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California Form DS 326, Driver Medical Evaluation, page 1
Complex · 72/100Form Complexity Index

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What this form asks for

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California Form DS 326, the Driver Medical Evaluation, is a confidential document used by the Department of Motor Vehicles (DMV) to assess if a driver's medical condition could impact their ability to operate a motor vehicle safely. The form requires the driver to provide their health history and authorize a medical professional to complete a detailed evaluation of specific conditions like vision, cognitive function, and diabetes. This evaluation is crucial for the DMV to make an informed decision about the driver's licensing status. Today, this form can be filled out quickly and accurately using AI-powered services like Instafill.ai, which can also convert non-fillable PDF versions into interactive fillable forms.
Fillable fields334
Pages5
Sections34
Tables and lists1
Questions that depend on earlier answers8
Form Complexity IndexComplex, 72/100

The AI checks your answers before you download

14 checks built for this form, so a wrong date or a missing answer is caught before anyone else sees it.

Conditional Health History Explanation

This validation ensures that if the driver answers 'Yes' to any of the health history questions in Section 1, the 'EXPLANATION' text field must be filled out. This is critical for the DMV to understand the nature, onset, and treatment of any reported condition. If this validation fails, the form is considered incomplete as the context for the 'Yes' answer is missing, preventing a proper medical evaluation.

Driver License Number Format

This check verifies that the 'DRIVER LICENSE NO.' in Section 1 conforms to the standard California format, which is a single letter followed by seven digits. This ensures the form can be correctly associated with the driver's official DMV record. A failure would prevent the system from locating the correct driver file, rendering the submission unusable until corrected.

Date of Last Examination Validity

This validation confirms that the 'DATE OF LAST EXAMINATION' in Section 7 is a valid date and occurs in the past, prior to the current date. It is important for establishing a recent and relevant medical assessment. An invalid or future date would call into question the timeliness and validity of the entire medical professional's evaluation.

Conditional 'Other Medical Professional' Details

This check ensures that if the medical professional checks 'Yes' for 'IS THIS PATIENT BEING TREATED FOR ANY CONDITION BY ANOTHER MP?' in Section 6, then the 'NAME OF TREATING MP(S)' and 'CONDITION BEING TREATED' fields must be completed. This information is vital for a comprehensive understanding of the patient's total health picture. Failure to provide these details would result in an incomplete medical history, potentially overlooking conditions relevant to driving safety.

Conditional Adherence to Regimen Explanation

This validation requires an explanation if the medical professional answers 'No' to 'IS THE PATIENT ADHERING TO THE MEDICAL REGIMEN?' in Section 7. Understanding why a patient is non-adherent is crucial for assessing the stability of their condition and the reliability of their treatment. Without this explanation, the DMV cannot accurately gauge the risk associated with the patient's condition being uncontrolled.

Conditional Medication Side Effects Description

This check mandates that if 'Yes' is selected for 'WOULD THE SIDE EFFECTS FROM THE PRESCRIBED MEDICATIONS INTERFERE WITH YOUR PATIENT’S ABILITY TO DRIVE SAFELY?' in Section 7, the corresponding description field must be filled. This detail is essential for determining if medication itself poses a driving risk, such as drowsiness or impaired judgment. A missing description would leave a critical safety question unanswered.

And 8 more checks
  • Conditional Driving Impact Explanation
  • Visual Acuity Denominator Format
  • Dementia Impairment Rating Exclusivity
  • Conditional Diabetes Hospitalization Details
  • Medical Professional Signature Section Completeness
  • Medical License Number Validity
  • Logical Date Sequence
  • Conditional 'Regular Follow-up' Frequency

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How to Fill Out DS 326 Online for Free in 2026

What the AI walks you through.

