0 reviews
Summary
Dr. Jillian Grigoryan-Koster practices family medicine and hospital medicine at Concord Hospital in Concord, New Hampshire. She earned her medical degree from Drexel University College of Medicine and has 11 years of experience.
Overview based on verified provider data
Quick Facts
- 11 years of experience
- Drexel University College Of Medicine
- 2 specialties
- 8 areas of expertise
- 1 hospital affiliation
- 1 office location
- Female
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dr. Jillian Christina Grigoryan-Koster, MD | Nicole Baldwin, APRN, FNP-BC | Dr. Azar Alexander Korbey, MD | Dr. Michael Gray, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 11 Years of Experience | 8 Years of Experience | 46 Years of Experience | 31 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English, Chinese, Spanish | Speaks English | |
| Concord , NH | Orlando , FL | Salem , NH | Annapolis , MD |
| Med School: Drexel University College Of Medicine | Med School: Georgetown University School Of Medicine | Med School: University Of Maryland 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 expired medical license in the state of New Hampshire.
Medical License
Medical Doctor with an expired 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
- Where is Dr. Jillian Grigoryan-Koster's office located?
- Dr. Jillian Grigoryan-Koster's office is located at 250 Pleasant St, Concord, NH, 03301.
- Does Dr. Jillian Grigoryan-Koster accept virtual/telehealth appointments?
- Dr. Jillian Grigoryan-Koster has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. Jillian Grigoryan-Koster?
- You can find contact information for Dr. Jillian Grigoryan-Koster here on Vitals.
- Which hospitals is Dr. Jillian Grigoryan-Koster affiliated with?
- Dr. Jillian Grigoryan-Koster is affiliated with Concord Hospital.
- Does Dr. Jillian Grigoryan-Koster accept my insurance?
- You can see the insurance plans that Dr. Jillian Grigoryan-Koster accepts on their Vitals profile.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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.




