Our Doctors
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Elias Nabbout, M.D. Founder and President

Dr. Elias Nabbout is the founder and president of Global Care Medical Group, P.C.

He earned his medical degree from Saint Joseph University School of Medicine in Beruit, Lebanon. After completing his residency at Cambridge Hospital, Harvard School of Medicine, he joined a local primary care practice in Lowell, MA, with Saints Medical Center. In 2002, he started his own private practice as Global Care Medical Group, P.C.

Originally from Lebanon, he is fluent in English, French and Arabic.

Dr. Nabbout has enormous experience in providing a full spectrum of adult healthcare including vast knowledge in the areas of diabetesdiseases of the heart, lungs, and gastrointestinal systems. He also served as a physician for the City of Lowell, Board of Saints Medical Center,  Director for Lowell Health Care Center.

In a world where “managed care” is becoming more prevalent, Dr. Nabbout believes in the time honored tradition of seeing his own patients when they are in the hospital or nursing home. He believes that is when they need their own physician the most.

"I am blessed to have a supportive wife, Karine, a psychologist, and four children, Charles, Michael, Justin and Zara."

Dr. Nabbout's Reviews

Karine Nabbout, M. Ed., CEO

Karine Nabbout is the CEO of Global Care Medical Group, P.C.

She served as psychotherapist at Arbour Counseling, Lowell, MA and at Lahey Health Behavioral Services, Tewksbury, MA. Her education and professional background in both the mind and the body gives her a unique and effective approach to counseling. Therefore, she counseled patients and groups with mental illness/ opioid overdose prevention and assisted in the development of goals and treatment plans.


As a humanistic, person-centered therapist, Mrs. Nabbout is a Professional member of the American Counseling Association and an active Board Member of Jeanne Geiger Crisis Center for Empowering, Engaging, & Ending Domestic Violence.


Outside of private practice, Karine is a UNICEF dynamic member who volunteers in treating children, adolescents, and adults with diverse backgrounds and ranges of concerns.


She succeeded in having her Patent Award in July 2018, registered at the United States Patent and Trademark Office (uspto), Washington DC: Patent No. USD822343S1. Mrs. Nabbout innovates in creating an Open Front Hospital Gown that makes patients feel more comfortable.

Karine continues to educate herself by attending national and local conferences and keeping up with current therapy research. She holds several professional certifications in integrative, cognitive-behavioral, and mindfulness therapy.

Douglas Fritz, M.D, Medical Director

Dr. Douglas Fritz earned his medical degree from Albany Medical College in New York in 2007, and completed his residency in from University Louisville Hospital in Kentucky in 2011. He is board certified in Internal Medicine and Pediatrics. His clinical interests are in preventative care and complete family care.

He resides in Tewksbury, MA, and enjoys spending time with his family, sports and SCI-FI movies.

Dr. Fritz’s Reviews

Zinabu Maxwell, M.D.

Dr. Zinabu Maxwell earned her medical degree from University of Sint Eustatius School of Medicine in St. Eustatius Netherland Antilles in 2007.  She completed residency at Michigan State University/KCMS Family Medicine in Kalamazoo, Michigan in 2011. She is Board Certified in Family Medicine. Her clinical interests include taking care and getting to know the whole  family.  She is also very passionate about preventative medicine.

Dr. Maxwell enjoys going to the gym, movies, traveling, visiting family, and staying home to  relax.

 Dr. Maxwell's Reviews

Rosemary Janas, FNP

Rose Janas achieved her Bachelor of Science in 1981 and her Master of Science in 1984 from the University of Lowell, MA. Rose practiced with her father, John Janas, M.D., in his family practice from 1984-1998. She has been working with Dr. Nabbout since 1998.

Certified by ANCC, American Nurses Credentialing Center, as a Family Practitioner, she was also inducted into Sigma Theta Tau-National Honor Society of nursing in 1984.

Rose resides with her family in Hampton, NH, and enjoys swimming, walking, and spending time with her family.

Rosemary's Reviews

Healthgrades.com/Rosemary Janas, FNP
Sarim Poirier, FNP

Sarim Poirier received her BSN in Nursing and Science from Salem University in Salem, MA. She received her MSN in Nursing and Science from Regis College in Weston, MA specializing in Family Medicine and Primary Care. Sarim in certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners (AANP). With a background in nursing, specialties include neuroscience, medical/surgical, oncology, adult geriatrics, and case management.


Her favorite interests include travel, food, exercise and spending time with her husband and three children.

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Angela I. Kulesza, DPN, NP-C

Angela Kulesza completed her nursing education at Regis College with a BSN in 2004, MSN in 2005 and a Doctorate in Nursing Practice in 2009.  Additionally, she holds a BA in Biology from Merrimack College.  She is certified by the American Association of Nurse Practitioners in Family Practice and is a member of Sigma Theta Tau Nursing Honor Society.  She is also the Family Nurse Practitioner Program Director at Regis College where she is an Associate Professor. 

She enjoys organizing and participating in community service projects and spending time with her husband Steven and their children Alexander and Theodore. 

Angela's Reviews

Healthgrades.com/Angela Kulesza, DPN, NP-C
Tara M. Coyne, MSN, RN, NP-C

Tara is a family nurse practitioner certified by the American Association of Nurse Practitioners. She enjoys teaching and spending time with her family. She is currently in the doctoral program at Regis College in Weston, MA.

Tara's Reviews

Healthgrades.com/Tara Coyne, MSN, RN, NP-C
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Joan Tiano, MSN, NP-C

Joan began her career in nursing with an ASN from Middlesex Community College and BSN from Southern New Hampshire University. She received her MSN from Rivier University and is certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners (AANP). She has RN experience in hospital inpatient units including medical/surgical, telemetry, acute & subacute rehab, and long-term care. Joan previously worked in engineering and has a BS in Chemical Engineering from UMass Lowell. She enjoys singing, art, movies, traveling and spending time with her husband and three children.