Primary Care and Urgent Care under one roof
25 Marston St., Suite 304
Lawrence MA 01841

(978)-688-3100
Call for an appointment
Or
JUST WALK IN

our providers

At Merrimack Medical and Walk-In Center you will always see a licensed Family Physician or Nurse Practitioner. Our 2 staff physicians maintain private practices on-site and take turns caring for patients in the Walk-In Center.


Dr. David Farzan, M.D.Dr. David Farzan, M.D.
Dr. Farzan has over 25 years of experience in urgent and primary care. In 2010 he was a founding member of Merrimack Medical and Walk-in Center. Dr. Farzan earn his undergraduate degree at Duke University and his medical degree at the University of Florida, College of Medicine.





Dr. K. Ingrid Hunt, M.D.Dr. K. Ingrid Hunt, M.D.
Dr. K. Ingrid Hunt has been practicing in the community since 2001. In 2010, she was a founding member of Merrimack Medical and Walk-in Center. She earned her undergraduate degree from the University of Chicago and her medical degree from the University of Cincinnati. Dr. Hunt has been Board Certified in Family Medicine since 1995.




Jennifer Anderson
Jennifer Anderson joined Merrimack Medical & Walk In Center in October 2019. She has been practicing as a Family Nurse Practitioner since 2018. Jennifer is a 2017 graduate of Regis College and is board certified as a Family Nurse Practitioner by the American Association of Nurse Practitioners. She earned her undergraduate degree from Salve Regina University in 1995. Jennifer previously worked throughout the Merrimack Valley as a Registered Nurse in acute care, rehabilitation and home health agencies




Gissella Montanez
Gissella Montanez joined Merrimack Medical & Walk In Center 2018. Gissella is a board certified Family Nurse Practitioner from Mass College of Pharmacy and Health Science (MCPHS). Gissella graduated in 2009 with her nursing degree and has experience in Acute Care, Allergy, Cardiology, Dermatology, Gastroenterology, and Pediatrics. Currently, Gissella practices in Primary care, Addiction Medicine and Urgent Care.