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Summary
Dr. Gillen works in Willmar, MN and 2 other locations and specializes in Emergency Medicine. Dr. Gillen is affiliated with Centracare Saint Cloud Hospital, Centracare Health Melrose and Centracare Rice Memorial Hospital.
Quick Facts
- 39 insurance plans accepted
- Kaleida Health Buffalo General Medical Center
- 1 specialty
- 3 hospital affiliations
- 3 office locations
- Male
Office Locations
Dr. Dennison W Gillen has 3 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Dennison W Gillen, DO | Christopher Carleo, MD | Dr. Frank Byoung Lee, MD | Dr. Brenda Sue Sommerdorf, MD |
| Emergency Medicine | Emergency Medicine | Emergency Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | ||
| 28 Years of Experience | 23 Years of Experience | 31 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish, Tagalog, Portuguese | ||
| Willmar , MN | East Setauket , NY | Allen , TX | Buffalo , MN |
| Med School: Suny Stony Brookhealth | Med School: New York Medical College | Med School: University Of Colorado School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Dennison W Gillen
Medical Specialties
Dr. Dennison W Gillen has the following specialty
Certifications, License, & Education
Dr. Dennison W Gillen holds an expired medical license in the state of Minnesota.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Minnesota that expired in 2026.
Education & Training
Residency
Completed their residency at Kaleida Health Buffalo General Medical Center.
NPI Number
Dr. Gillen's NPI number is 1982068920.
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Frequently Asked Questions
- How can I make an appointment with Dr. Dennison Gillen?
- You can find contact information for Dr. Dennison Gillen here on Vitals.
- Does Dr. Dennison Gillen accept virtual/telehealth appointments?
- Dr. Dennison Gillen has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dr. Dennison Gillen's office located?
- Dr. Dennison Gillen's office is located at 301 Becker Ave Sw, Willmar, MN, 56201.
- Which hospitals is Dr. Dennison Gillen affiliated with?
- Dr. Dennison Gillen is affiliated with Centracare Saint Cloud Hospital, Centracare Health Melrose, and Centracare Rice Memorial Hospital.
- Does Dr. Dennison Gillen accept my insurance?
- You can see the insurance plans that Dr. Dennison Gillen accepts on their Vitals profile.
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