Contains AI-generated informationMore information

Claims, refusals and complaintsArticle 5 of 6 · 10 min read

Escalating a complaint to the insurer's defender and regulator

The order for challenging a refused health insurance claim in Spain: the insurer first, then the insurance regulator, then mediation and court. For policyholders who want to know who to write to, how, and by when.

Terms used

  • Defensor del Cliente — The Defensor del Cliente is an insurer's independent customer defender, which some insurers have, that handles customer complaints.
  • Acuse de recibo — The acuse de recibo is a receipt showing the insurer received your complaint and when.
  • DGSFP — The DGSFP is Spain's insurance regulator, which handles complaints against insurers.
  • OMIC — The OMIC is a town hall's consumer information office.
  • Procurador — The procurador is a court agent who represents you in court alongside your lawyer.
  • Justicia gratuita — Justicia gratuita is free legal aid for people with low income.

Key rules

  • Order: The regulator only takes your complaint after you have complained to the insurer first.
  • Insurer answer: The insurer has two months to answer, and silence does not mean it accepted your claim.
  • Regulator report: The regulator's report is not binding on the insurer, but it carries weight in court.
  • Court deadline: Legal actions under a health insurance contract expire after five years.

The order to follow

Start with the insurer, then the regulator, then (if needed) mediation and court. You cannot skip the first step if you want the regulator to take your case.

Step 1: Complain to the insurer

Who: the insurer's customer service department, or its Defensor del Cliente if it has one.

How: in person, by post, or electronically (email or web form). Use any of its offices or the address it publishes.

Deadline: within two years of the day you learned of the events.

Include your name and ID number, the facts, the grounds for your complaint, the department or office concerned, and your supporting documents. Say in the complaint that no court, arbitration or other proceeding is open on the same matter. Ask for a receipt (acuse de recibo), or keep other proof of the filing date. The complaint letter template below can help you.

Step 2: Wait for the answer

The insurer has two months from the day you file to answer. If it rejects you, or stays silent for those two months, you can go to the regulator. Silence does not mean your claim is accepted. It only opens the next step.

Step 3: Complain to the regulator

Who: the DGSFP, Spain's insurance regulator, through its complaints service.

How: online with a digital certificate, or on paper at the DGSFP or any public registry. It is free and you do not need a lawyer.

Deadline: within four years of the events.

Identify yourself, the insurer and the facts, and say what you ask for. Attach your first complaint, the insurer's reply and your supporting documents. Repeat that no court or other proceeding is pending.

The regulator's report is not binding on the insurer. It does carry weight if you later go to court. If you start a lawsuit, the regulator stops processing your complaint, so do not run both at once.

Step 4: Mediation, consumer bodies or court

Mediation and consumer bodies are optional. Your town's consumer office (OMIC) or your region's consumer authority can help. Consumer arbitration only works if the insurer has joined that system, which is rare.

Before most civil claims, you now need to document an attempt at a negotiated solution. A written offer to settle, or a mediation attempt, can count.

Who: the civil court (Juzgado de Primera Instancia), usually in your home district.

Deadline: legal actions under a health insurance contract expire after five years. A court claim, a written demand or the insurer admitting the debt can restart the clock.

For claims above 2,000 euros you need a lawyer and a court agent (procurador). Smaller claims can be filed without them. Individuals are generally exempt from court fees, and free legal aid (justicia gratuita) exists for low incomes.

Courts are open at any time. The insurer and regulator steps are not required before suing.

Choosing between options

Which route should you take after the insurer refuses your claim?

  • Complain to the DGSFP: You have already complained to the insurer and it rejected you or stayed silent. It is free, needs no lawyer, and gives you a report that is not binding on the insurer.

  • Go to court: You want a decision the insurer must obey. You can start at any time; a lawyer and court agent are required above 2,000 euros.

  • Try mediation or a consumer body: You want a negotiated outcome. The town hall consumer office (OMIC) or the regional consumer authority can help, and arbitration works only if the insurer has joined the system.

