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Portland Gastroenterology Center

Portland Gastroenterology Center

161 Marginal Way • Portland, Maine 04101 • 207-773-7964
  • Patient Portal
  • Make A Payment
  • Careers
  • About PGC
    • Physicians & Staff
    • Disorders Treated
    • Endoscopy Center
    • Recognized Leadership
    • Careers
    • Location and Hours
  • Colonoscopy
    • Colon Cancer Screening
    • What to Expect
    • Colonoscopy FAQ
  • Upper Endoscopy (EGD)
  • Prep Instructions
    • Colonoscopy Prep FAQ
    • Standard MiraLAX Prep
    • Extended MiraLAX prep
    • Standard GoLYTELY® Prep
    • Upper Endoscopy Prep
  • Patient Resources
    • Appointment Policy
    • Patient Forms
    • Billing & Payments
    • Make A Payment
    • Medication Refills
  • Contact

Helping You Manage Your Gastrointestinal Health

The Portland Gastroenterology Center is Maine’s largest, most comprehensive source for digestive care. Our Board-certified gastroenterologists perform dozens of screenings and procedures daily and help manage the entire range of gastrointestinal and liver disorders in our state-of-the art endoscopy center.

Prep Instructions

Your PGC physician will assign a preparation procedure unique to you. Follow these instructions explicitly to ensure your colonoscopy’s success, and avoid the risk of needing to reschedule.

Prep Instructions

Why Colon Screening is So Important

Colon cancer is the second leading cause of cancer deaths in the US, and its rates are rising. However, with early screening, beginning at age 45 (or younger depending on family history), the disease is highly treatable cutting your risk by up to 90 percent.

More About Colonoscopy

Make A Payment

Use our payment portal to securely pay your Portland Gastroenterology Associates or Portland Endoscopy Center billing statement.

Payment Portal

Register for the PGC Patient Portal

To ensure your best possible experience, Portland Gastroenterology’s Patient portal enables you to request appointments, see lab results, message staff, and update your personal medical information.

Patient Portal

PGC News & Info

Have Questions About Your Colonoscopy Prep?

  • I have to work until 4pm the day before my colonoscopy, can I start prepping then?
  • I ate nuts or seeds less than a week prior to my procedure, is that ok?
COLONOSCOPY PREP FAQ

Regarding Availability and Scheduling

Even as the largest Gastroenterology practice in Maine, we're still challenged with meeting patient demand. Therefore, it's essential to submit all necessary paperwork and follow all preparation procedures before treatment.Read More

Magnesium Citrate Saline Shortage (Why it matters to you)

Due to increased demand and ongoing supply chain disruptions, there is currently a shortage of magnesium citrate. We recommend that you order your prep materials as early as possible to ensure you have everything you need. If you are unable to obtain magnesium citrate, please contact our office for assistance.Read More

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  • About PGC
  • Colonoscopy
  • Upper Endoscopy (EGD)
  • Prep Instructions
  • Patient Resources
  • Patient Portal
  • Make A Payment
  • Careers

Portland Gastroenterology Center • 161 Marginal Way • Portland, Maine 04101 • phone: 207-773-7964 • fax: 207-773-9073
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