Jillian C. Grigoryan-Koster, MD

  • Family Medicine
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Jillian C. Grigoryan-Koster

Locations

Dartmouth Hitchcock Clinics Manchester

New patients call: 800-653-0776

About me

I see care as a partnership. My goal is to know each person, listen closely, and understand what matters most. Together, we can make a care plan that fits personal goals and daily life.

As a family medicine provider, I care for the whole person and build lasting relationships. Clear communication is important, so I explain health concerns in understandable terms. I also welcome family members and caregivers as part of the care team when helpful. Reducing the impact of illness on a patient greatly impacts their future. It is rewarding to see my patients overcome health challenges and enjoy their overall life.

Outside of medicine, I enjoy time with my family, playing the violin, and making greeting cards.

Specialties

  • Family Medicine
  • Primary Care
  • Primary Care, Adult

Areas of focus

  • Post-hospital care
  • Geriatrics
  • Chronic disease management
  • Lifestyle medicine

Year joined

  • 2026

Department websites

Education

Medical school

  • MD, Drexel University College of Medicine, Philadelphia, PA, 2015

Residency

  • Family Medicine, Dartmouth Family Medicine Residency Program, Concord, NH, 2018

Board certification

  • Family Medicine