Switching Private Health Insurers: Is It Worth It?

Switching to an external private health insurer is possible, but it often comes with financial drawbacks. For contracts dating back to 2009, part of the aging reserves can be carried over as a transfer value. Older reserves, however, are forfeited. In addition, the new insurer requires a full health check, which can lead to risk loadings if you have pre-existing conditions. An internal tariff switch with your existing insurer is usually the more economical alternative.

Basics of switching private health insurance

Legal classification of the switch

The basics of switching private health insurance require a precise legal classification and a deep understanding of contract mechanics. An external switch means fully terminating the existing contract and taking out a completely new one with a different insurance company. This step differs fundamentally from an internal tariff switch under Section 204 of the German Insurance Contract Act (Versicherungsvertragsgesetz, VVG), where the customer stays with their current insurer. Policyholders usually only consider this drastic step once their health insurance premium has risen sharply over the years or the covered benefits no longer match their current standard of living. The risk is high. The decision requires a detailed analysis of the individual contract history, since mistakes here can cause irreversible financial damage. A hasty termination often leads to massive losses of capital. Brokers regularly warn against rash moves in this area. The legal hurdles are deliberately set high to protect consumers from ill-considered decisions.

Why the conclusion date matters

A key factor in this legal and financial analysis is the exact original conclusion date of the contract. For contracts signed before January 1, 2009, fundamentally different and significantly more restrictive rules apply to carrying over accumulated capital values than for newer contracts. With the major health reform of 2009, the legislature introduced the partial portability of aging reserves in order to strengthen competition among providers and reduce barriers to switching. Even so, an external switch remains a highly complex process that cannot be compared to switching a simple car insurance policy. It requires careful planning. The termination of the old contract only becomes legally effective once uninterrupted follow-on coverage with the new company has been conclusively proven. Without this proof, the policyholder risks the immediate loss of insurance cover. Insurers exchange standardized certificates of follow-on insurance for this purpose.

Biometric data and entry age

Alongside the strict legal framework, the policyholder's biometric data plays an absolutely decisive role in the new calculation. The entry age is necessarily recalculated by the new provider. Anyone who originally joined PKV at age thirty and now wants to switch at forty-five will inevitably be treated as a forty-five-year-old new customer by the new insurer. Viewed in isolation, this biometric reclassification leads to a significantly higher base premium, since there is much less time left to build up new aging reserves. This makes the contract more expensive. The financial advantage of a more modern tariff must therefore necessarily outweigh this age-related premium increase. A precise mathematical comparison of the tariffs is essential here. Life expectancy and statistical illness risk rise exponentially with every year of age.

Transfer value and aging reserves when switching providers

Definition of the transfer value

The transfer value largely — and often solely — determines whether switching providers is financially worthwhile at all. This value quantifies the exact financial share of the aging reserves paid in so far that can actually be carried over when switching to a new insurance company [1]. Private health insurers are legally required to calculate this value annually for their policyholders and disclose it transparently in the account statements [2]. It forms the indispensable financial foundation for premium stability in old age with the new insurer. This protection is essential. Without this legally enshrined carry-over, switching would in most cases lead to completely uncalculable premium jumps during retirement. The transfer value thus acts as a kind of financial backpack that the policyholder takes along to their new company. The exact amount varies depending on the contract term to date and the tariff.

How the capital is composed

The exact mathematical composition of this value is strictly regulated by law and is often a disappointment for customers wanting to switch. The transfer value primarily consists of the statutory ten-percent surcharge and the aging reserves corresponding to the industry-wide basic tariff (Basistarif) [3]. This has far-reaching consequences. In practice, this means: not the entire accumulated reserves of the individual comfort tariff are transferred, but only the portion corresponding to the basic benefits. The reserves beyond that, often considerable, remain irrevocably with the old insurer and are completely lost to the switching customer. This represents a significant financial loss that must be factored into the cost-benefit calculation. The statutory ten-percent surcharge is explicitly intended to dampen premium increases from age sixty-five onward.