  1. Navigate to Instafill.ai and upload or select the DS 326 Driver Medical Evaluation form.
  2. Use the AI assistant to fill in your driver information, including name, address, and license number in Section 1.
  3. Complete the Health History questionnaire in Section 1, providing detailed explanations for any 'YES' answers as required.
  4. Electronically sign and date the driver certification in Section 1 and the medical information authorization in Section 3.
  5. Securely share the partially completed form with your medical professional for them to complete their evaluation.
  6. Your medical professional fills out Sections 5-13, signs the form, and can then submit it directly to the DMV via the provided fax number or address.
  7. Download a final, completed copy of the DS 326 for your personal records.

Common Mistakes in Completing DS 326

The ones the AI is built to catch.

Incomplete Explanations for 'Yes' Answers
In Section 1, drivers often check 'Yes' to a health condition but fail to provide a complete description in the 'EXPLANATION' box. The form requires details like onset date, diagnosis, medications, and doctor's information. An empty or vague explanation forces the DMV to request more information, delaying the evaluation process. To prevent this, meticulously detail every 'Yes' answer as instructed, ensuring all parts of the question are addressed.
Missing One of Two Driver Signatures
Page 1 requires two separate signatures from the driver: one in Section 1 to certify the health history, and another in Section 3 to authorize the release of medical information. It is very common for drivers to sign in one place but miss the other. An incomplete form is invalid and will be returned, delaying the license review. Always double-check page 1 for both the 'DRIVER'S SIGNATURE' and the 'SIGNED' line in the authorization section.
Leaving Medical Professional Fields Blank
Medical professionals sometimes leave non-applicable fields blank, especially in the detailed checklists for dementia, seizures, or diabetes. The instructions state to use 'N/A' if a question does not apply. Blank fields create ambiguity, as the reviewer cannot know if the question was missed or intentionally left as not applicable, which can lead to form rejection. Using 'N/A' provides clarity and ensures the form is considered complete.
Vague Medication Details
When listing medications in Section 7, a medical professional might only write the drug's name, omitting the required dosage and frequency (e.g., 'Lisinopril' instead of 'Lisinopril 10mg, once daily'). The DMV needs this full context to assess potential side effects and their impact on driving. Incomplete medication information can trigger a follow-up request, slowing down the entire process. Always include the drug name, dosage, and frequency for all prescribed medications.
Failing to Explain Conditional Answers
Several questions require an explanation if a specific answer is chosen, such as explaining why a patient is not adhering to a medical regimen or describing how medication side effects interfere with driving. Professionals may check the box but forget to provide the mandatory narrative. This missing context is critical for the DMV's decision and its absence will halt the review. Ensure any answer that prompts for an explanation is followed by a clear and concise description.
Missing Medical License Number
In the final signature block (Section 13), the medical professional's license number is required for verification. Forgetting to enter this number is a frequent oversight that prevents the DMV from confirming the practitioner's credentials. This simple mistake can invalidate the entire medical evaluation, requiring the form to be sent back to the doctor for completion. Always ensure the medical license number is clearly printed alongside the signature and date.
Illegible Handwriting
Since this form is often printed and filled out by hand, illegible handwriting is a major issue, particularly in the sections for diagnosis, medications, and comments. If the DMV reviewer cannot read the information, the form is effectively useless and will be rejected. This leads to significant delays and frustration for the driver. Using clear block letters is essential. AI-powered tools like Instafill.ai can prevent this by converting the PDF into a fillable format, allowing information to be typed clearly.
Inconsistent Information Between Sections
A medical professional might indicate in Section 7 that a patient's condition does not affect safe driving, but then describe significant cognitive or motor impairments in Sections 8 or 9. These contradictions create confusion and undermine the credibility of the evaluation, often resulting in a request for clarification or a mandatory driving test. It is crucial to ensure that all checklist answers, ratings, and narrative comments present a consistent and logical clinical picture.
Incorrect Name or Address Formatting
In Section 1, drivers may enter their name in a standard 'First Last' format instead of the required 'LAST, FIRST, MIDDLE' format, or provide an incomplete address. These data entry errors can cause mismatches with DMV records, delaying the processing of the evaluation. To avoid this, carefully follow the specified format for each field. Using a form-filling tool like Instafill.ai can help by automatically populating and formatting personal information correctly based on official records.
Omitting the 'Return By' Date or Fax Number
The top of the form includes fields for 'RETURN BY' and 'FAX NUMBER' that are often pre-filled by the DMV but can sometimes be left blank. If the driver or physician misplaces the cover letter, they may not know the deadline or where to send the completed form. This can lead to a missed deadline and a potential suspension of the driving privilege. It is vital to confirm this information is present before leaving the DMV or to contact the DMV if it is missing.

