Doctor-patient privilege in California is an evidentiary rule under Evidence Code sections 990 through 1007 that lets a patient keep confidential medical communications out of court and stop the physician from disclosing them. The patient controls it, not the doctor. It has real force in civil litigation, but it disappears entirely in criminal proceedings and gives way to mandatory reporting duties and several other exceptions that catch people off guard.
Who Controls the Privilege and What It Covers
The patient is the only person who decides whether protected communications stay confidential or come into evidence. Under Evidence Code 994, the patient can refuse to disclose confidential communications with a physician and can block anyone else from disclosing them.1California Legislative Information. California Evidence Code 994 – Physician-Patient Privilege A subpoenaed doctor cannot share what a patient told them unless the patient agrees. If the patient has a guardian or conservator, that person holds the privilege; after death, it passes to the personal representative of the estate.2California Legislative Information. California Evidence Code 993 – Holder of the Privilege
Evidence Code 992 defines a “confidential communication” as information transmitted in confidence during the physician-patient relationship, including anything learned through examination, any diagnosis, and any advice given.3California Legislative Information. California Evidence Code 992 – Confidential Communication Between Patient and Physician That covers verbal conversations, written records, test results, prescriptions, treatment plans, and patient portal messages. The key requirement is that the patient meant it to stay between them and the physician, plus anyone reasonably necessary for the consultation. Bringing a friend with no medical role into the exam room can undermine confidentiality for whatever gets discussed in front of them.
The privilege has to be asserted. If a patient has the chance to object during a legal proceeding and stays silent, a court can treat the silence as a waiver.
Who Counts as a Physician
California defines “physician” broadly. It includes anyone authorized to practice medicine in any state or nation, and also anyone the patient reasonably believed was authorized to practice.4California Legislative Information. California Evidence Code 990 – Definition of Physician That second piece matters. If you consult someone you genuinely believe is a licensed doctor, the privilege applies to what you share, even if it later turns out their license lapsed or came from another jurisdiction. Nurses, medical assistants, and technicians working under a physician’s direction are covered too, because they’re considered necessary for the consultation to function.
The Exceptions That Take Away the Privilege
The privilege has more holes than most patients realize. The Evidence Code lays out over a dozen situations where a physician can be compelled to testify or hand over records regardless of the patient’s wishes.
Criminal Proceedings
This is the broadest exception and the one that surprises people most. Evidence Code 998 states flatly that there is no physician-patient privilege in a criminal proceeding.5California Legislative Information. California Evidence Code 998 – Criminal Proceeding It isn’t limited to specific crimes or specific types of medical information. If you’re a defendant or witness in a criminal case, the prosecution can subpoena your doctor and your records, and this privilege will not stop it.
Patient-Litigant Exception
When you file a lawsuit that puts your own physical or mental condition at issue, you lose the privilege for medical communications relevant to that condition. Evidence Code 996 removes the privilege when the patient, someone claiming through the patient, a beneficiary under a contract with the patient, or a plaintiff suing for the patient’s injury or death has raised the patient’s condition as an issue.6California Legislative Information. California Evidence Code 996 – Patient-Litigant Exception File a personal injury case claiming back injuries, and the defense can reach your back records. Courts generally limit access to records relevant to the condition at issue, not your whole medical history.
Crime or Fraud Purpose
If you sought a doctor’s services specifically to further a crime or tort, no privilege attaches. Evidence Code 997 removes protection when the services were sought to help commit or plan a crime or tort, or to avoid getting caught afterward.7California Legislative Information. California Evidence Code 997 – Crime or Tort Exception Visiting a doctor to obtain drugs illegally or to fabricate symptoms for a fraudulent insurance claim fits here.
Mandatory Reporting Obligations
Information a physician is legally required to report to a government agency is not privileged. Evidence Code 1006 removes protection for anything the physician or patient must report to a public employee, or that must be recorded in a public office, when those reports or records are open to public inspection.8California Legislative Information. California Evidence Code 1006 – Required Reports
The most significant reporting duty involves child abuse and neglect. Penal Code 11166 requires physicians and other mandated reporters to report suspected child abuse by telephone immediately, then follow with a written report within 36 hours. Failure to report is a misdemeanor carrying up to six months in jail, a $1,000 fine, or both.9California Legislative Information. California Penal Code 11166 – Mandated Reporters Similar duties cover suspected elder abuse and certain injuries caused by firearms or domestic violence.
Commitment and Competency Proceedings
The privilege does not apply in proceedings to involuntarily commit a patient or place them or their property under someone else’s control because of a mental or physical condition.10California Legislative Information. California Evidence Code 1004 – Commitment Proceedings The same is true for a proceeding brought by or on behalf of the patient to establish their own competence.11California Legislative Information. California Evidence Code 1005 – Competence Proceedings The patient’s condition is the central question in both, so excluding medical evidence would defeat the point.
Malpractice and Other Breach Claims
When the doctor or the patient breaches a duty owed to the other, the privilege is lifted for communications relevant to that breach. Evidence Code 1001 makes this explicit, and it comes up most often in medical malpractice: the patient needs the records to prove the claim, and the doctor needs them to defend.
