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Primary Care

Oswego Health conveniently provides primary care services in locations throughout Oswego County.

Our primary care providers, which include board-certified physicians and advanced care providers, offer care in Oswego, Fulton and Central Square.

Primary care includes health promotion, disease prevention, health maintenance, counseling, patient education, and diagnosis and treatment of acute and chronic illnesses.

By regularly seeing a primary care practitioner, you can identify and control health risk factors before they become problems. Your primary care practitioner encourages you to take charge of your health and is a trusted partner for that care.

Oswego Health oversees two PrimeCare locations as well as the Oswego Family Physicians practice.

Areas of Specialty

  • Chronic disease management
  • Adult medicine
  • Well-child visits

Our locations in Fulton and Central Square are accepting new patients.

Oswego Family Physicians

Douglas Guenter, MD

Douglas Guenter, MD, earned his bachelor’s degree from Bethel College in St. Paul, MN, and his medical degree from the Medical College of Wisconsin. Dr. Guenter served seven years in the U.S. Air Force and obtained the rank of major.           

Mark Humphrey, DO

Mark Humphrey, DO, earned his medical degree from the New York College of Osteopathic Medicine and completed his family practice residency at Wilson Memorial Regional Medical Center, located in Johnson City.

Robert Morgan, MD, FAAFP

Robert Morgan, MD, FAAFP, earned his medical degree from Upstate Medical University and completed his family practice residency at St. Joseph’s Hospital. He is a board-certified family physician.

Micheal Stephens, MD

Micheal Stephens, MD, attended medical school at the University of Western Ontario, Canada. His residency was completed at the University of British Columbia.

Jessica Digby, PA

Jessica Digby, PA, earned her Bachelor of Science in Health Science and her Master of Science in Physician Assistant Studies.

Emily Weston, NP

Emily Weston, NP, attended SUNY Polytechnic Institute where she earned her Master of Science in Nursing, Family Nurse Practitioner.

Primecare Fulton

Joselito Ouano, MD

Joselito Ouano, MD, a board-certified family medicine physician, who earned his medical degree from the Cebu Institute of Medicine in the Philippines. His residency was completed at The Reading Hospital in Pennsylvania. Dr. Ouano is also a graduate of Pennsylvania State University, where he obtained his bachelor’s degree in biology.


Nicole Brubaker, NP

Nicole Brubaker, FNP, completed the family nurse practitioner program at Upstate Medical University and earned her FNP certification from the American Association of Nurse Practitioner.  

Tyanna Bergeron, NP

Tyanna Bergeron, FNP, earned her Masters of Science in Nursing/Family Nurse Practitioner degree from Gonzaga University, graduating Cum Laude in Spokane, Washington. She obtained her Bachelors of Science in Nursing from Washington State University and her Associates Degree in Nursing from Wenatchee Valley College in Washington.

Primecare Central Square

Vandana Patil, MD

Vandana Patil, MD, is a board-certified family medicine physician. She attended the NDMVPS Medical college in Nasik, India and completed her residency at Saint Joseph Medical Center at New York Medical College.

Jill Peterson, DO

Jill Peterson, DO, earned her Doctor of Osteopathic Medicine from the University of New England College of Osteopathic Medicine. She completed both her osteopathic internship and family practice residency at United Healthcare in Johnson City. While fulfilling her residency, she was the chief resident and received the Community Service Award.

Dr. Peterson, an experienced medical provider, and was among the physicians who introduced urgent care services to the community.


Cassandra Hunsberger, FNP-C

Cassandra Hunsberger, FNP-C, earned her Family Nurse Practitioner degree from SUNY Upstate Medical University, where she also pbtained her Bachelors of Science in Nursing.

Meredith Potter, FNP

Meredith Potter, FNP, earned her Master of Science in Nursing/Nurse Practitioner degree from SUNY Polytechnic Institute of Technology in Utica. She obtained her Bachelor of Science in Nursing at SUNY Plattsburgh.


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