Start with the insurer, then the DGSFP if you want a free opinion on the case. Go to court if you need an enforceable result, remembering that a lawsuit stops the DGSFP complaint.

Timeline and deadlines

  • File your complaint with the insurer's customer service or Defensor del Cliente: within two years of the day you became aware of the events

  • Complain to the DGSFP, the insurance regulator: once the insurer rejects you or two months pass without a reply, and within four years of the events

  • Document an attempt at a negotiated solution, such as mediation, before suing: before filing most civil claims

  • File a civil lawsuit if you want the courts to decide: at any time, within five years of the date you could first act, usually the insured event or the refusal

Documents you need

  • Your identity details for the complaint: your name and ID number.

  • Your written complaint to the insurer's customer service or Defensor del Cliente (the insurer's independent complaints officer), setting out the facts, the grounds and the department concerned.

  • The insurer's receipt (acuse de recibo) for your complaint, or other proof of the date you filed it.

  • The insurer's written reply rejecting your complaint, needed for the regulator complaint. If two months passed with no reply, attach your complaint and receipt instead.

  • Supporting documents for your case, attached to both the insurer complaint and the regulator complaint.

  • A statement in your complaint that no court, arbitration or other proceeding is pending on the same matter.

Checklist

  • File your complaint with the insurer's customer service department or Defensor del Cliente, in person, by post, or by email or web form.

  • Wait for the insurer's answer, then keep its written rejection or note the end of the two months.

  • Send your complaint to the DGSFP, the insurance regulator, online with a digital certificate or on paper at the DGSFP or any public registry.

  • Document an attempt at a negotiated solution before you file a civil claim in court.

What to watch out for

  • Missing the two-year window to complain to the insurer: The complaint to the insurer's customer service or Defensor del Cliente must be filed within two years of the day you became aware of the events. Later complaints can be turned away. File in writing as soon as the refusal arrives and keep the receipt.

  • Going to the regulator before the insurer: The DGSFP only takes a complaint after you have complained to the insurer. Without the first step it will not accept yours. File with the insurer first, then go to the DGSFP once it rejects you or two months pass in silence.

  • Treating silence as a win: If the insurer does not answer, your claim is not accepted. Silence only opens the next step. After two months of silence, file with the DGSFP.

  • Starting a lawsuit while the regulator complaint is open: A pending lawsuit stops the DGSFP from processing your complaint. Its report is also not binding, so decide which route you want first. Wait for the report if you want it, or sue and withdraw the complaint.

  • Waiting too long to sue: Legal actions under a health insurance contract expire after five years. The clock can be interrupted, for example by a court claim or a formal demand to the insurer. Note the date of the refusal and send a formal demand or file well before five years pass.

Complaint letter template for a refused claim

Use this letter first with the insurer's customer service department (servicio de atención al cliente) or its Defensor del Cliente. Keep proof of the filing date: ask for a receipt (acuse de recibo), send it by email with a read receipt, or send it by registered post.

If the insurer rejects the complaint, or stays silent for two months, you can send the same letter to the insurance regulator (DGSFP). Swap in the second paragraph of the request marked for the regulator, and attach the insurer's reply. The regulator is free to use and you do not need a lawyer. Complaints must be filed within four years of the events. The regulator updates its online form from time to time, so check its current instructions before you file.

Fill in everything in square brackets. Delete the lines that do not apply.


A la atención del Servicio de Atención al Cliente / Defensor del Cliente de [nombre de la aseguradora] (For the regulator: "Dirección General de Seguros y Fondos de Pensiones – Servicio de Reclamaciones")

Lugar y fecha: [ciudad], [día] de [mes] de [año]

Asunto: Reclamación por denegación de siniestro – póliza n.º [número de póliza]

Datos del reclamante

  • Nombre y apellidos: [nombre completo]
  • DNI / NIE / pasaporte: [número]
  • Dirección: [calle, número, código postal, ciudad]
  • Teléfono y correo electrónico: [teléfono] / [email]
  • Si actúa un representante, indique su nombre y adjunte la autorización: [nombre del representante]

