0 reviews
Summary
Dr. Jillian Grigoryan-Koster is a family medicine physician who also specializes in hospital medicine, bringing a comprehensive approach to both outpatient and inpatient care. She earned her medical degree from Drexel University College of Medicine and has been practicing for 11 years, developing expertise in managing patients across different healthcare settings. Her dual specialties allow her to provide continuity of care whether patients need routine family medicine services or require hospitalization for more complex medical needs.
Dr. Grigoryan-Koster practices at Concord Hospital in Concord, New Hampshire, where she focuses on treating conditions such as heart failure and high blood pressure. She also manages cases involving cor pulmonale, a heart condition that affects the right side of the heart due to lung problems. Her procedural expertise includes hip replacement surgery and total hip arthroplasty, helping patients regain mobility and reduce joint pain. Additionally, she …provides emergency care services, ensuring patients receive prompt medical attention when urgent situations arise.
Read More Read less Dr. Grigoryan-Koster practices at Concord Hospital in Concord, New Hampshire, where she focuses on treating conditions such as heart failure and high blood pressure. She also manages cases involving cor pulmonale, a heart condition that affects the right side of the heart due to lung problems. Her procedural expertise includes hip replacement surgery and total hip arthroplasty, helping patients regain mobility and reduce joint pain. Additionally, she …provides emergency care services, ensuring patients receive prompt medical attention when urgent situations arise.
Overview based on verified provider data
Quick Facts
- 11 years of experience
- Drexel University College Of Medicine
- 2 specialties
- 8 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 1 office location
- Female
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Jillian Christina Grigoryan-Koster, MD | Helix Virtual Care | Dr. Nichola Antionette Patton, DNP, MSN, MBA, AGACNP-BC | Dr. Azar Alexander Korbey, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 11 Years of Experience | 21 Years of Experience | 46 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, German, Portuguese | Speaks English, Chinese, Spanish | ||
| Concord , NH | Boca Raton , FL | Sheridan , WY | Salem , NH |
| Med School: Drexel University College Of Medicine | Med School: Georgetown University School Of Medicine | ||
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Jillian Christina Grigoryan-Koster
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Jillian Christina Grigoryan-Koster has the following 2 specialties
Specialty Expertise
Dr. Jillian Christina Grigoryan-Koster has the following 8 areas of expertise
Certifications, License, & Education
11 Years Experience
Dr. Jillian Christina Grigoryan-Koster holds an active medical license in the state of New Hampshire.
Medical License
Medical Doctor with an active medical license in the state of New Hampshire that expired in 2026.
Education & Training
Medical School
Graduated from Drexel University College Of Medicine in 2015.
NPI Number
Dr. Grigoryan-Koster's NPI number is 1225419385.
Similar doctors
Frequently Asked Questions
- How can I make an appointment with Dr. Jillian Christina Grigoryan-Koster?
- You can find contact information for Dr. Jillian Christina Grigoryan-Koster here on Vitals.
- Where is Dr. Jillian Christina Grigoryan-Koster's office located?
- Dr. Jillian Christina Grigoryan-Koster's office is located at 250 Pleasant St, Concord, NH, 03301.
- Is Dr. Jillian Christina Grigoryan-Koster accepting new patients?
- Dr. Jillian Christina Grigoryan-Koster has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
- Does Dr. Jillian Christina Grigoryan-Koster accept my insurance?
- You can see the insurance plans that Dr. Jillian Christina Grigoryan-Koster accepts on their Vitals profile.
- Which hospitals is Dr. Jillian Christina Grigoryan-Koster affiliated with?
- Dr. Jillian Christina Grigoryan-Koster is affiliated with Concord Hospital.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.




