Our practice is curretly accepting new patients

Our Doctors
Ingrid Cruse, M.D., F.A.A.P.
Dr. Cruse obtained her Bachelors from the University of Rochester and her Medical Degree from the State University of New York at Buffalo School of Medicine. She completed her residency at the University of Rochester and is Board Certified in Pediatrics. Dr. Cruse is a Fellow of the American Academy of Pediatrics (AAP), a member of the Massachusetts Medical Society and a Clinical Assistant Professor in Pediatrics at the University of Massachusetts School of Medicine. Dr. Cruse is especially interested in promoting breast feeding, adolescent health, and in helping all families develop healthy habits. She teaches residents from the UMass Pediatric Residency Program and is the School Physician for the Leominster Parochial Schools.

Dr. Cruse lives in Lunenburg and enjoys a variety of outdoor activities such as cycling, boating and cross country skiing with her husband and three daughters. She also enjoys playing piano and nurturing her flower and vegetable gardens.
100 Hospital Road, Suite 4
Leominster, MA 01453
(978) 514 6300
Sejal Daga, M.D., F.A.A.P.
Dr. Daga obtained her Bachelors from Cornell University and her Medical Degree from Thomas Jefferson Medical College. She completed her residency at the University of Massachusetts Medical Center and is board certified in Pediatrics. Dr. Daga is a Fellow of the American Academy of Pediatrics, a member of the Massachusetts Medical Society and a member of the AOA Medical Honor Society.​ ​Dr. Daga particularly enjoys treating families as a unit. She enjoys seeing the growth and development of a child in and of themselves, but also in the backdrop of their surroundings.  She has special interests in helping parents with positive parenting: especially during toddlerhood and adolescence. Dr. Daga also enjoys teaching and continuing to learn about alternative medicine and how it can be used in conjuction with western medicine. She is fluent in Spanish, Hindi and Gjuarati.

Dr.Daga lives in Holden with her husband and three daughters. She treasures her time to be a kid with her girls. She enjoys listening to music and singing and dancing [in the privacy of her home.
Charles J. Myers, MD, F.A.A.P.
Dr. Myers obtained his Bachelors degree from Cornell University and his Medical Degree from the University of Massachusetts Medical School. He completed his residency at the University of Massachusetts Medical Center and is Board Certified in Pediatrics. Dr. Myers is a Fellow of the American Academy of Pediatrics, a member of the Massachusetts Medical Society and Clinical Assistant Professor in Pediatrics at the University of Massachusetts School of Medicine. Dr. Myers enjoys participating in the development and maintenance of a healthy family unit. He serves as school physician for the City of Leominster.​
Theresa Gingras Callahan, M.D.​, F.A.A.P.
Dr. Callahan obtained her Bachelors from Mount Holyoke College and her Medical Degree from the University of Massachusetts Medical School. She completed her pediatric residency at the University of Rochester (with Dr. Cruse!) and was chief resident there. Dr. Callahan is Board Certified in Pediatrics, a Fellow of the American Academy of Pediatrics (AAP), a member of the Massachusetts Medical Society and a Clinical Assistant Professor in Pediatrics at the University of Massachusetts Medical School. She is the director of the Reach Out and Read Program in our office and is always looking for new and used book donations (a book drive is an excellent Eagle Scout or National Honor Society project!).

Dr. Callahan lives in Princeton with her family. She loves to quilt - her family thinks she should join 'Quilters Anonymous' (just look at the waiting room walls!). Dr. Callahan also loves to read in bed with a flash light. And, everyone in the office affectionately calls her 'The Fruit and Vegetable Police.'
Michael J. Lyons, M.D., F.A.A.P.
Dr. Lyons obtained his Bachelors degree from the College of the Holy Cross and his Medical Degree from the University of Massachusetts Medical School. He completed his residency at the University of Masachusetts Medical Center and is Board Certified in Pediatrics. Dr. Lyons is a Fellow of the American Academy of Pediatrics, a member of the Massachusetts Medical Society and Clinical Assistant Professor in Pediatrics at the University of Massachusetts School of Medicine. He is an Alumni Representative of the University of Massachusetts Medical School, Chief of Pediatrics and President of the Medical Staff at HealthAlliance Hospital​. Dr. Lyons has a special interest in pulmonology and sports medicine and serves as school physician for the Town of Lunenburg.

​Dr. Lyons grew up in Lowell, MA and lives in Sterling with his wife and three children. He enjoys playing sports as well as coaching and watching his children’s athletic teams. He also enjoys traveling with his family.
Bruce J. Man, M.D., F.A.A.P.
Dr. Man obtained his Bachelors degree from Northeastern University and his Medical Degree from the University of Miami School of Medicine. He completed his residency at the Letterman Army Medical Center (San Francisco) and is Board Certified in Pediatrics. He also earned a Masters of Medical Management from Carnegie Mellon University. He is a Fellow of the American Academy of Pediatrics, a member of the Massachusetts Medical Society and the American College of Physician Executives. Dr. Man enjoys working with parents and helping them during those special times when they need a little reassurance that everything is alright. He is active with local charities and is presently the Chair of the Board for the United Way of North Central Massachusetts.
Fernando Catalina, M.D., Ph.D., F.A.A.P.
Dr. Catalina obtained his Bachelors from Saint Anselm College. He received his Medical Degree and a Ph.D. in immunology from the University of Texas Southwestern Medical Center in Dallas. Dr. Catalina completed his residency at the University of Massachusetts Medical Center and is Board Certified in Pediatrics. He is a Fellow of the American Academy of Pediatrics (AAP), a member of the Massachusetts Medical Society and Clinical Assistant Professor in Pediatrics at the University of Massachusetts School of Medicine. He is the District 1 Representative for the Massachusetts Chapter of the AAP, serves on the Board of Directors of the Boys and Girls Club of Fitchburg and Leominster, on the Board of Trustees of Central New England HealthAlliance and on the board of UMass Memorial Hospitals, Inc. Dr. Catalina has a special interest in allergy and immunology and is fluent in Spanish.

Dr. Catalina lives with his wife and children in Harvard. He enjoys family time, including biking and hiking on local trails. Dr. Catalina is an avid reader and is always looking for good book suggestions.