
Medical billing scrutiny can begin with a payer audit, records request, recoupment notice, payment suspension, interview, subpoena, civil investigative demand, or search warrant. The inquiry may focus on one code, a sample of claims, years of billing data, or the roles of a provider, owner, biller, coder, marketer, and outside company.
An overpayment or coding dispute is not automatically criminal fraud. The defense should determine which claim is alleged to be false, who created or transmitted it, which rule applied at the time, whether the representation mattered to payment, and what evidence supports knowledge or intent. Our broader California healthcare fraud defense guide explains the wider state, federal, administrative, and licensing landscape.
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Do not backdate, recreate, selectively remove, or “clean up” records. Routine deletion may need to be suspended when an investigation or claim dispute is known or reasonably anticipated. Counsel can help define a defensible preservation process without disrupting unrelated records.
Upcoding allegations claim that a higher-paying service, complexity level, diagnosis, or item was billed instead of the service supported by the record. A defense may examine documentation rules, code selection, modifiers, payer-specific instructions, clinician input, automated suggestions, and who approved the final claim.
Unbundling allegations claim that components were billed separately when the payer required a combined code. Relevant evidence can include National Correct Coding Initiative edits, payer contracts, modifiers, distinct services, separate encounters, and guidance in effect on the service date.
“Phantom billing” generally describes claims for visits, tests, supplies, procedures, or equipment that investigators allege were never provided. Scheduling records, device or delivery logs, clinical documentation, signatures, location data, and patient testimony may confirm or contradict the claim theory.
A payer may flag two claims that appear to cover the same benefit. The issue may be intentional duplication, resubmission after denial, corrected claims, coordination of benefits, separate dates or providers, or an automated workflow error. The claim history must be reconstructed before drawing a conclusion.
Medical-necessity allegations can involve coverage criteria, clinical judgment, diagnosis, patient history, frequency, supervision, expert review, and sampling. A retrospective disagreement or incomplete note does not by itself prove that a provider knowingly caused a false claim.
Investigators may allege that a diagnosis, provider identifier, place of service, date, certification, order, signature, or chart entry was false and used to obtain payment. The defense should separate the underlying clinical record from claim-field transformations, interfaces, templates, and later corrections.

California Penal Code section 550 contains different insurance-fraud offenses. Sections 550(a)(6) through (9) address knowingly false or fraudulent health care benefit claims, claims for benefits not used by or for the claimant, duplicate claims presented with intent to defraud, and specified undercharge/overcharge reconciliation conduct. Section 550(a)(10) treats qualifying workers’ compensation health-benefit claims as health care benefit claims for these provisions.
Section 550(c)(2) provides the punishment framework for subdivisions (a)(6) through (9). When the claim or amount exceeds $950, section 550(c)(2)(A) permits felony or misdemeanor treatment with the custody and fine options stated there. Section 550(c)(2)(B) covers amounts of $950 or less as a misdemeanor, and claims may be aggregated over 12 consecutive months. The amount affects charging and punishment; it does not prove falsity or fraudulent intent.
Private-insurer claim allegations may overlap with California insurance fraud defense. Billing connected to workplace treatment can also raise distinct workers’ compensation fraud issues. A claim should be analyzed under the actual payer, benefit, subdivision, and evidence rather than a generic fraud label.
18 U.S.C. section 1347 addresses knowingly and willfully executing, or attempting to execute, a scheme to defraud a health care benefit program or obtain program money or property through false pretenses connected to health care benefits, items, or services. 18 U.S.C. section 1035 separately addresses specified materially false statements, concealment, and documents in a health care matter.
Federal billing investigations can involve Medicare, TRICARE, Medicaid-related federal interests, or private benefit programs covered by the statute. The scheme, false representation, materiality where required, knowledge, willfulness, causation, and the accused person’s role are fact-specific. When federal agents or prosecutors are involved, representation may require a California federal defense strategy.


