California Prescription Drug Fraud Lawyer

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Last updated: August 16, 2026

Facing a Prescription Drug Fraud Investigation in California?

Prescription-related investigations can involve very different accusations. A patient may be suspected of using deception to obtain medication. A prescriber or pharmacist may be accused of issuing or filling controlled-substance prescriptions outside legitimate professional practice. A clinic, pharmacy, or billing company may be investigated for reimbursement claims. Other cases focus on forged prescriptions, stolen credentials, diversion, possession, or distribution.

Those theories should not be collapsed into one generic “prescription fraud” charge. Each law has different elements, evidence, and consequences. If investigators, an insurer, a licensing board, the DEA, or a prosecutor has contacted you, preserve the prescriptions, medical and pharmacy records, billing data, access logs, and communications. Call 888-702-8882 for a free confidential consultation.

Prescription Billing Fraud Is Different From Obtaining Drugs by Deception

A reimbursement case asks whether someone knowingly submitted or caused a false claim for payment. A controlled-substance acquisition case asks how a prescription or drug was obtained. A professional-practice case examines whether a prescription had a legitimate medical purpose and was issued in the usual course of practice. A possession or diversion case focuses on control, authorization, transfer, or distribution of the medication.

One investigation can include more than one theory, but suspicious prescribing, a denied pharmacy claim, possession of pills, and health care billing fraud are not interchangeable.

False Prescription Billing and Penal Code Section 550

California Penal Code section 550 addresses knowingly false insurance and health care benefit claims. Prescription-related allegations may involve billing for medication that was never dispensed, billing for a different or more expensive drug than the one provided, duplicate claims, claims for a benefit not used by or for the patient, or knowingly false supporting records.

Section 550(a)(6)–(9) contains the health care benefit provisions, while section 550(a)(5) concerns a writing intended to support a false claim. The charging and penalty framework depends on the subdivision, amount, aggregation period, and evidence. For a broader explanation of private-insurer, Medi-Cal, and Medicare issues, see our California insurance fraud defense page.

Medi-Cal is California’s Medicaid program. Medicare is federal. A prescription billing matter can therefore involve a private payer, a California agency, federal investigators, or more than one authority. The payer alone does not establish that a claim was fraudulent.

Medically Unnecessary or Improper Controlled-Substance Prescriptions

Health and Safety Code section 11153 states that a controlled-substance prescription may be issued only for a legitimate medical purpose by a practitioner acting in the usual course of professional practice. Responsibility rests with the prescriber, and a corresponding responsibility rests with the pharmacist who fills the prescription. The section also states penalties for a knowing violation.

An allegation that treatment was medically unnecessary can involve patient history, examination findings, diagnosis, dosage, refill timing, monitoring, toxicology, consultation records, pharmacy warnings, and the prescriber’s actual purpose. A later clinical disagreement or incomplete note is not automatically proof that a practitioner knowingly issued an unlawful prescription.

Obtaining Controlled Substances by Fraud: Health and Safety Code Section 11173

Health and Safety Code section 11173 prohibits obtaining or attempting to obtain a controlled substance, or procuring its administration or prescription, by fraud, deceit, misrepresentation, subterfuge, or concealment of a material fact. It separately addresses false statements in required prescriptions, orders, reports, or records; false professional personation to obtain controlled substances; and false or forged labels.

Depending on the facts, an investigation may concern alleged doctor shopping, concealment of overlapping prescriptions, use of another person’s identity, a false report or record, stolen credentials, or an office employee’s unauthorized access. The prosecution still must connect the accused person to the prohibited conduct and prove the required mental state.

Forged or Altered Narcotic Prescriptions: Health and Safety Code Section 11368

Health and Safety Code section 11368 applies to specified conduct involving a narcotic-drug prescription: forging or altering it, issuing or using an altered prescription, issuing or using one with a forged or fictitious signature, obtaining a narcotic drug through such a prescription, or possessing a narcotic drug secured through one.

This section is narrower than a generic claim that a prescription looked suspicious. Questions can include whether the drug qualifies under the statute, whether the prescription was forged, altered, or fictitious, who created or presented it, and whether the accused knew its character.

Pharmacy, Provider, Clinic, and Billing-Company Exposure

Provider-side cases are often built from records across several systems. Investigators may examine:

  • Whether medication was ordered, dispensed, delivered, returned, wasted, or reversed.
  • Whether the quantity, National Drug Code, dosage, days’ supply, refill, or prescriber information matched the claim.
  • Whether a prescription was supported by the patient record and issued for a legitimate medical purpose.
  • Whether pharmacy or clinic staff used a prescriber’s credentials or DEA registration without authorization.
  • Whether a billing company followed provider instructions, created its own coding rule, or knowingly submitted false data.
  • Whether ownership, marketing, referral, or compensation arrangements affected prescribing or dispensing.
  • Whether inventory, EHR, dispensing, CURES, claim, and payment records tell the same story.

