Stephen E Baum, MD

Gastroenterology

Billings, MT

Specialty

Gastroenterology

Credential

NPI

1083650485

Affiliated Facility

Yellowstone Surgery Center Llc

1144 N. 28th St., Billings, MT 59101

(406) 237-5900

Medicare★ 3.8 Google (42)96% Patient Rating

View Facility Profile

About this profile: Surgeon information is sourced from the CMS National Plan and Provider Enumeration System (NPPES) NPI Registry and reflects the practice address on file as of February 2026. Facility affiliation is based on matching practice address to CMS-certified ambulatory surgery center locations.

Verify on NPI Registry

Confirm current license and practice information on the official CMS NPI registry.

View NPI Record

Gastroenterology

This surgeon specializes in gastroenterology procedures performed in an outpatient ambulatory surgical setting.

NUCC Taxonomy: 207RG0100X

Affiliated Surgery Center

Yellowstone Surgery Center Llc

View quality scores & reviews →