Licensing is different than certification. Certification would be more attainable.
I was certified as a New Product Development Professional (NPDP), and that’s much broader than ID! It required about 1 week of training to pass the course. Here’s their study guide FYI.
Certification, like a brand, acts as a stamp of approval. A promise. Unlike your ID degree, certifications usually require keeping up with education credits, which ensures updated knowledge of agreed-upon best-practices.