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Marc Guieb, PharmD, RPh

San Diego, CA, US

Tel: +1 858 2511389

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Professional Designations

  • Member, American Pharmacists Association (APhA)


  • PharmD, Ernest Mario School of Pharmacy, Rutgers University

Current Responsibility

Marc Guieb is a consultant with the San Diego office of Milliman. He joined the firm in 2018 and has been working in the pharmacy industry since 2013.


Marc has experience in the pharmacy industry working in medical writing and at a national retail pharmacy chain. He has conducted competitive surveillance for industry clients, with specialization in Diabetes, Obesity, and Haemostasis, and staffed at a high volume pharmacy. As a consultant for Milliman, he has worked in both Medicaid and commercial pharmacy benefits contracting and in claims auditing. Marc supports clients through his knowledge of pharmacy operations, regulations, formulary management, clinical trial evaluation, drug utilization review, and pipeline forecasting.

  • Work at Milliman

    • “I was offered a chance to come in, shake things up, create something."
    Work at Milliman