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Optimum Global international health insurance for expats in Africa

Optimum Global's Gem plan is an international medical product issued by a Guernsey insurer, with benefit guides in three currencies and a choice of inpatient and outpatient cover. IPMIAfrica explains how to read it from Africa and why it is not VUMI's similarly named plan.

Last updated: 15 October 2026 · Reviewed by IPMIAfrica
In short: Optimum Global's Gem plan is international health insurance issued by a Guernsey insurer, with benefit guides in US dollars, pounds sterling and euros and a choice of inpatient and outpatient cover with deductible, coinsurance and copayment cost sharing. It suits expats in Africa who want cover in a specific currency and the option of moratorium or CPME terms. It is unrelated to VUMI's Optimum VIP.
Key takeaways
  • The numeric limits come from the currency-specific Gem guide supplied with your quote, not a universal limit table.
  • Members must contact Optimum before planned inpatient or day-case treatment, and ideally within 24 hours of an emergency admission.
  • The document library includes a medical questionnaire, a CPME form and a moratorium guide, pointing to three underwriting routes.
  • Optimum's 14-working-day claims assessment figure is a target, not an observed average.
  • Area-of-cover options are not published, so ask at quote whether treatment outside your country of residence is covered.
ProductGem plan, with benefit guides in USD, GBP and EUR
CustomersIndividuals, families and groups living or working overseas
Cover optionsInpatient and outpatient options; cancer and evacuation within the selected benefit table
Cost sharingDeductible, coinsurance and copayment defined on the schedule
Underwriting documentsIndividual medical questionnaire · CPME · moratorium guide
IssuerOptimum Global Insurance Company Limited (Guernsey), with AXA PPP healthcare reinsurance

Which Optimum this page is about

Two products on IPMIAfrica carry the word Optimum, and they are unrelated. This page covers the Gem plan international private medical insurance (IPMI) from Optimum Global Insurance Company Limited. It is not VUMI's Optimum VIP, which is a specialty plan for specified chronic conditions and is covered on our VUMI Global page. When you compare quotes, check the issuer's name as well as the plan name.

The Gem plan is sold to individuals, families and groups living or working overseas, and its benefit guides are published separately in US dollars, pounds sterling and euros.

What the published specification covers

FeaturePublished position
Hospital coverInpatient and outpatient options; planned inpatient or day-case treatment requires contact in advance
CancerAvailable within the selected benefit table
Evacuation and repatriationAvailable within the selected benefit table
Cost sharingDeductible, coinsurance and copayment are defined on the schedule or benefit table
CurrencySeparate Gem benefit guides in USD, GBP and EUR

Optimum's current download library does not expose a single universal limit table in page text, so the numeric limits for your cover have to be read from the currency-specific guide supplied with your quote. That is the document to compare against another insurer's table of benefits, not a general description.

How to read a currency-specific benefit guide

Because the Gem plan is published as three guides rather than one, the first decision is currency. Pick the guide that matches the currency you earn or hold, since that is the currency your premium and your benefit limits will be expressed in. Then work through the guide in the order the plan is built: the inpatient core, whether you want the outpatient option, and the cost-sharing terms. The schedule defines three separate cost-sharing mechanisms, a deductible, coinsurance and a copayment, and each shifts the premium differently. Our cost guide for Africa explains how they interact, and our guide to inpatient versus outpatient cover helps you decide whether the outpatient option is worth adding.

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Claims and pre-authorisation

Underwriting routes and who stands behind the plan

Optimum's document library includes an individual medical questionnaire, a continued personal medical exclusions (CPME) form and a moratorium guide. Those three documents point to the underwriting routes available: full medical underwriting via the questionnaire, carrying across existing exclusions when switching insurer, and moratorium terms. Which route you are offered, and on what terms, is confirmed at quote. Our pre-existing conditions guide explains the difference between them in plain English.

The policy documentation identifies Optimum Global Insurance Company Limited, a Guernsey insurer, as the issuer and describes AXA PPP healthcare reinsurance. Optimum Global Limited is FCA-regulated for insurance mediation. Exact eligibility, area, limits, exclusions and underwriting depend on the current schedule and the Gem guide you choose.

Using Optimum Global from Africa

The material this page is based on does not publish Optimum's area-of-cover options, so readers in South Africa, Kenya, Nigeria, Ghana, Egypt, Morocco, Tanzania and Mauritius should ask at quote which area applies and whether it covers treatment outside the country of residence. That question matters most in countries where a complex diagnosis may mean travelling for care, and our guide to regional versus worldwide cover explains how to weigh it.

Evacuation and repatriation are available within the selected Gem benefit table. Check the limit and the conditions in the currency guide that applies to you before relying on the benefit. Our evacuation guide explains what the wording should include.

The three-currency structure is a practical advantage on the continent: a member paid in pounds or euros can hold cover in that currency, while a member paid in dollars can hold it in dollars, which keeps claims and premiums free of exchange friction. The pre-authorisation rule for planned admissions and the 24-hour emergency contact request are the two operational habits to adopt from day one. IPMIAfrica quotes Optimum Global alongside the rest of the market so the Gem plan's cost-sharing choices show as a real price difference.

Who Optimum Global suits

Optimum Global suits someone who wants an international plan in a specific currency, is comfortable reading a benefit guide to set their own balance of inpatient, outpatient and cost sharing, and values the option of moratorium or CPME terms when applying.

It is worth comparing alternatives if you want a published headline annual limit to compare at a glance, or a plan with a simpler tiered ladder. Browse all insurers we cover.

Frequently asked questions

Is Optimum Global the same as VUMI's Optimum VIP?
No. Optimum Global's Gem plan is issued by Optimum Global Insurance Company Limited, a Guernsey insurer. VUMI's Optimum VIP is a separate specialty plan for specified chronic conditions. Check the issuer's name on any quote.
Which currencies is the Gem plan available in?
Optimum Global publishes separate Gem benefit guides in US dollars, pounds sterling and euros. Choose the guide matching the currency you earn or hold, because your limits and premium are expressed in that currency.
What are the Gem plan's benefit limits?
The current document library does not expose one universal limit table in page text, so the numeric limits must be taken from the currency-specific guide supplied with your quote. Compare that guide against other insurers' tables of benefits.
What happens in an emergency?
The membership guide asks you to contact Optimum Global as soon as possible, ideally within 24 hours of admission. For planned inpatient or day-case treatment you must contact Optimum in advance. A Guarantee of Payment can allow direct settlement with the provider.
How does Optimum Global underwrite?
Its document library includes an individual medical questionnaire, a CPME form and a moratorium guide, so full medical underwriting, carried-across exclusions and moratorium terms are the routes to ask about. The terms you are offered are confirmed at quote.
How does IPMIAfrica compare Optimum Global?
Nomi quotes Optimum Global alongside more than twenty international insurers for your country in Africa and chosen currency, then ranks them on real price. IPMIAfrica charges no fee for the comparison, and an experienced adviser confirms the terms before you buy.

Optimum Global against the whole market

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This page is general information, not personal or medical advice, and is based on Optimum Global's official document library and membership guide dated 1 December 2024; exact terms, limits and underwriting are confirmed by the insurer at quote. Prices are indicative. No network total, named hospital partnership or average approval time is asserted. Optimum Global and related names and logos are the property of their respective owners.