Licensing and Public Employment Proceedings
When a government agency is deciding whether to revoke, suspend, or restrict a professional license, public employment, or other government-granted authority, the privilege does not apply.12California Legislative Information. California Evidence Code 1007 – Public Entity Proceedings Patient communications relevant to a medical board inquiry into a physician’s fitness to practice, for example, are not shielded.
How You Can Waive It Without Meaning To
A patient can lose the privilege by voluntarily disclosing the protected information. Under Evidence Code 912, if the holder voluntarily discloses a significant part of a confidential communication or consents to someone else disclosing it, the privilege is waived for that communication.13California Legislative Information. California Evidence Code 912 – Waiver of Privilege Consent can be explicit, like signing an authorization, or implied through conduct, including failing to object when you have the standing and opportunity to.
The tricky part is everyday decisions that don’t feel legal. Sharing records with an employer for a disability accommodation, submitting them to an insurer for a claim, or describing a diagnosis in detail on social media can all be treated as voluntary disclosures. Once information is out without restriction, you may not be able to keep it out of later litigation. Courts usually limit any resulting waiver to the specific information disclosed, not your entire medical history, but the line isn’t always predictable.
Testifying about your own condition in court or in a deposition is another common path to waiver. Describe your injuries on the stand and the other side can argue you’ve opened the door to related records. Judges typically confine discovery to information directly connected to what you testified about, but privilege claims over that same condition become much harder to sustain once you’ve put it in the record.
Therapy Is Covered by a Separate, Stronger Privilege
Many people assume the doctor-patient privilege covers therapy, but California treats therapy under a separate psychotherapist-patient privilege in Evidence Code 1014.14California Legislative Information. California Evidence Code 1014 – Psychotherapist-Patient Privilege The distinction is critical because the psychotherapist privilege survives in criminal proceedings, while the physician-patient privilege does not. The definition of “psychotherapist” covers psychiatrists, licensed psychologists, licensed clinical social workers doing psychotherapy, licensed marriage and family therapists, school psychologists, psychiatric-mental health nurses with master’s degrees, and various supervised trainees.15California Legislative Information. California Evidence Code 1010 – Definition of Psychotherapist
The therapy privilege has its own dangerous-patient exception: if the therapist has reasonable cause to believe a patient is dangerous to themselves or others and disclosure is necessary to prevent the danger, no privilege applies.16California Legislative Information. California Evidence Code 1024 – Dangerous Patient Exception Civil Code 43.92 separately codifies the Tarasoff duty to warn identifiable victims and law enforcement of serious threats of violence.17California Legislative Information. California Civil Code 43.92 – Duty to Protect
How This Differs From HIPAA and the CMIA
Doctor-patient privilege is an evidentiary rule. It governs what medical information can be introduced as evidence in court. HIPAA is a federal regulatory framework that governs how providers, insurers, and their business associates handle protected health information day to day. The Confidentiality of Medical Information Act, in Civil Code sections 56 through 56.37, adds state privacy regulation on top of HIPAA.
The practical difference shows up in subpoenas. Even where the privilege doesn’t apply, such as a criminal case, HIPAA still imposes procedural requirements before a provider can release records. A court order allows only what the order specifies. A subpoena without a court order needs written assurance that the patient was notified and given time to object, or that the requester has sought a qualified protective order limiting how the records can be used.18eCFR. 45 CFR 164.512 – Uses and Disclosures for Which an Authorization or Opportunity to Agree or Object Is Not Required
Under the CMIA, California providers can disclose medical information without patient authorization only in specific circumstances, such as sharing with treating providers, transmitting to insurers for payment, or responding to lawful government requests.19California Legislative Information. California Civil Code 56.10 – Authorized Disclosures A provider who negligently releases records in violation of the CMIA faces a private lawsuit. The patient can recover $1,000 in nominal damages without proving actual harm, plus actual damages if any exist.20California Legislative Information. California Civil Code 56.36 – Violations
Asserting the Privilege When Someone Tries to Get Your Records
The most common flashpoint is a discovery demand for records during civil litigation. You or your attorney can object and force the requesting party to file a motion to compel, which puts the question before a judge. You can also seek a protective order under Code of Civil Procedure 2031.060, asking the court to limit or block disclosure entirely.21California Legislative Information. California Code of Civil Procedure 2031.060 – Protective Order Good cause means showing unwarranted harm, embarrassment, or burden if the material comes out without limits. Courts can craft narrow orders that let attorneys see records while keeping them out of the public file, or that confine disclosure to specific categories of treatment. In close cases, judges often conduct an in camera review, examining records privately to decide what’s genuinely relevant.
If a provider hands over privileged records without proper authorization, the patient can sue under the CMIA for nominal and actual damages. Courts can also sanction parties who improperly obtain or use privileged material, including monetary penalties and exclusion from evidence. These remedies depend on knowing your rights and asserting them promptly. Objections raised for the first time on appeal, after the records have already come in at trial, rarely succeed.