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Author

Maria Donnelly

8 explainers, newest first

In short

Maria untangles the math of deductibles, copays, coinsurance, and out-of-pocket maximums, showing how they interact instead of just defining them one by one. She likes to walk through real bill scenarios step by step so the numbers stop feeling random.

  1. Plan Basics

    PPO vs EPO: What Changes When You Need a Specialist

    PPOs and EPOs look similar on paper but handle specialist visits very differently.

    6 min read

  2. Costs & Cost-Sharing

    Why Your Copay Changed Partway Through the Year

    A copay that suddenly looks different usually points to a deductible, tier, or plan-year reset.

    7 min read

  3. Costs & Cost-Sharing

    Why Two Visits to the Same Doctor Can Cost Different Amounts

    Identical-seeming appointments can be billed differently depending on coding, timing, and deductible status.

    6 min read

  4. Bills & Paperwork

    Reading CPT and Diagnosis Codes Without a Medical Dictionary

    You don't need medical training to understand what the codes on your bill are describing.

    7 min read

  5. Networks & Referrals

    What Prior Authorization Actually Checks Before You Get Care

    Prior authorization isn't just a hurdle, it's a specific review process with its own rules and timeline.

    6 min read

  6. Everyday Coverage

    Urgent Care or ER: How Your Plan Pays for Each One Differently

    The same symptom can lead to very different bills depending on which door you walk through.

    7 min read

  7. Everyday Coverage

    How Telehealth Visits Are Billed Under Most Employer Plans

    Telehealth copays and coverage rules don't always match in-person visit rules, even on the same plan.

    7 min read

  8. Claims & Appeals

    Writing an Internal Appeal Letter That Actually Gets Read

    A clear, well-organized appeal letter gives your claim the best chance of being reconsidered.

    7 min read