Providers & Chains

Rayus: Locations, Services and

If you have heard the name "RAYUS" from your doctor or seen it on a referral

Ultrasound Clinic Finder Editors Jul 16, 2026 6 min read
Rayus: Locations, Services and

If you have heard the name "RAYUS" from your doctor or seen it on a referral, you may be wondering what the company is and whether it is a good place for your scan. RAYUS is the brand name of a large outpatient imaging network in the United States, formed when a long-established company rebranded. This profile explains who RAYUS is, what it offers, and how to judge any imaging provider honestly.

The short version

  • RAYUS is short for RAYUS Radiology, a national outpatient imaging network headquartered in Minneapolis.
  • It was formerly the Center for Diagnostic Imaging, or CDI, and adopted the RAYUS name in 2021.
  • It provides advanced diagnostic and interventional radiology, including MRI, CT, X-ray, and women's imaging.
  • Reviews and services vary by individual centre, so check the specific location rather than the brand.

What "RAYUS" means

RAYUS is simply the brand name of RAYUS Radiology, so the short search term and the full company name refer to the same business. According to the company, it delivers advanced diagnostic and interventional radiology across many US states from its base in Minneapolis. For a fuller breakdown of the network, its footprint, and how booking works, see our detailed profile of RAYUS Radiology, which this page complements with a shorter, name-focused overview.

We are not affiliated with RAYUS, we do not sell its services, and we do not reproduce its marketing. The aim here is accurate background and a fair checklist so you can decide for yourself, alongside your doctor, whether RAYUS is a sensible option for the scan you need.

From CDI to RAYUS: a quick history

Rayus: Locations, Services and

RAYUS did not appear out of nowhere. The company was previously known as the Center for Diagnostic Imaging, or CDI, a well-established outpatient imaging provider. In 2021 it rebranded to the RAYUS name as part of a national growth strategy. If you have older paperwork or a longstanding relationship with a CDI centre, it is likely the same underlying business under a new name. To place a company like this in context, our overview of what radiology involves is a helpful primer.

Services offered

As a full-service outpatient provider, RAYUS offers the common diagnostic modalities you would expect from a large radiology network. Rather than repeat marketing claims, it is more useful to know the general categories these centres provide and to confirm the specifics with your local site.

  • MRI: detailed soft-tissue imaging without radiation. See our MRI scan guide.
  • CT: fast cross-sectional imaging, often used for the chest, abdomen, and trauma. See our CT scan guide.
  • X-ray and other diagnostic imaging: standard radiographs and related studies.
  • Women's imaging: the company lists this as a specialty service area.
  • Interventional radiology: image-guided procedures, where offered.

Availability differs by centre, so always confirm that the specific site can perform the scan your doctor ordered.

Why outpatient networks like RAYUS exist

Rayus: Locations, Services and

A lot of imaging does not need to happen in a hospital. When a scan is planned rather than an emergency, a dedicated outpatient centre can often see you sooner, in a calmer setting, and sometimes at a lower cost. The underlying tests are the same as those a hospital uses, and the images are read by qualified radiologists either way.

Knowing which test you are having, and why, makes it easier to ask a provider the right questions. If your doctor is weighing ultrasound against cross-sectional imaging, our guides to the ultrasound and the MRI scan explain how the tests differ.

Tip: Brand recognition is reassuring, but it does not guarantee your nearest branch offers a specific scan or is in-network with your insurance. Always verify both at the individual centre before booking.

Booking and insurance

Outpatient imaging typically starts with a referral from your doctor. The general process at a provider like RAYUS looks like this:

  1. Your doctor sends an order or referral for a specific scan.
  2. You schedule an appointment by phone or online.
  3. The centre verifies your insurance and any prior authorisation before the visit.
  4. A radiologist interprets the images and reports to your doctor.
  5. You access records and bills through the patient portal.

Confirm insurance and authorisation early, because advanced imaging often requires prior approval. Costs vary by scan, location, and coverage, so ask for an estimate. Our guide to the real cost of a CT scan explains what to ask about out-of-pocket cost.

What patients say, and how to choose well

Patient experience at any large network varies from one centre and appointment to the next, so a single brand rating is misleading. Read reviews for the specific location you are considering and look for recurring themes rather than one-off complaints. The same checklist helps you pick any good outpatient centre.

  • Confirm it is in-network with your insurance, or ask for a clear self-pay quote.
  • Check it offers the exact modality your doctor ordered.
  • Ask about accreditation and whether board-certified radiologists read the scans.
  • Read recent, location-specific reviews for consistent themes.
  • Confirm how and when your results will reach your doctor.

Please note: This is general information, not medical advice or an endorsement of any provider. We do not publish invented reviews, ratings, wait times, addresses, or phone numbers. Verify current services, locations, and feedback directly with the provider and independent review sources, and rely on your doctor's guidance for where and when to be scanned.

RAYUS compared with other options

A national brand is not automatically the best choice, and a smaller local centre is not automatically worse. What matters is the fit for your scan, your insurance, and your location. When comparing, weigh RAYUS against other networks such as SimonMed and regional providers like Lenox Hill Radiology, using the same criteria for each. Our directory guides on radiology near you and choosing an imaging centre walk through that comparison step by step.

Frequently asked questions

Is RAYUS the same as RAYUS Radiology?

Yes. RAYUS is the shorthand for RAYUS Radiology, a national outpatient imaging network headquartered in Minneapolis. The short brand term and the full name refer to the same company.

Was RAYUS formerly known by another name?

Yes. RAYUS Radiology was previously the Center for Diagnostic Imaging, or CDI, and rebranded to the RAYUS name in 2021. It is the same underlying business under a new brand.

What scans does RAYUS offer?

The company provides advanced diagnostic and interventional radiology, which generally includes MRI, CT, and X-ray, along with a women's imaging specialty. Exact services vary by centre, so confirm that your nearest location offers the specific scan your doctor ordered.

How do I book with RAYUS, and does it take my insurance?

Booking usually starts with a referral from your doctor. You then schedule an appointment, and the centre verifies your insurance and any prior authorisation. Insurance acceptance depends on your plan and the specific centre, so contact the provider and your insurer directly before booking.

How can I tell whether a RAYUS centre is good?

Read reviews for the specific location rather than the brand as a whole, and watch for recurring themes about scheduling, staff, billing clarity, and result turnaround. Also confirm accreditation, in-network status, and that the centre offers the scan you need. Your doctor's recommendation is a valuable guide too.

Sources and further reading:

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Written by Ultrasound Clinic Finder Editors

Sharing clear, practical guidance on ultrasound scans and clinics. Read more about this site.