A provider, pharmacist, technician, office employee, clinic owner, pharmacy owner, or outside biller can have a different role and different knowledge. Organizational access to a system is not by itself proof that a particular person created or approved a false prescription or claim.

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Diversion, Possession, and Distribution Are Separate Issues

Diversion can refer to controlled substances moving from lawful channels to unauthorized use or distribution. Evidence may involve missing inventory, unauthorized refills, altered records, pill counts, transfers, sales, or possession without a valid prescription. Those allegations can support controlled-substance charges distinct from billing fraud.

For general possession, sale, transportation, and other drug-charge issues, see our California drug crimes defense page. The government must prove the elements of the actual charged offense rather than treating every prescription discrepancy as distribution.

When Federal Law May Apply

Federal controlled-substance law can apply to conduct involving federal registration, interstate activity, or federal investigations. 21 U.S.C. section 843(a)(3) prohibits knowingly or intentionally obtaining a controlled substance by misrepresentation, fraud, forgery, deception, or subterfuge.

For reimbursement schemes, 18 U.S.C. section 1347 addresses knowingly and willfully executing or attempting a scheme to defraud a health care benefit program, or obtaining program money or property by false or fraudulent pretenses in connection with health care benefits, items, or services. Federal jurisdiction is fact-specific; a pharmacy interaction or state prescription charge does not automatically become a federal case.

An Innocent Documentation or Coding Error Is Not Automatically Fraud

Pharmacy claims are frequently reversed, rebilled, coordinated with another payer, or corrected. Medical records can contain copied text, delayed signatures, incomplete histories, or inconsistent medication lists. Billing systems can map codes incorrectly, and a third-party biller can misunderstand a payer rule.

Those facts may require correction or create administrative exposure, but criminal fraud generally requires proof beyond a disputed claim or imperfect record. Relevant questions include who knew the information was false, whether it was material, who submitted it, whether medication was actually dispensed, and whether money or controlled substances were obtained.

Evidence Commonly Reviewed in Prescription Fraud Cases

  • Original and electronic prescriptions, refill requests, signature data, and audit trails.
  • Patient charts, diagnoses, examination notes, medication agreements, toxicology, and monitoring records.
  • Pharmacy dispensing logs, inventory, purchase records, reversals, returns, and surveillance.
  • CURES data, prescriber and DEA-registration records, and access credentials.
  • Claims, remittance advice, prior authorizations, National Drug Codes, and payment records.
  • Emails, messages, call recordings, and communications among patients, providers, pharmacies, and billers.

Do not alter, recreate, or delete records after learning of an investigation. Preservation protects legitimate explanations and avoids creating a separate issue.

Potential Defense Issues

  • No knowing falsehood, fraudulent intent, or concealment of a material fact.
  • A legitimate medical purpose and prescribing within usual professional practice.
  • A valid prescription, authorized refill, actual dispensing, or documented patient use.
  • An innocent coding, documentation, payer, identity, or third-party billing error.
  • No proof the accused created, altered, presented, possessed, or approved the questioned item.
  • Unreliable data matching, incomplete records, mistaken identity, or compromised credentials.
  • An unlawful search, seizure, interview, or access to protected records.

The defense should be tied to the charged statute and evidence. A billing defense may not answer a forged-prescription allegation, and a valid prescription may not resolve a separate reimbursement claim.

What to Do if You Are Under Investigation

  1. Preserve records. Keep prescriptions, charts, pharmacy data, billing files, contracts, and communications intact.
  2. Do not guess in an interview. Investigators may already have claim, CURES, inventory, and access-log evidence.
  3. Identify the theory and agencies. Determine whether the issue is billing, prescribing, dispensing, acquisition, diversion, possession, or more than one.
  4. Have counsel review subpoenas and licensing-board requests. Criminal, professional, and reimbursement exposure can overlap.
  5. Build a role-based timeline. Identify who prescribed, filled, coded, submitted, reversed, delivered, accessed, and received payment.

Contact a California Prescription Drug Fraud Defense Lawyer

My Rights Law represents people facing criminal investigations and charges involving prescription records, controlled substances, billing, and related fraud allegations. We can review the evidence without promising a particular result. Call 888-702-8882 or use the secure web form for a free confidential consultation.

For related white-collar allegations, visit our California financial crimes defense page.

Official Legal References

This page was written by the My Rights Law Editorial Team and reviewed for legal accuracy by Bobby Shamuilian.

Attorney Shamuilian is the founder and managing partner of My Rights Law and is widely recognized as a legal authority, frequently appearing as a legal analyst and TV pundit on national news outlets.

He has earned a perfect “10.0 – Top Attorney” rating on AVVO and a “10.0” rating on Justia, and has been named among the “Top 40 Under 40” and the “Top 100 Trial Lawyers” by The National Trial Lawyers.

With his proven expertise and dedication, Mr. Shamuilian is committed to protecting your rights and achieving the best possible outcome for your case.

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