Cut-off date rule and mandatory long-term care

An extremely important distinction concerns the historical conclusion date of the contract. For contracts concluded before the historical cut-off date of 2009, only the reserves built up since 2009 are transferred when switching to another provider, while all older savings are completely and irrevocably lost [4]. By contrast, the statutory ten-percent premium surcharge for stabilizing premiums in old age, as well as the aging reserves of mandatory private long-term care insurance (private Pflegepflichtversicherung), can always be carried over in full when switching [1]. These complex details require careful review. An actuarial analysis before any termination is therefore absolutely essential. Long-term care insurance is a positive exception here, since its reserves remain fully portable.

The exact amount of the transfer value must be requested from the current insurer.

Health check and medical risks when starting over

Full risk assessment

The health check is by far the biggest and most unpredictable hurdle when starting over with a different company. Every externally executed switch requires a complete, gapless, and absolutely truthful answering of the new provider's detailed health questions. All diagnoses, outpatient and inpatient treatments, operations, and even seemingly harmless complaints from the past three to ten years must be disclosed. Unlike an internal tariff switch, where a check only applies to additional tariff benefits [5], here the entire medical risk is reassessed from scratch. The risk is enormous. Undisclosed pre-existing conditions can later lead to a complete loss of cover due to breach of the pre-contractual duty of disclosure. Insurers check very carefully when a claim is made.

Risk loadings and rejections

In practice, the strict risk assessment very often leads to considerable difficulties in getting the contract accepted. The risk is high. If new illnesses or signs of wear and tear have appeared in the years since the very first PKV contract was taken out, insurers inevitably respond with significant risk loadings or far-reaching exclusions of benefits. A medically justified risk loading of twenty or even thirty percent on the monthly base premium can immediately and permanently wipe out the hoped-for financial advantage of switching. In serious cases, such as chronic metabolic disorders, cardiovascular problems, or ongoing psychotherapy, the new companies simply reject the application outright. A rejection is often noted in internal databases.

How routine treatments are assessed

Even seemingly completely harmless diagnoses or routine check-ups can have far-reaching negative consequences for contract acceptance. Hay fever, mild temporary back pain, or a treatment merely recommended by the dentist but not yet started are meticulously analyzed by the companies' strict risk assessors. Anyone who places great value on benefits such as laser eye surgery, for example, must absolutely check whether existing vision problems will be classified by the new insurer as a pre-existing condition and excluded from cover. An anonymous risk pre-check through a specialized broker is therefore essential. This is the only way to avoid unpleasant surprises when applying. Insurers often assess identical diagnoses very differently.

Financial drawbacks and hidden costs of switching

Recalculating the entry age

The financial drawbacks of switching often go, in reality, far beyond the mere loss of aging reserves. A key, often underestimated factor is the newly calculated entry age at the new company. Since premium calculation in private health insurance depends heavily on the exact age at the start of the contract, switching at forty inevitably leads to a much higher base calculation than taking out a contract at thirty. This purely age-related premium jump must be fully cushioned by the transfer value brought along. If this value is not sufficient, the policyholder risks significantly higher monthly costs long-term, well into old age. The mathematics of compound interest works against the switcher here. Every month of lost savings time costs real money.

Waiting periods and dental fee scales

Another painful cost factor concerns the contractual waiting periods and the tariff-based dental fee scales (Zahnstaffeln) that apply when starting a new contract. This can get expensive. New contracts generally provide for general waiting periods of three months and special waiting periods of eight months for childbirth, psychotherapy, and high-value dental prosthetics. In addition, the tariff-based caps on reimbursement for dental treatment, the so-called dental fee scale, inevitably start again from zero. In the first three to five years after switching, reimbursements for expensive dental prosthetics are therefore heavily capped, meaning that ongoing or planned treatments largely have to be paid out of pocket. Waiting periods can only be waived with medical certificates.

