Referring to Baystate Radiology To Make a Referral 413-794-2222 We value our partnerships with our referring health care providers, making it our goal to make it easy to refer. Our team will help your office with scheduling and questions. Baystate Health Providers To order diagnostic radiology tests: Use CIS (ACPOE) or call 794-2222. To schedule CT scans, mammograms, bone density tests or ultrasounds: Call 827-7400 or fax requests via On-Base. Community physicians affiliated with Baystate (with admitting privileges) To order diagnostic radiology tests: Use CIS (EMR) or call 794-2222. To schedule CT scans, mammograms, bone density tests or ultrasounds: Call 827-7400 or fax requests via On-Base. Community physicians not affiliated with Baystate (with no admitting privileges) To order diagnostic radiology tests: Use CIS (EMR) or call 794-2222. To schedule CT scans, mammograms, bone density tests or ultrasounds: Call 827-7400 or fax requests via On-Base. Ordering Guidelines Our radiologists have developed these guidelines to help you select the more effective imaging modality for your patient’s clinical presentation. MRI Ordering Guidelines PDF CT Ordering Guidelines PDF US Ordering Guidelines PDF