Staff and Medical Assistants

Gail D'Avolio, Office Manager 

Gail is the Office Manager. She has been in the medical field for 35 years. She has been working for Global Care Medical Group since January 2021. Previously she has managed both Primary Care and Specialty offices. Outside of work she likes to spend time with family, camping, quilting and competing with her dogs.

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Zach Taha , M.A.

Zach enjoys the outdoors, time spent with friends and family, and also enjoys traveling. Zach is a people person and is committed to a variety of patents he assists and is in the process of continuing his education for his Nursing degree.

Amy Lisbeth Nicolson, M.A.

Medical Assistant with over 20 years of experience. Completed the Medical Assistant Program at Shawsheen Valley Tech in Billerica, MA. Currently working in the Tewksbury location 13 years, forming a great relationship with numerous long time patients and co-workers. 

Kristina Lefrançois, M.A. 

Tia is a registered medical assistant and has been in the field for 2 years. She has worked before as a CNA and loves being in the medical field. When she isn’t working here, she’s most likely somewhere outside enjoying the sun or eating!

Walter Torres, M.A.

Walters a medical assistant with over 6 years of experience. Was once invited to join and speak at the governmental leadership breakfast in the city of lawrence due to fantastic work in health centers. Enjoys dealing with patients and making them feel comfortable. “ Treat each patient, as if they were your family member”.

Sylvia Rivera, M.A. 

Medical Assistant with one year of experience. "I truly enjoy the medical field and working with patients providing them care."

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Alissa Tuy, M.A. 

Medical assistance and receptionist for over 20 years graduated from Newbury college and has four wonderful kids.

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Diana Mejia, M.A. 

Medical assistant with 11 years of experience. "Proud to be a medical assistant making a difference not just a living."

Jaritza Oppenheimer, M.A. 

Hi my name is Jaritza  I have been a medical assistant for over 11 years .I love helping my community and being a team player “there is no I in team .” I love traveling and creating new memories. One life to live so let’s do it right . - Jarii O

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Jennifer Camacho, M.A. 

Jennifer is a bilingual Medical assistant with 9 years of experience . Jennifer graduated from the American training program 2010. “I enjoy bring smiles and sense of reassurance to the patients. “

Kristina Ngae, M.A.  

Kristina Ngae is a certified medical assistant. I enjoy working with the staff and providers and I’ve learned a lot from the team throughout the year. Outside of work, I love to spend time with my family, cook and preferably to warmer weather.

Amanda K., M.A.  
Amanda is an experienced Medical Receptionist. She has recently completed her CCMA exam and is now one of our Certified Clinical Medical Assistants. She is continuing her education towards a Healthcare Administration Degree. Amanda is a team player and goes above and beyond for our patients. Amanda is also a mother of two and enjoys spending time with her family. Hobbies: Family photography, event planning.

Caroline Orcutt, Billing Coordinator

Caroline went to college at Johnson & Wales University and studied Sports/Entertainment/Event Management. After college she switched careers and joined the medical field working as an administrator. Over the last 9 years she has worked in all administrative and clerical aspects of a medical office.  In her free time, she enjoys playing with her dog, growing her own food, and enjoying the outdoors.  

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Anne Schemchuk, Secretary 

Anne has been working in healthcare for over 30 years and has been with Global Care since 2014. She enjoys sewing and spending time with her husband and children.

Bethany Shemchuck, Receptionist

Bethany is a receptionist with over 5 years of customer service experience. She is hoping to attend school to become a medical assistant in the near future. She has 3 cats, enjoys painting, and loves the ocean!

Tiffany, Receptionist

Tiffany is a medical receptionist that has been in the medical field for five years. She has worked in Dermatology, Endoscopy, and Hematology/Oncology. Tiffany has 19 years of customer service experience and is in school for Business Entrepreneurship. In her spare time, she enjoys filmmaking, trying new foods, and traveling.

Rihab Gannem, Clinical Coordinator, Interpreter, Supervisor

My name is Rihab Gannem, but most people call me Rachel. I have been working with Global Care Medical Group for over a year as Clinical Coordinator, Arabic Medical Interpreter, and Supervisor. I have a Bachelor’s Degree in Science from Lebanese University and USJ, as well as, an Associate Degree in Healthcare Management from NECC. I speak English, Arabic, and French. I am happy to be part of the Global Care Medical Group team.

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Yevgeniya Cullen, Lab Technician  

"Most people know me as Jenny. I have been with Global Care for 3 years. I have 12 years of experience as a phlebotomist. I put my patients comfort and positive experience during blood work first! I enjoy walking on the beach, cooking, reading "

Dimarys Collon, Lab Technician  

Dimarys has been a Medical Assistant for 13 years with laboratory experience. Loves to help other people. Her moto is “Treat every person with respect and care for them as if they are family!” Other than being a great Medical Assistant/Lab Tech she is a mother of two and lives to spend time with her family as much as possible. She also enjoys vacations to tropical islands and beaches.