CONTACT US  |  HARRIS: 845-794-3300   |   CALLICOON: 845-887-5530

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Infectious Disease

When faced with an infection that can be difficult to diagnose or treat, it is important to consult an expert physician. The Infectious Diseases Department at Catskill Regional Medical Group has specialists who are trained to investigate and diagnose all manner of infections and fevers of unknown origin.

They have the knowledge base to treat:

Individual who was bitten by a tick.

Tick borne illnesses

Warm weather has brought tick season into full effect – affecting residents and travelers to the Catskills and Sullivan County area. Learn more about signs, symptoms, and treatment.

Learn more

Before you travel abroad, get the vaccinations required.

Travel Vaccinations

Whether you are traveling to Thailand or Africa, if you are planning a trip oversees, there are several vaccinations required to travel safety.

Protect yourself and your community by getting vaccinated before you travel. Four to six weeks before you travel, call our Infectious Disease specialist: 845-794-5335, for pre-travel health consultation and immunizations.

Treatment for Hepatitis C

Hepatitis C

If you have been diagnosed with Hepatitis C, you may be looking for answers on treatment to prevent further damage of your liver, like cancer, cirrhosis, or scarring. There are several types of Hepatitis C and all respond to treatment differently.

Based on your diagnosis, length and severity of diagnosis, your treatment plan may require different medications. Our specialist is here to explain your condition and work with you on your treatment plan.

Post-op surgurical infections.

Post-op Infections

Individuals who undergo a surgical procedure and develop a post-op infection require specialized treatment to optimize the healing process. Our infectious disease specialist is here to work with you to develop a treatment plan that best meets your needs based on the infection type, severity, and your overall health.

Our infectious disease specialist also commonly treats:

  • Multi-drug resistant infections
  • Surgical infections, such as prosthetic joint infections, and spinal infections.
  • Hepatitis B
  • Complicated fungal infections and much more.

These specialists can help investigate and contain outbreaks of contagious pathogens in institutions and the community. Combing an in depth knowledge of the microbiology of human pathogens with rigorous training in internal medicine and infectious disease, these specialists are the go-to physicians for complicated infections.

To learn more or to schedule an appointment, please call: 845-794-3379

Meet Our Board-certified Infectious Disease Physician

Marina Keller, M.D.Marina Keller, M.D.

Dr. Keller earned her undergraduate degree in Biophysics from Cornell University. She completed her medical degree in 2003 and went on to a residency in internal medicine, a fellowship in infectious disease and a second fellowship in Medical Microbiology at McGill University.

Dr. Keller is board certified by the American Board of Internal Medicine, the American Board of Infectious Diseases and the American Board of Medical Microbiology. She is the co-author of presentations and publications focusing on infectious diseases and microbiology. She has a special interest in medical diagnostics, antimicrobial stewardship and tick borne illness.

Dr. Keller grew up in the Hudson River Valley and enjoys birdwatching and the out-of-doors. She has two children, three chickens and an organic vegetable garden.

Contact Us

For more information or to schedule an appointment, contact our Infectious Disease department at 845-794-3379. Our services are located at our Harris location, at:

Catskill Regional Medical Group
3rd Floor Ambulatory Service Building
68 Harris Bushville Road
Harris, NY 12742

Monday – Friday: 8:00 AM – 4:00 PM
By appointment only. Saturday hours available, please call for more information.