Oklahoma Dentist Stripped of DEA Registration
Published Date: 7/10/2026
Notice
Summary
Mark Allen, D.D.S., lost his DEA registration because he no longer has permission to handle controlled substances in Oklahoma. He didn’t ask for a hearing, so the DEA canceled his registration by default. This means he can’t legally prescribe or manage controlled drugs anymore, effective immediately, impacting his dental practice and any related income.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 2 costs, 0 mixed.
DEA Registration Revoked for Mark Allen
The DEA revoked Mark Allen, D.D.S.'s Certificate of Registration No. AA1668803 and denied any pending renewal, modification, or additional registration applications in Oklahoma. The Order is effective August 10, 2026, and means he is not eligible to prescribe, administer, dispense, or otherwise handle controlled substances in Oklahoma.
State License Required to Keep DEA Registration
The DEA confirmed that a practitioner must have state authority to dispense controlled substances to obtain or keep a DEA registration. Under 21 U.S.C. 824(a)(3) and 823(g)(1), loss or lack of state authorization to handle controlled substances is a basis for revoking a DEA registration.
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Key Dates
Department and Agencies
Related Federal Register Documents
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2026-13988 — Frederick Tanzer, M.D.; Decision and Order
Dr. Frederick Tanzer from Ohio lost his DEA registration because he no longer has permission to handle controlled substances in his state. He didn’t ask for a hearing, so the DEA moved forward and officially revoked his registration. This means Dr. Tanzer can’t legally prescribe or handle certain drugs anymore, effective immediately.
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Dr. Timothy Genetta from Ohio lost his DEA registration because he no longer has the legal right to handle controlled substances in his state. He didn’t ask for a hearing, so the DEA canceled his registration by default. This means he must stop prescribing or handling these drugs immediately, with no money or timing benefits for him.
2026-13825 — Designation of Phenethyl Halides as List I Chemicals
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Previous / Next Documents
Previous: 2026-13988 — Frederick Tanzer, M.D.; Decision and Order
Dr. Frederick Tanzer from Ohio lost his DEA registration because he no longer has permission to handle controlled substances in his state. He didn’t ask for a hearing, so the DEA moved forward and officially revoked his registration. This means Dr. Tanzer can’t legally prescribe or handle certain drugs anymore, effective immediately.
Next: 2026-13990 — Mariana Moualem, F.N.P.; Decision and Order
Mariana Moualem, a nurse practitioner from California, lost her DEA registration because she no longer has the state permission to handle controlled substances. She didn’t ask for a hearing to fight this, so the DEA moved forward and officially revoked her registration. This means she can’t legally prescribe or handle certain drugs anymore, effective immediately, with no money penalties mentioned.