Aseguradora y póliza

  • Aseguradora: [nombre]
  • Número de póliza: [número]
  • Número de siniestro o expediente, si existe: [número]
  • Departamento u oficina afectada: [por ejemplo, Prestaciones / Autorizaciones / oficina de ciudad]

Hechos

  1. El [fecha], [explique qué ocurrió: por ejemplo, "acudí a consulta con el Dr. X por…"].
  2. El [fecha], [explique qué solicitó: autorización, reembolso, pago…].
  3. El [fecha], la aseguradora me comunicó la denegación con el siguiente motivo: "[motivo indicado en la carta de rechazo]".
  4. [Añada otros hechos en orden cronológico, con fechas.]

Fundamentos de la reclamación Considero que la denegación no es correcta porque [explique con sus palabras, por ejemplo: "la cláusula [número o título de la cláusula] de mi póliza cubre [prestación]" / "el médico justifica que el tratamiento es necesario, según el informe adjunto" / "la póliza estaba en vigor en la fecha de los hechos"].

Solicitud Solicito que la aseguradora [pague / reembolse la cantidad de [importe] euros / autorice [tratamiento o prueba]] y que revise su decisión.

(Only for the regulator:) Solicito que el Servicio de Reclamaciones admita esta reclamación y emita un informe sobre ella. Previamente presenté esta reclamación ante el servicio de atención al cliente de la aseguradora el [fecha], y esta [la rechazó el [fecha] / no ha respondido en el plazo de dos meses].

Declaración Declaro que los hechos objeto de esta reclamación no están siendo examinados en ningún procedimiento judicial, administrativo ni arbitral, ni se ha resuelto ya sobre ellos.

Documentos que adjunto

  1. Copia de mi [DNI / NIE / pasaporte].
  2. Póliza con las condiciones generales y particulares.
  3. Informes médicos y recetas, y el informe del médico que justifica la necesidad del tratamiento.
  4. Facturas y justificantes de pago.
  5. Solicitudes de autorización y respuestas recibidas.
  6. Correos y otra correspondencia con la aseguradora.
  7. (Only for the regulator:) Mi reclamación anterior al servicio de atención al cliente y la respuesta de la aseguradora.

Atentamente,

[Firma] [Nombre y apellidos]


Before you send it

  • Put in dates and amounts for every step. Vague letters are easy to reject.
  • Quote the exact clause of your policy if you can find it. If you cannot, describe the cover in your own words and attach the whole policy.
  • Send copies of your documents, never the originals.
  • Keep a full copy of the letter and of everything you attach.

Frequently asked questions

Do I need a lawyer to complain to the DGSFP?

No, you do not need a lawyer to complain to the DGSFP, and filing is free of charge.

Can I go to court without complaining to the regulator first?

Yes, you can sue at any time without first using the insurer's complaint channel or the DGSFP. Those steps are only required if you want the DGSFP to take your complaint.

What happens to my regulator complaint if I start a lawsuit?

A pending lawsuit stops the DGSFP from processing your complaint on the same matter. Choose the route before you file, and say in the complaint that no court or arbitration case is open.

Do I need a lawyer to sue the insurer over a refused claim?

Yes, a lawyer and a court agent (procurador) are mandatory for claims above 2,000 euros. Smaller claims can be filed without them, court fees for individuals are generally exempt, and low-income readers can ask for free legal aid (justicia gratuita).

Need certainty before you act?

For important relocation decisions, speak with a qualified human specialist.

Consult with a human specialist

For decisions that depend on your own circumstances, a qualified human professional should look at your case. Tell us what you need help with and we will reply by email.

Always verify important information with the relevant official authority or a qualified adviser before acting. This website uses large language models together with various public data sources, official government documents and other established sources. Due to the amount of data on this website, some information might be wrong. Information may also be incomplete or outdated.

What matters to me

Tell us who you are and what you care about. Fit scores and rankings across the site follow your answers.