Additional modules and the overall concept

Significant financial pitfalls also lurk in the essential supplementary modules. Adjusting daily sickness benefit (Krankentagegeld) to match current net income also requires a new, strict health check with the new provider. If pre-existing conditions are present here, the income-protecting daily sickness benefit becomes noticeably more expensive or, in the worst case, is no longer insurable at the desired level at all. Even with seemingly unrelated products such as an Airbnb landlord policy, advisory practice shows that isolated contract decisions are often more expensive than well-coordinated overall concepts. A holistic view of your coverage is essential. Looking at the health insurance premium in isolation falls strategically short. All the building blocks need to work together.

Key financial risks when switching PKV

• Loss of aging reserves that exceed the basic level.
• Higher base premium due to the increased entry age.
• Possible risk loadings due to newly arisen pre-existing conditions.
• Tariff-based dental fee scales and reimbursement limits starting over.
• Renewed waiting periods for certain medical services.

These factors must be weighed against the premium savings of the new tariff.

The internal tariff switch as a legal alternative

Legal entitlement under Section 204 VVG

An internal tariff switch offers a legally enshrined, often superior alternative to a full change of provider. Under Section 204 of the German Insurance Contract Act, policyholders have the unconditional right to switch at any time into other tariffs with equivalent coverage offered by their existing insurer. This legal entitlement is an extremely powerful tool for sustainably reducing premiums. The decisive, unbeatable advantage lies in fully retaining all aging reserves accumulated so far. Not a single cent of capital is lost to the insured community, which massively and reliably supports long-term premium stability in old age. Insurers are legally barred from refusing this switch. Even with serious pre-existing conditions, the right to switch to a cheaper tariff remains intact.

Simplified health check

The statutory rules on health checks are considerably more customer-friendly and safer for an internal switch. If the new tariff offers better benefits than the old one during an internal switch, the insurer may only require a health check for these specific additional benefits [5]. However, the policyholder always has the legal option of agreeing to a benefit exclusion for exactly these additional benefits. In that case, the health check is dropped entirely. The previous level of benefits therefore remains fully intact, without any risk loadings, even in the event of newly arisen, serious illnesses. This is a huge advantage. Nobody needs to worry about jeopardizing their coverage through an internal switch.

Strategic tariff combinations

In hard practice, however, many insurers try to make internal switches to cheaper, modern tariffs more difficult, or instead proactively offer only unattractive standard tariffs. This is where persistent negotiation or bringing in an independent advisor is urgently needed. By cleverly combining building blocks — for example by skillfully integrating outpatient supplementary insurance into the new tariff structure — tailored and highly efficient solutions can often be found. The monthly savings on older contracts can easily amount to several hundred euros, without having to change companies at all. A broker knows the insurers' hidden tariffs. These tariffs are often not actively advertised.

Deadlines and the termination process with the previous insurer

Ordinary notice periods

The deadlines for terminating a contract with the previous insurer are strictly regulated by law and, in practice, allow for no exceptions or leniency whatsoever. Ordinary termination of private health insurance is generally only possible at the end of the respective insurance year, with a fixed notice period of three months. For most companies, the insurance year corresponds to the regular calendar year, so written notice of termination must reach the insurer in the proper form no later than September 30. Every day counts. A late delivery, even by just one day, inevitably extends the contract for another full year. Registered mail with return receipt is the safest method of sending it.

Special right of termination on premium increases

An important special right of termination exists, however, in the event of an announced premium increase. If the insurer raises the monthly premiums, the contract can be terminated within exactly two months of receiving the official notice of change. The termination then takes effect exactly at the point in time when the premium increase would take effect. In practice, this special right of termination is very often the primary trigger for a switch. Even so, the termination must never be rushed. First, the legally binding confirmation of acceptance from the new insurer must be in hand. Without this confirmation, the policyholder exposes themselves to an incalculable risk.

