Mark Marilley, MD

Gastroenterology

21+ years in practiceNPI: 1407852353Licensed in COLicensed in ORLicensed in NCLicensed in PALicensed in WVLicensed in NDLicensed in GALicensed in FL

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Credentials & Recognition

Specialties

Gastroenterology

NPI sub-specialties

Internal Medicine, Gastroenterology207RG0100X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#17

Top Gastroenterologists in South Dakota, 2026

Gastroenterology · South Dakota · 2026

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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