Top ER Doctor Accused of Substance Abuse on the Job

Despite allegations, the physician is still allowed to treat patients under close supervision.

Apr. 15, 2026 at 10:49pm

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A ghostly, translucent X-ray photograph revealing the internal structure of a human brain, with glowing neural pathways and distorted shapes, conceptually representing the effects of substance abuse on a medical professional's cognitive abilities.An X-ray image of a brain hints at the neurological impacts of substance abuse, raising concerns about patient safety when medical professionals are impaired on the job.San Diego Today

An emergency room doctor in San Diego, Dr. Ariana Dillman, has been accused of exhibiting behaviors consistent with intoxication or impairment, including slurred speech and erratic behavior, while working a shift. Although her employer suspended her privileges, Dillman is still permitted to treat patients but must undergo random drug and alcohol tests, attend a support group, and avoid controlled substances.

Why it matters

The case highlights ongoing concerns about substance abuse among medical professionals and the need for stricter standards and oversight to protect patient safety, especially in high-stakes environments like emergency rooms.

The details

According to a Medical Board of California accusation, Dr. Dillman 'has used controlled substances, dangerous drugs, or alcoholic beverages' in a way that could impair her ability to safely practice medicine. The June incident escalated when Dillman refused to take a drug test on the spot. A psychiatrist has since diagnosed her with alcohol use disorder.

  • In June, Dillman allegedly exhibited behaviors consistent with intoxication or impairment while working an ER shift.

The players

Dr. Ariana Dillman

A Solana Beach physician who was accused of showing up to work impaired, including with slurred speech, while treating patients in the emergency room.

Michele Monserratt-Ramos

A patient advocate with Consumer Watchdog who stated that stricter standards are needed for physicians found under the influence while practicing.

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What they’re saying

“Unfortunately, we're seeing a lot of cases like this across the state. There should really be stricter standards for physicians that are found under the influence while in a hospital setting while practicing.”

— Michele Monserratt-Ramos, Patient Advocate, Consumer Watchdog

What’s next

The Medical Board of California will continue to monitor Dr. Dillman's case and determine if further disciplinary action is warranted.

The takeaway

This case highlights the critical need for robust oversight and accountability measures to ensure medical professionals, especially in high-pressure roles like emergency medicine, are fit to provide safe, effective care to patients. Substance abuse among healthcare workers poses a serious risk that must be addressed through stricter regulations and support systems.