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Summary
Dr. Grant Marquart treats high cholesterol in children and teens, hyperlipidemia, and arthralgia as a family medicine physician. He is affiliated with Mercy Medical Center, Peacehealth Southwest Medical Center, and Legacy Salmon Creek Medical Center, and earned his medical degree from Oregon Health & Science University School of Medicine. He has practiced family medicine for five years and sees patients in Roseburg, Oregon, and Baltimore, Maryland.
Overview based on verified provider data
Quick Facts
- 5 years of experience
- 19 insurance plans accepted
- Oregon Health & Science University School Of Medicine
- 1 specialty
- 3 hospital affiliations
- 2 office locations
- Male
Office Locations
Dr. Grant Williams Marquart has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Grant Williams Marquart | Dr. Michael Gray, MD | Dr. Amy K Gillcrist, MD | Dr. Kimberly Ann Shields |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 5 Years of Experience | 31 Years of Experience | 24 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English | Speaks English | Speaks English, Spanish | |
| Roseburg , OR | Annapolis , MD | Portland , OR | Portland , OR |
| Med School: Oregon Health & Science University School Of Medicine | Med School: University Of Maryland School Of Medicine | Med School: Oregon Health & Science University | Med School: Univ Of North Texas Health Science Center Texas College Of Osteopathic Med |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Grant Williams Marquart
Medical Specialties
Dr. Grant Williams Marquart has the following specialty
Certifications, License, & Education
5 Years Experience
Dr. Grant Williams Marquart holds an expired medical license in the states of Oregon and Washington.
Medical License
Medical Doctor with an expired medical license in the state of Oregon that expired in 2025 and an expired medical license in the state of Washington that expired in 2025.
Education & Training
Medical School
Graduated from Oregon Health & Science University School Of Medicine in 2021.
NPI Number
Dr. Marquart's NPI number is 1730728361.
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Frequently Asked Questions
- How can I make an appointment with Dr. Grant Marquart?
- You can find contact information for Dr. Grant Marquart here on Vitals.
- Where is Dr. Grant Marquart's office located?
- Dr. Grant Marquart's office is located at 2700 Nw Stewart Pkwy, Roseburg, OR, 97471.
- Which hospitals is Dr. Grant Marquart affiliated with?
- Dr. Grant Marquart is affiliated with Mercy Medical Center, Peacehealth Southwest Medical Center, and Legacy Salmon Creek Medical Center.
- Does Dr. Grant Marquart accept my insurance?
- You can see the insurance plans that Dr. Grant Marquart accepts on their Vitals profile.
- Does Dr. Grant Marquart accept virtual/telehealth appointments?
- Dr. Grant Marquart has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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