Proof of follow-on insurance

The legislature has built a strong protective mechanism into the system to prevent dangerous gaps in coverage for citizens. Termination of substitutive health insurance only becomes legally effective once the policyholder provides seamless proof that coverage exists with a new company. This proof, the so-called certificate of follow-on insurance, must be submitted to the old insurer within two months of the termination notice. The deadline is strict. If this does not succeed — for example because the new provider unexpectedly rejects the application after the health check — the termination is deemed not to have taken place. The old contract then simply continues under the previous terms.

Criteria for choosing a new PKV

Financial strength and premium stability

The criteria for choosing a new PKV must go far beyond the pure, often deceptive entry premium when switching. A seemingly extremely cheap teaser tariff often turns out to be a cost trap within a few years, especially if the company does not have sufficient financial strength. Important, objectively measurable metrics are the RfB ratio (reserve for premium refunds), the administrative cost ratio, and the company's long-term claims ratio. These balance-sheet figures give reliable insight into how stable premiums are likely to remain in the future. A solid company calculates conservatively. High reserves for premium refunds indicate a healthy risk pool and a sustainable business policy.

Quality of the insurance terms

The detailed contractual insurance terms form the unshakeable legal foundation of your future healthcare coverage. An open-ended list of covered medical aids (Hilfsmittelkatalog) is an absolutely decisive quality feature here. It contractually guarantees that even future medical innovations and devices, completely unknown today, will be reimbursed. Equally important are crystal-clear rules on covering transport costs, hospice care, and inpatient rehabilitation measures. A tariff that excludes so-called mixed institutions (gemischte Anstalten) for inpatient treatment, or that requires strict prior authorization here, can lead to considerable out-of-pocket costs in an emergency. The fine print determines the actual strength of coverage in the event of illness.

Flexibility and option rights

The lifelong flexibility of the tariff structure is another key aspect when choosing a policy. Life changes, both professionally and privately, and health insurance needs to be able to adapt to these phases. Flexibility is crucial. Option rights to increase coverage without a new health check are especially valuable for young policyholders. The contractually guaranteed ability to flexibly adjust the deductible, or to temporarily switch to a cheaper tariff during unemployment, is also a hallmark of truly high-quality products. nextsure analyzes these complex sets of terms in detail and filters out tariffs that offer reliable protection. A rigid tariff with no options for adjustment is a major long-term risk.

Strategic decision-making and professional advice

Role of the independent broker

Decision-making when switching private health insurance is a highly complex strategic process that requires deep expertise. The sheer number of tariffs, the often opaque insurance terms, and the far-reaching financial consequences make going it alone extremely risky for laypeople. An independent insurance broker, officially licensed under Section 34d of the German Trade Regulation Act (Gewerbeordnung), is legally required to represent solely the customer's interests, not those of the insurance company. That is the decisive advantage. This independence is essential for making a truly objective comparison between an internal tariff switch and an external change of provider. The broker is also liable for their advisory recommendations.

Anonymous risk pre-check

The professional advisory process always begins with a thorough needs analysis and meticulous review of the medical history. Before even a single application is submitted, the medical records from treating physicians over recent years must be requested. This is crucial. Only on the basis of this thoroughly reliable data can an anonymous risk pre-check be carried out with various companies. This approach effectively protects the policyholder from being entered into the insurance industry's information and notification system, the so-called blacklist, which would threaten in the event of an official rejection. Clean preparation of the health data is the key to success.

nextsure's digital approach

nextsure positions itself in this demanding process as a digital, transparent, and highly competent partner. Instead of a confusing grab-bag of mediocre tariffs, nextsure delivers handpicked recommendations tailored exactly to the individual's life situation. The intelligent combination of digital comparison and personal expert advice ensures that everything from the transfer value to the dental fee scale is taken into account. This builds trust. The overarching goal is not a quick sale, but establishing sustainable health coverage that provides financial security. Customers benefit from a clear, data-driven analysis with no hidden costs.