NPI
Gastroenterologists in Billings, MT
8 gastroenterologists in Billings, MT in the October 12, 2026 NPPES file, by primary taxonomy (Internal Medicine, Gastroenterology). Each row shows the credential, practice address, phone, and NPI.
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Every provider listed as Internal Medicine, Gastroenterology near your ZIP
Active individuals and group practices from the NPI registry, grouped by practice address, as a spreadsheet.
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Gastroenterologists in Billings
1 to 8 of 8
- 1083650485Stephen Baum, MD · 1144 N 28th St, Suite C, Billings MT 59101 · Phone (406) 238-6380 · Fax (406) 238-6399
- 1225061773Billings Gastrointestinal Associates, Pllp · 1144 N 28th St, Suite C, Billings MT 59101 · Phone (406) 238-6380 · Fax (406) 238-6399
- 1710098579Michael Fischer, MD · 801 N 29th St, Billings MT 59101 · Phone (406) 238-2500
- 1588766117Steven Hammond, MD · 801 N 29th St, Billings MT 59101 · Phone (406) 238-2500
- 1528095155Keri Hill, MD · 801 N 29th St, Billings MT 59101 · Phone (406) 238-2500
- 1821013756Thomas Korb, M.D. · 2900 12th Ave N, Suite 500e, Billings MT 59101 · Phone (406) 238-6380 · Fax (406) 238-6399
- 1437122694Christopher McNeill, MD · 2900 12th Ave N, Suite 500east, Billings MT 59101 · Phone (406) 238-6380 · Fax (406) 238-6399
- 1699858340Mark Rumans, MD · 2825 8th Ave N, Billings MT 59101 · Phone (406) 238-2500
Related
Questions
How many gastroenterologists are in Billings, MT?
8 active NPI records in the October 12, 2026 NPPES file list Internal Medicine, Gastroenterology as their primary taxonomy and a practice location in Billings, MT.
How do I check a provider's NPI number?
Open the NPI number on a row. The record page shows the NPI, status, practice address, phone, specialties, and licenses as NPPES lists them.
Does this list show insurance or network status?
No. NPPES does not publish insurance or network status. This page lists public registry records only.
Source: NPPES NPI Registry, data as of October 12, 2026. Last updated October 12, 2026. How we source data. Corrections: hello@rivvi.ai.