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Casey Green

Maryland nurse achieves all five emergency nursing certifications at age 28

By: By Rob Senior

Casey Green makes history – and it’s only the start for her!

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Quite a title, isn’t it? Casey earned her place in nursing history this past summer when she became only the 85th nurse in the United States to attain the milestone of holding all FIVE emergency nursing certifications from the Board of Certification for Emergency Nursing.

Want to be even further impressed? She’s only 28 years old.

Casey, who works in the pediatric cardiac ICU at Johns Hopkins Hospital, started her journey back in 2010 when she enrolled at Howard Community College in Columbia, MD, ultimately achieving an associate’s degree in registered nursing. From there she was off to the races, earning her BSN from the University of Maryland in 2017.

But it was in achieving emergency certifications where Casey began to distinguish herself. Already an EMT, Casey originally set out with a goal of achieving two emergency certifications. “But as I passed the first emergency certification,” she recalled, “I went on and started scheduling others. I ended up taking six exams in four months!”

So from “Casey Green, BSN, RN” she added:

  • Critical Care Registered Nurse (CCRN)
  • Certified Transport Registered Nurse (CTRN)
  • Certified Flight Registered Nurse (CFRN)
  • Certified Emergency Nurse (CEN)
  • Trauma Certified Registered Nurse (TCRN)
  • Certified Pediatric Emergency Nurse (CPEN)

(Casey’s also about to achieve her National Registry Paramedic credential, “but it’s only provisional for now!” she clarified.)

Of course, she does it all while working at the hospital and serving as Adjunct Faculty at Howard Community College. And she’s only been an active nurse for about six years!

“I’d done transport nursing for about two years, working in the ER, trauma, pediatric… the biggest motivation for me is that certifications say so much about you. It speaks to your knowledge within the profession. I was ready to tackle that at this stage.”


The CTRN is a rare certification belonging to only a few hundred nurses and served as Casey’s initial motivation. Once she attained the CTRN, she knew nothing was out of the question.

“The CTRN and the CEN, I’d say they’re tied [for the hardest certifications to achieve],” she said.

With a half-dozen certifications solidified and a seventh in process, it’s time for a break… right?

“That’s not really for me,” Casey laughed. “The next step is applying for CRNA school – that’s my next goal, along with continuing to teach and inspire others to surpass me!”

To that end, Green has started Critical Care Casey, a platform by which she mentors new nurses and those pursuing certifications. “It doesn’t have to be just certifications – I want to help people get through nursing school, paramedic school.

“Not everyone is fortunate enough to have the great mentors I’ve found. I want to be that support system for others.”

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