A provider’s name on a claim, an owner’s financial interest, or a biller’s access to software does not automatically prove that person knowingly participated in fraud. Investigators may examine authority, workflow, training, supervision, edits, credentials, communications, compensation, ignored warnings, corrections, and who benefited. Defense counsel should map each person to each disputed claim and record.
Outside billing does not automatically transfer all responsibility away from a practice, and a practice’s responsibility does not automatically make an outside coder criminally liable. Contracts, access controls, division of duties, code sources, escalation procedures, and actual knowledge can define role boundaries. Reliance on a qualified employee, coder, consultant, or legal advice may be relevant, but its effect depends on what information was disclosed and whether the reliance was genuine and reasonable.

An audit may use code-frequency comparisons, peer benchmarks, outlier analysis, claim samples, chart review, extrapolation, patient interviews, or data matching. Those methods can identify questions, but their accuracy depends on clean data, correct attribution, a representative sample, valid assumptions, and the governing payer rules. Counsel may need to test denominators, duplicates, exclusions, patient mix, modifiers, and whether the sample supports the conclusion claimed.
A subpoena or compulsory demand requires a timely, accurate response and appropriate preservation. An interview request raises separate questions about whether participation is voluntary, the person’s status, privilege, preparation, and the danger of guessing. A rushed explanation can create new inconsistencies; silence or missed deadlines can create other risks. The response should fit the process actually underway.
Medi-Cal is California’s Medicaid program. The California Department of Health Care Services identifies provider-fraud examples such as kickbacks, double billing, services or supplies not received, and unbundling. DHCS may use audits, investigations, payment actions, and referrals. The California Department of Justice Division of Medi-Cal Fraud and Elder Abuse is California’s Medicaid Fraud Control Unit and investigates and prosecutes qualifying Medi-Cal provider-fraud matters.
An audit flag, complaint, payment suspension, or referral does not itself prove a crime. A Medi-Cal response should account for the specific claim data, records, provider rules, administrative deadlines, and the possibility of parallel criminal or civil scrutiny.
The federal False Claims Act is a civil enforcement statute with its own knowledge and materiality rules, remedies, and procedures. A civil investigation, whistleblower case, settlement, overpayment process, payer recoupment, exclusion matter, or licensing complaint is not the same as a criminal conviction. One set of billing facts can create multiple tracks, so statements and strategy should be coordinated across them.
The available defense depends on the charged law and evidence. Corrective action or repayment may be relevant context, but it does not automatically resolve criminal, civil, administrative, or licensing questions. No outcome can be guaranteed.
A medical billing allegation may trigger a board complaint, reporting issue, credentialing review, payer termination, exclusion concern, or enrollment action. Doctors, nurses, pharmacists, chiropractors, therapists, and other licensees may need coordinated professional criminal and licensing defense. A business-record investigation may also overlap with broader California white-collar defense.
Prescription claim allegations should be distinguished from forged-prescription, diversion, possession, or unlawful-prescribing theories addressed in our California prescription drug fraud guide.
No. A higher code may reflect supported complexity, a reasonable coding interpretation, or an error. Criminal liability depends on the specific statute, claim, evidence, and required knowledge or intent.
A corrected claim replaces or adjusts earlier information, while an intentional duplicate theory alleges another claim for the same benefit with fraudulent intent. Claim-status history, payer instructions, reversals, and payment data can show the difference.
Ownership alone does not establish criminal intent. Investigators may examine instructions, access, oversight, warnings, financial arrangements, corrections, and what the owner actually knew or caused.
Not necessarily. An audit may remain administrative or contractual, but some matters are referred to investigators or prosecutors. The agency, notice, request, payment action, and communications help identify the current track.
Yes, when the government alleges that a claim knowingly misrepresented the need for care. Clinical judgment, coverage criteria, records, expert review, and the person’s state of mind can be central.
Do not alter or backdate original records. Preserve them and obtain legal advice before making any addendum, correction, or response so the history remains accurate and transparent.
They can lead to a board complaint, report, credentialing review, or discipline proceeding. Those processes are separate from criminal court and should be included in the response strategy.
This page provides general information, not legal advice. Reading it, calling the firm, or submitting information does not by itself create an attorney-client relationship. Laws and procedures can change, and every matter depends on its facts, evidence, jurisdiction, and timing. Past results do not guarantee a future outcome.
Call 888-702-8882 to discuss a California medical billing fraud investigation with My Rights Law.
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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