Tether Supervision vs DocMoonlight
Why imaging centers are choosing to the modern standard for on-site, in-person contrast supervision



The Tether Supervision Platform
The Tether Supervision Platform
The premium supervision alternative to traditional resident moonlighting
Built for higher standards, greater reliability and the realities of modern outpatient imaging.
DocMoonlight
DocMoonlight offers coverage primarily through residents and fellows and has only recently begun offering virtual supervision. Their new partnership with Contrast Connect indicates that their virtual solution is early-stage and may rely on external support.
DocMoonlight
DocMoonlight offers coverage primarily through residents and fellows and has only recently begun offering virtual supervision. Their new partnership with Contrast Connect indicates that their virtual solution is early-stage and may rely on external support.
Tether Supervision
Tether Supervision delivers established, trusted on-site and virtual supervision across 85+ centers with fully licensed clinicians ranging from residents and fellows to board-eligible and board-certified physicians, radiologists, and nurses.
Tether Supervision
Tether Supervision delivers established, trusted on-site and virtual supervision across 85+ centers with fully licensed clinicians ranging from residents and fellows to board-eligible and board-certified physicians, radiologists, and nurses.


Key Differences: Tether Supervision vs. DocMoonlight
How Tether’s modern, always-on supervision model delivers faster response, higher safety, and more complete support for CT/MRI operators
Shift Reliability & Consistency
Depends on who signs up that day/week · High variability
100% requested shift fill rate · Vetted, live-interviewed physicians
Accountability
Moonlighting platform — limited oversight
Single contract, single clinical director, unified QA process
Training & Protocols
Varies by individual moonlighter
Industry-leading onsite training delivered by physician experts in contrast safety.
Medical Kit Readiness
Whatever the moonlighter brings (typically none) and whatever is on-site
Contrast reaction medication kit included standard as part of the Mobile Contrast Unit (MCU)
Supervisor Experience Levels
No details provided about the level or availability of supervising clinicians.
Multiple supervisor tiers available from residents, to fellows and attending radiologists all fully licensed
Integrated Virtual Supervision
Nascent; offered primarily via partnership with Contrast-Connect, requiring coordination
Offered as the only trusted all in one contrast solution, including integrated virtual supervision
Virtual Presence Model
Scheduled or “call-when-needed” availability
Continuous always-on monitoring with one-touch emergency escalation
Clinical Outcomes
Unknown (no published outcomes)
Zero delayed or missed contrast reactions
Shift Reliability & Consistency
Depends on who signs up that day/week · High variability
100% requested shift fill rate · Vetted, live-interviewed physicians
Accountability
Moonlighting platform — limited oversight
Single contract, single clinical director, unified QA process
Training & Protocols
Varies by individual moonlighter
Industry-leading onsite training delivered by physician experts in contrast safety.
Medical Kit Readiness
Whatever the moonlighter brings (typically none) and whatever is on-site
Contrast reaction medication kit included standard as part of the Mobile Contrast Unit (MCU)
Supervisor Experience Levels
No details provided about the level or availability of supervising clinicians.
Multiple supervisor tiers available from residents, to fellows and attending radiologists all fully licensed
Integrated Virtual Supervision
Nascent; offered primarily via partnership with Contrast-Connect, requiring coordination
Offered as the only trusted all in one contrast solution, including integrated virtual supervision
Virtual Presence Model
Scheduled or “call-when-needed” availability
Continuous always-on monitoring with one-touch emergency escalation
Clinical Outcomes
Unknown (no published outcomes)
Zero delayed or missed contrast reactions
Key Differences at a Glance
DocMoonlight
Shift Reliability & Consistency
Depends on who signs up that day/week · High variability
Accountability
Moonlighting platform — limited oversight
Training & Protocols
Varies by individual moonlighter
Medical Kit Readiness
Whatever the moonlighter brings (typically none) and whatever is on-site
Supervisor Experience Levels
No details provided about the level or availability of supervising clinicians.
Integrated Virtual Supervision
Nascent; offered primarily via partnership with Contrast-Connect, requiring coordination
Virtual Presence Model
Scheduled or “call-when-needed” availability
Clinical Outcomes
Unknown (no published outcomes)
Shift Reliability & Consistency
100% requested shift fill rate · Vetted, live-interviewed physicians
Accountability
Single contract, single clinical director, unified QA process
Training & Protocols
Industry-leading onsite training delivered by physician experts in contrast safety.
Medical Kit Readiness
Contrast reaction medication kit included standard as part of the Mobile Contrast Unit (MCU)
Supervisor Experience Levels
Multiple supervisor tiers available from residents, to fellows and attending radiologists all fully licensed
Integrated Virtual Supervision
Offered as the only trusted all in one contrast solution, including integrated virtual supervision
Virtual Presence Model
Continuous always-on monitoring with one-touch emergency escalation
Clinical Outcomes
Zero delayed or missed contrast reactions
Shift Reliability & Consistency
100% requested shift fill rate · Vetted, live-interviewed physicians
Accountability
Single contract, single clinical director, unified QA process
Training & Protocols
Industry-leading onsite training delivered by physician experts in contrast safety.
Medical Kit Readiness
Contrast reaction medication kit included standard as part of the Mobile Contrast Unit (MCU)
Supervisor Experience Levels
Multiple supervisor tiers available from residents, to fellows and attending radiologists all fully licensed
Integrated Virtual Supervision
Offered as the only trusted all in one contrast solution, including integrated virtual supervision
Virtual Presence Model
Continuous always-on monitoring with one-touch emergency escalation
Clinical Outcomes
Zero delayed or missed contrast reactions
The Bottom Line
DocMoonlight is a cost-effective way to fill shifts with residents who want extra money. Tether Supervision is the premium, zero-compromise solution with fully licensed physicians, complete emergency preparedness, and seamless virtual integration, the clear choice when patient safety and consistency actually matter.

Stop gambling on whoever signs up for a moonlighting shift.
Choose consistent, attending-level supervision that keeps your patients safe and your operations predictable.

Stop gambling on whoever signs up for a moonlighting shift.
Choose consistent, attending-level supervision that keeps your patients safe and your operations predictable.

Stop gambling on whoever signs up for a moonlighting shift.
Choose consistent, attending-level supervision that keeps your patients safe and your operations predictable.