LAS VEGAS, October 4, 2026: Greg Chavez has been caring for patients his entire career, and he hasn’t slowed down for a minute. A University of New Mexico-trained pharmacist, he started on the inpatient floor at Banner Health. He built Avella Specialty Pharmacy’s specialty practice into one of the Southwest’s leaders, then carried that patient-first instinct to Medco, Humana, DaVita Medical Group and the Intalere GPO. He went on to lead commercial teams at GraphiteRx and Darwin Research Group before launching his own firm, Vendxa, in Scottsdale.

Greg knows how health systems decide, budget and buy, from the pharmacy floor to the GPO contract. That is exactly the ground LedgerDomain’s XATP credential and Address Book have to cover as DSCSA moves from rules to routine.

“Behind every master data entry in our credentialed Address Book is a story about a lifesaving drug reaching a patient,” said Ben Taylor, Founder & CEO of LedgerDomain. “Greg embodies the best of this community. He has spent his career making sure the right drug reaches the right patient, and that’s exactly what a trusted Address Book is for.”

You would never know it from the pace he keeps, but this devoted girl dad recently became a grandfather. Ask him about the new arrival, and clear some time, because he has photos.

About LedgerDomain

LedgerDomain runs the XATP Address Book, the pharmaceutical supply chain’s credentialed address book. More than 13,000 pharmacies and the trading partners they work with use it to confirm Authorized Trading Partner (ATP) status, exchange verified master data and keep inspector-ready evidence of review under the Drug Supply Chain Security Act (DSCSA). LedgerDomain also issues the OCI-compliant ATP credentials that secure Verification Router Service (VRS) requests, and builds KitChain for clinical supply chains. Learn more at ledgerdomain.com.

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