu by Honolulu Magazine for the past 10 years, Dr. Reis is passionate about empowering families to make informed healthcare decisions and is committed to providing accessible, high-quality care to her patients. When not working, Dr. Reis stays active by surfing, hiking, running, and enjoys spending time with friends and family.

Dr. Mark Shen

Dr. Mark Shen received his undergraduate degree from Stanford University and completed his medical training and residency at the University of Texas Southwestern Medical Center. He has held a variety of regional and national leadership positions in pediatrics and enjoys helping parents navigate the many surprises of childhood. He and his wife live in Austin, Texas with their two daughters.

Dr. Yekaterina Belousov

Dr. Belousov obtained her medical degree from Philadelphia College of Osteopathic Medicine and completed her Pediatrics residency at Penn State Hershey Children's Hospital. She is certified by the American Board of Pediatrics and a fellow of the American Academy of Pediatrics. Her experience includes newborn nursery care, outpatient pediatric care and telemedicine. She enjoys spending time with her husband and family, cooking, doing DIY projects and spending time outdoors in sunny Florida.

Dr. Jenna Goeckner

Dr. Goeckner received her MD from Southern Illinois University (SIU) School of Medicine and completed a pediatrics residency at SIU in Springfield, IL. She is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics (F.A.A.P). She has experience practicing medicine in a variety of settings including clinic, hospital and telehealth services. She enjoys doing puzzles, reading books and spending time with her family.

Dr. Raul Lara

Dr. Lara has an M.D. from the University of California at Davis and completed his pediatrics residency at UCSF Benioff Children's Hospital Oakland. He is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics (F.A.A.P). He enjoys working-out and traveling with his wife and young daughter.

Rachel Chambers RD

Rachel received her Bachelor of Science from Duke University and her Master’s degree in Clinical Nutrition from New York University. After completing her dietetic internship at NewYork-Presbyterian Hospital she joined the clinical staff where she specializes in pediatric and neonatal nutrition.

Dr. Alisa Roysman

Dr. Alisa Roysman graduated from Touro University College of Osteopathic Medicine and completed her residency at Kaiser Permanente. She is Board Certified in Pediatrics. A proud mother of 3, she knows how challenging it can be when your child is not well, and she is so happy to have the opportunity to guide you through life's little (and BIG!) challenges.

Dr. Ellen Fitzpatrick

Dr. Fitzpatrick is both board certified in Pediatrics and Pediatric Hospital Medicine and has been in practice for over 22 years. She attended Creighton University for medical school and UTSW Children's Medical Center in Dallas for her residency. She has experience in acute and general care, emergency medicine and the care of hospitalized children. She enjoys time spent with her family, cooking, and travel.

Dr. Ali Alhassani

Dr. Alhassani has an M.D. from Harvard Medical School and completed Pediatrics residency at Boston Children's Hospital and Boston Medical Center. He is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics (F.A.A.P). He enjoys hiking and cutting a rug with his wife and two young daughters.

Marisa Silver, MS, RDN, CDN, LDN

Marisa completed her dietetic residency at NYU Langone and her M.S. in Clinical Nutrition at New York University. She worked at Nicklaus Children’s Hospital in Miami, where she counseled children with a range of conditions, including failure to thrive, picky eating, allergies, digestive conditions, obesity and diabetes. She was also part of an interdisciplinary team there to prescribe and manage medical ketogenic diet therapies for children with epilepsy. She has spent years in private practice counseling children and adults first at Culina Health, and currently at the practice she founded, Vivrant Nutrition.

Dr. Stefani Birnhak

Dr. Birnhak is a doctor of osteopathic medicine, incorporating a whole-person (mental and physical) approach to pediatrics. She completed medical school at Rowan University, is certified by the American Board of Pediatrics, and is a fellow of the American Academy of Pediatrics (F.A.A.P).

Dr. Jerri Jensen

Dr. Jensen received her MD degree from Albany Medical College and completed residency training at Long Beach Memorial Medical Center / University of California Irvine. She is Board Certified in Family Medicine and is a Fellow of the American Academy of Family Physicians. Dr. Jensen has also completed a fellowship in Integrative Medicine at the Andrew Weil Center for Integrative Medicine / University of Arizona and a chefs training course at the Natural Gourmet Cookery School in Manhattan, NY. She has extensive experience working with patients of all ages mostly in rural environments. She enjoys hiking, biking, quilting, gardening and experimenting with healthier versions of family recipes using locally sourced foods.

Nicole Silber, RD, CSP, CLC

Nicole is a certified specialist in pediatric nutrition, a certified lactation counselor, and a mom of 3! She completed her training at New York-Presbyterian, and worked at the Children's Hospital at New York-Presbyterian/Columbia and New York University Langone Medical Center. She is in private practice where she helps parents navigate feeding, growth, gastrointestinal, and allergy challenges, and is the founder of Tiny Tasters: Baby's First Bites, an online class on introducing foods.

Dr. Jason Mounts

Dr. Mounts has an M.D. from Medical College of Georgia and completed Pediatrics residency and Pediatric Emergency Medicine fellowship at Children’s Hospital of the King's Daughters. He is certified by the American Board of Pediatrics. He enjoys mountain biking and traveling with his wife and two children.

Dr. Ashley McClary

Dr. McClary has an M.D. and Masters of Public Health (M.P.H.) from Tulane University School of Medicine and completed Pediatrics residency at Stanford Medicine Children's Health. She is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics (F.A.A.P). She enjoys dancing, being outdoors, and spending time with her two young children, husband, and dog.

Dr. Martin Maimon

Dr. Maimon has an M.D. from the University of Washington School of Medicine and completed a Pediatrics & Internal Medicine residency at Maimonides Medical Center. He is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics (F.A.A.P). He enjoys pickleball & dad jokes and hanging out with his wife and four children.

Dr. Anisha Khaitan

Dr. Khaitan has an M.D. from the Johns Hopkins School of Medicine, completed Pediatrics residency at the Children's Hospital of Philadelphia (CHOP), and her Pediatric Emergency Medicine fellowship at Columbia University Medical Center. She is certified by the American Board of Pediatrics. She enjoys jogging, yoga, and spending time with her friends and family.

Meet our pediatricians and care experts.

Dr. Tatiana Zeballos

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Jess Ellsworth

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Dr. Gloria Koskey

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Dr. Chere McCormick

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Dr. Lorraine Beraho

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Dr. Erin Amini

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Dr. Marcy Borieux

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Jennifer Gillette, MA

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Dr. Amanda Harding

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Dr. April Foster

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Dr. Leo Damasco

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Dr. Rachel Coel

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Dr. Brit Reis

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Dr. Mark Shen

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Dr. Yekaterina Belousov

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Dr. Jenna Goeckner

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Dr. Raul Lara

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Rachel Chambers RD

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Dr. Alisa Roysman

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Dr. Ellen Fitzpatrick

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