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Gastroenterology in Antioch, CA

The federal NPI Registry lists 7 gastroenterologists with a practice address in Antioch.

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Gastroenterologists in Antioch

Alphabetical, from the federal NPI Registry (CMS), fetched 2026-11-05. Not a ranking or an endorsement; nobody pays to appear in this list. Confirm details with each office.

  • Alex A. Aslan, Md, INC

    Internal Medicine, Gastroenterology · Practice / group

    3903 Lone Tree Way Suite 205 · 94509

    925-754-8710
  • Dennis Zai, MD

    Internal Medicine, Gastroenterology

    3903 Lone Tree Way Suite 205 · 94509

    925-754-8710
  • Dennis Zai, M.d., INC

    Internal Medicine, Gastroenterology · Practice / group

    3903 Lone Tree Way Suite 205 · 94509

    925-784-8710
  • Roshan Patel

    Internal Medicine, Gastroenterology

    4501 Sand Creek Rd · 94531

    925-295-4000
  • Simon Chan, MD

    Internal Medicine, Gastroenterology

    4501 Sand Creek Rd Dept. Of Gastroenterology - 2nd Floor · 94531

    925-813-3707
  • Varujan Arek Keledjian, Md, INC A Professional Corporation

    Internal Medicine, Gastroenterology · Practice / group

    3903 Lone Tree Way Ste 205 · 94509

    925-754-8710
  • Varun Takyar, MD

    Internal Medicine, Gastroenterology

    4053 Lone Tree Way Ste 201 · 94531

    925-776-7725

Questions people ask

How many gastroenterologists practice in Antioch?
The federal NPI Registry lists 7 gastroenterologists with a practice address in Antioch. Source: CMS NPI Registry, practice-location addresses.
Can a practice sponsor the Gastroenterology page for Antioch?
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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