Frequently Asked Questions About DS 326

 

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Can I fill other forms too?
This plan is for your DS 326: your own AI agent fills it as often as 5 times a month. To fill other forms and upload your own, choose a Professional plan from your account.
How do I cancel?
From your account, in two clicks, any time. No email, no call.
How does the AI fill out DS 326?
You answer a few questions in plain words, or upload your current passport. The AI reads what you give it and puts each answer into the right field of DS 326, on every page, in seconds. It checks the answers against the form's own rules, and you review and change anything before you download, print or sign.
What happens to my information?
It is encrypted in transit and at rest, and it is never used to train AI.
How complex is DS 326 to fill out?
DS 326 has a Form Complexity Index of 72 out of 100, in the complex tier: 334 fillable fields across 5 pages. Instafill.ai's AI fills it in under a minute, with every field there for you to review before you download.
Why did I receive this Driver Medical Evaluation form?
You likely received this form because the California DMV has information indicating you may have a medical condition that could affect your ability to drive safely. This evaluation helps the DMV gather information from you and your doctor to make a fair licensing decision.
Who needs to fill out this form?
You, the driver, must complete and sign Sections 1-3, which cover your personal information, health history, and medical authorization. A qualified medical professional must then complete the detailed evaluation in Sections 5-13.
What do I need to do before I take this form to my doctor?
Before your appointment, you must completely fill out your personal information in Section 1, answer all health history questions, and sign both the certification in Section 1 and the medical information authorization in Section 3.
What happens if I don't submit this form?
Failure to provide the required medical information is cause for the DMV to refuse to issue a license or to withdraw your current driving privilege.
Is my medical information kept private?
Yes, the form explicitly states that under California Vehicle Code §1808.5, all DMV records relating to your physical or mental condition are confidential and not open to public inspection.
Who makes the final decision about my license?
The DMV has the sole responsibility for any decision regarding your driving qualifications and license. They will consider the medical evaluation from your doctor, but will also consider non-medical factors in their final decision.
Where does the completed form need to be sent?
Your medical professional should send the completed form to the DMV address or fax number listed in the 'PHYSICIAN RETURN FORM TO' box on the first page by the specified 'RETURN BY' date.
What should I do if I need more space to explain my 'YES' answers in the health history section?
Use the 'EXPLANATION' box provided in Section 1 to detail your conditions. If you need more room, you are permitted to attach an additional sheet with the necessary information.
My doctor is recommending a driving test. Does this mean I will lose my license?
Not necessarily. A driving test recommendation is one piece of information the DMV uses to assess your current ability to drive safely, and passing it can help you retain your driving privilege.
Can I use an AI tool to help me fill out this form?
Yes, for your portion of the form, services like Instafill.ai can use AI to accurately auto-fill your personal information fields, saving time and helping to prevent errors. Your medical professional must still complete their sections manually.
How can I fill out this form online using Instafill.ai?
You can upload the DS 326 PDF to the Instafill.ai platform to fill out your sections (1-3) online. After completing your part, you can print the form to take to your doctor for their evaluation and signature.
The PDF of the form I have is not fillable. What can I do?
If you have a non-fillable or 'flat' PDF, you can use a service like Instafill.ai. It can convert the document into an interactive, fillable form that you can easily complete on your computer.
What kind of medical professional can complete the evaluation?
The form specifies that Sections 5-13 must be completed by a Physician, Physician's Assistant, or Advanced Practice Registered Nurse who is familiar with your health history.
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