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Infectious Disease & Travel Medicine

Many common infections can be treated by your primary care clinician, however an individual may be referred to an Infectious Disease specialist when :

  • an infection is difficult to diagnose
  • an infection is accompanied by a high fever
  • an infection/illness does not respond to treatment
  • plans to travel to a foreign country or a location where infection risk is high
  • illness becomes a part of their overall care, for example, a patient with HIV/AIDS

In all of these cases, the specialized training and diagnostic tools of the Infectious Disease specialist can help determine the cause of your infection and the best approach for treatment.

Located at Pentucket Medical’s Riverwalk/ Lawrence site, board certified specialist in Infectious Disease, Karen Mello, MD, has years of experience in the evaluation and treatment of conditions such as undiagnosed fevers, HIV infection, tuberculosis, bone and joint infections, skin and soft tissue infections.  

With on-site lab and diagnostic services available, Dr Mello works with your primary care clinician to design and implement a comprehensive treatment plan to best suit your health care needs.  Should your treatment involve a hospital stay, a member of your care team will refer you to hospitals in the area or in Boston for more specialized care.


Should you be planning to travel abroad, our specialists provide health consultations, including necessary vaccinations.

CDC Travel & Immunization Guidelines

We Screen, We Clean and We Protect.

To everyone who needs us now, come get the care you deserve. Our Safe Care Commitment is in effect at all of our locations providing  you with the safest possible environment for our patients and staff.

We screen to protect you, your families, and our staff

Patients visiting our offices for healthcare appointments are screened for symptoms upon arrival. If symptomatic, patients are cared for via virtual visits.

We also provide urgent care services at our Expresscare Riverwalk location which has a separate area where we use preventative measures.

We adhere to best practice safety protocols in those settings.

We follow special infection prevention guidelines for care provided to protect our patients and our staff.

We also provide telehealth services via video so you can access care and get the treatment you need from the comfort of your home or office.

Our goal is to keep everyone safe.


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