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Actuary

An actuary is a professional who specializes in analyzing financial risk and uncertainty, particularly in the fields of insurance, pensions, and investments. Actuaries use mathematics, statistics, and financial theory to calculate premiums, reserves, and probabilities of future events such as illness, disability, or death. Their work ensures that insurance plans remain financially stable and that companies can meet future claim obligations while staying competitively priced.

In health and dental insurance, actuaries determine the cost of coverage based on factors such as claim frequency, age demographics, inflation in healthcare costs, and plan design features like deductibles and maximums. They play a key role in setting renewal rates, designing sustainable benefit structures, and forecasting long-term financial performance for insurers and group plans.
Actuaries must balance fairness to policyholders with financial stability for the insurer, ensuring that premiums are sufficient to cover claims while remaining affordable for consumers.

Example:

When a health insurer reviews claim data and finds that prescription drug costs have increased by 8 percent over the past year, an actuary adjusts the premium rates accordingly to maintain the plan’s sustainability.

What to Watch For:

Actuaries base their projections on assumptions that can change over time due to medical advances, economic shifts, or regulatory updates. Understanding their role helps explain why premiums may rise even if individual claim history remains low.

Related Terms

Pharmacist

A pharmacist is a licensed healthcare professional who prepares, dispenses, and provides guidance on the safe and effective use of prescription and non-prescription medications. Pharmacists play a key role in ensuring that medications are used correctly, preventing harmful drug interactions, and advising patients on dosage, side effects, and storage. In many provinces, pharmacists also provide additional healthcare services such as administering vaccines, renewing prescriptions, and offering health consultations.

Treatment

Treatment refers to any medical, dental, or therapeutic care provided by a licensed healthcare professional to diagnose, manage, or improve a health condition, injury, or disease. In the context of insurance, treatment includes all services, procedures, medications, and interventions that are deemed medically necessary to restore or maintain health. It can range from routine doctor visits and prescription drug use to surgery, rehabilitation, and specialized therapies.

Physician

A physician is a licensed medical doctor who diagnoses, treats, and helps prevent illness, injury, and disease. Physicians play a central role in healthcare by providing medical assessments, prescribing medications, ordering diagnostic tests, and coordinating patient care with specialists or allied health professionals. In Canada, physicians are regulated by provincial colleges of physicians and surgeons to ensure professional standards and ethical medical practice.

Prior Authorization

Prior authorization is the process through which an insurer reviews and approves certain medical treatments, procedures, or prescription drugs before they are performed or dispensed. It ensures that the recommended care is medically necessary, appropriate, and covered under the policy before expenses are incurred. Prior authorization helps manage costs and ensures the use of safe, evidence-based treatments that align with clinical guidelines.

Advisor/Agent

An advisor or agent is a licensed professional who helps individuals and businesses understand, choose, and manage insurance and financial products. In the context of health, dental, life, and disability insurance, an advisor’s role is to assess a client’s needs, explain plan options, and recommend solutions that provide appropriate protection within their budget.

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