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About this practice
Patient-Reported Experience
Expect to call the clinic. After submitting an appointment request, patients report needing to call directly to finish scheduling.
Accepted Insurance
- Aetna
- Anthem
- Blue Cross Blue Shield
- CarePartners of Connecticut
- Cigna
- ConnectiCare
- CONNECTICUT MEDICAID
- Connecticut State Workers’ Compensation
- EmblemHealth Emblem Commercial
- Empire Plan
- Harvard Pilgrim Health Care
- New York State Workers’ Compensation
- Oxford
- Tricare
- UnitedHealthcare
Insurance data sourced from onsmd.com | Last updated: 2026. Please contact the clinic to verify coverage before your visit.
Hours of Operation
Closed · Opens 8:00 AM
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Request an appointment or medical records online.
We Contact the Clinic
Your request is sent directly to the clinic with everything they need.
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The clinic calls you, or you call them once they have your information. We email you along the way.
Frequently Asked Questions for ONS Greenwich MRI Center
Where is ONS Greenwich MRI Center located?
What are the hours of operation for ONS Greenwich MRI Center?
- Sunday: Closed
- Monday: 8:00 AM – 9:00 PM
- Tuesday: 8:00 AM – 9:00 PM
- Wednesday: 8:00 AM – 9:00 PM
- Thursday: 8:00 AM – 9:00 PM
- Friday: 8:00 AM – 9:00 PM
- Saturday: 8:00 AM – 5:00 PM
What is the phone number for ONS Greenwich MRI Center?
Does ONS Greenwich MRI Center accept insurance?
- Aetna
- Anthem
- Blue Cross Blue Shield
- CarePartners of Connecticut
- Cigna
- ConnectiCare
- CONNECTICUT MEDICAID
- Connecticut State Workers’ Compensation
- EmblemHealth Emblem Commercial
- Empire Plan
- Harvard Pilgrim Health Care
- New York State Workers’ Compensation
- Oxford
- Tricare
- UnitedHealthcare
Does ONS Greenwich MRI Center reach out to patients to schedule appointments?
Not usually. After submitting an appointment request, patients report needing to call directly to finish scheduling. This is based on patient surveys; your experience could differ.
How do I book an appointment at ONS Greenwich MRI Center?
You can request an appointment at this clinic through Expected Healthcare by using the appointment request form on this page. Your doctor's order will be sent directly to the clinic, and in certain cases, the clinic will call you directly or we will call the clinic to make an appointment for you. In some cases, you may need to call the clinic to finalize your appointment information.
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A few questions, any time. Upload your doctor's order if you have one.
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Your request goes straight to the clinic, complete.
Get confirmed
The clinic calls you, or you call them once they have your information. We email you along the way.
How booking works
Pick your scan
Choose a procedure above and answer a few questions online. Upload your doctor’s order if you have one.
Pick how you pay
Enter your insurance, or choose self-pay.
Get confirmed
Your request goes straight to the center, complete. The clinic calls you, or you call them once they have your information. We email you along the way.