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Gastroenterology in Portland, ME

The federal NPI Registry lists 32 gastroenterologists with a practice address in Portland.

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Gastroenterologists in Portland

Alphabetical, from the federal NPI Registry (CMS), fetched 2026-11-06. Not a ranking or an endorsement; nobody pays to appear in this list. Confirm details with each office.

  • Douglas Howell, MD

    Internal Medicine, Gastroenterology

    161 Marginal Way · 04101

    207-773-7964

  • Fernando Calmet, MD

    Internal Medicine, Gastroenterology

    161 Marginal Way · 04101

    207-773-7964

  • John Erkkinen, MD

    Internal Medicine, Gastroenterology

    161 Marginal Way · 04101

    207-773-7964

  • Joshua Goldman, MD

    Internal Medicine, Gastroenterology

    161 Marginal Way · 04101

    207-773-7964

  • Luke Chmielecki, MD

    Internal Medicine, Gastroenterology

    22 Bramhall St · 04102

    207-283-7000

  • Matthew Grunwald, MD

    Internal Medicine, Gastroenterology

    161 Marginal Way · 04101

    207-773-7964

  • Newell Augur, MD

    Internal Medicine, Gastroenterology

    16 Chadwick St · 04102

    207-774-9223

  • Noemi Baffy, MD

    Internal Medicine, Gastroenterology

    161 Marginal Way · 04101

    207-773-7964

Plus 24 more registered in Portland. Search them all at npiregistry.cms.hhs.gov.

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Questions people ask

How many gastroenterologists practice in Portland?
The federal NPI Registry lists 32 gastroenterologists with a practice address in Portland. Source: CMS NPI Registry, practice-location addresses.
Can a practice sponsor the Gastroenterology page for Portland?
Yes. This page has 1 sponsor position, sold for a flat monthly fee and always labeled "Sponsored". Fees never depend on patients, calls or leads.

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