The 5 Shocking Details Of The Thomasina Amponsah Case: How She Impersonated A Nurse At 40+ Maryland Facilities

The Thomasina Amponsah case remains one of the most alarming examples of healthcare fraud and identity theft in recent Maryland history, raising serious questions about credential verification in medical facilities across the state. As of December 17, 2025, the details of her 38-month federal prison sentence continue to reverberate through the healthcare community, serving as a stark warning about the dangers posed by individuals who fraudulently infiltrate the medical system.

This comprehensive report dives deep into the complex scheme orchestrated by Thomasina E. Amponsah, a Baltimore County resident who successfully posed as a licensed nurse for an extended period, endangering patients and compromising the integrity of over 40 healthcare facilities. Her conviction on charges of making false statements in connection to health care matters and aggravated identity theft underscores the severe legal consequences of credential fraud.

Thomasina E. Amponsah: A Brief Profile and Case Summary

The details surrounding Thomasina E. Amponsah’s personal life are sparse, as is common for defendants in white-collar crime cases, but her criminal profile is well-documented by the Department of Justice (DOJ) and the U.S. Attorney's Office. This summary outlines the key known facts of her identity and the case that led to her federal conviction:

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• Full Name: Thomasina E. Amponsah
• Age at Sentencing: 51 years old
• Residence: Baltimore County, Maryland
• Primary Charges: Making False Statements in Connection to Health Care Matters and Aggravated Identity Theft
• Plea: Pleaded Guilty (in August 2023)
• Sentence: 38 months in federal prison (maximum sentence under the plea agreement)
• Supervised Release: Three years following her prison term
• Sentencing Judge: U.S. Senior District Judge Richard D. Bennett
• Scope of Fraud: Impersonated a nurse at over 40 Maryland facilities
• Method: Used stolen nursing licenses and falsified credentials

The Anatomy of a Massive Healthcare Fraud Scheme

The sheer scale of Amponsah's deception is what made her case a national headline. Her ability to secure employment as a purported licensed nurse at no less than 40 facilities across Maryland highlights a critical vulnerability in the healthcare system's credentialing process. The scheme was sophisticated and relied heavily on the exploitation of other people’s professional identities.

How Amponsah Executed the Impersonation

The investigation revealed that Amponsah’s strategy for employment was two-fold. First, she engaged in aggravated identity theft by obtaining and using stolen nursing licenses belonging to real, licensed nurses. Second, she used these stolen credentials, along with other falsified documents, to apply for and secure positions at various healthcare settings, including nursing homes and specialized care centers.

By presenting these fraudulent documents, she bypassed the initial screening processes designed to protect patients. Her actions allowed her to work directly with vulnerable individuals, performing duties that required a legitimate nursing license and professional training, which she did not possess. This prolonged deception put countless patients at risk, though the full extent of any direct patient harm has not been publicly detailed.

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The impersonation scheme was not a one-time event but a continuous pattern of fraud. Prosecutors noted that the deception spanned a significant period, allowing her to move from one facility to the next before her fraudulent status could be discovered.

The Legal Fallout and Federal Sentencing

The legal process against Thomasina Amponsah was handled by the U.S. District Court in Baltimore, reflecting the seriousness of the federal charges involved. The case was prosecuted by Assistant U.S. Attorneys Joseph L. Wenner and Sean R. Sucheski, underscoring the Department of Justice's commitment to combating healthcare fraud.

Plea and Conviction Details

Faced with overwhelming evidence, Amponsah, then 50, ultimately pleaded guilty to two counts: making false statements in connection to health care matters and aggravated identity theft. The guilty plea was a significant step, acknowledging her role in the extensive scheme that compromised the safety of multiple Maryland facilities.

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The charge of aggravated identity theft carries a mandatory two-year prison sentence, which must be served consecutively to any sentence imposed for the underlying crime of making false statements. This mandatory minimum played a key role in the final sentence handed down by Judge Richard D. Bennett.

The 38-Month Federal Prison Sentence

In November, U.S. Senior District Judge Richard D. Bennett imposed the maximum sentence allowed under the plea agreement: 38 months in federal prison. This sentence was a clear message about the severity of credential fraud in healthcare. In addition to the prison time, Amponsah was also ordered to complete three years of supervised release upon her release from custody.

The sentencing highlighted several critical entities and considerations that influenced the decision:

• Public Safety: The primary concern was the risk posed to public health by an unlicensed individual providing medical care.
• Deterrence: The sentence was intended to deter others from attempting similar nurse impersonation schemes.
• Identity Theft: The use of stolen nursing licenses was viewed as a particularly egregious crime, violating the professional integrity of licensed practitioners.
• Scope: The fact that Amponsah defrauded over 40 facilities showed a pattern of long-term, deliberate criminal activity.

Lessons Learned: The Fight Against Credential Fraud

The Amponsah case has become a focal point for discussions on improving security and verification processes within the healthcare industry. The sheer volume of facilities—over 40—that were successfully infiltrated by an individual using falsified credentials suggests systemic weaknesses that require immediate attention. The case underscores the need for robust, real-time verification systems that go beyond simple document checks.

Healthcare organizations, particularly those in the Baltimore-Washington metropolitan area, are now under increased scrutiny to implement stricter protocols. This includes utilizing advanced background check services and cross-referencing applicant data with state-level professional licensing boards to prevent future instances of impersonating nurses. For the public, the case is a sobering reminder that vigilance is necessary, even in trusted professional environments.

Ultimately, the 38-month sentence serves as a definitive legal conclusion to the Thomasina Amponsah saga, but the conversation about healthcare security and professional accountability is far from over. The commitment of law enforcement, including the Department of Health and Human Services (HHS), to prosecute these cases shows that there is a strong federal response to protect the integrity of the healthcare system and the safety of its patients.