Frederick Tanzer, M.D.; Decision and Order
DEA revoked Dr. Frederick Tanzer's registration for egregious controlled substance prescribing, signaling heightened enforcement against non-compliant practitioners. Pharmacies must verify prescriber DEA status and report suspicious orders.
Aforeworn detected this change in the Pharmacy & Controlled Substances space on July 16, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated High urgency. Independent pharmacies, retail chains, compounding pharmacies, long-term-care pharmacies should confirm how it applies to their specific situation before acting. There is a time constraint attached: Immediately. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Pharmacy & Controlled Substances continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
DEA revoked Dr. Frederick Tanzer's registration for violations including prescribing outside professional practice and without legitimate medical purpose. This decision underscores DEA's focus on prescriber accountability and pharmacy gatekeeping duties.
Who it affects
Independent pharmacies, retail chains, compounding pharmacies, long-term-care pharmacies
What you must do
Review all prescriptions from Dr. Tanzer, cease filling any new ones, and report any suspicious orders to DEA. Ensure your pharmacy has processes to verify prescriber DEA status and identify red flags.
Deadline
Immediately
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