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Emergency Medicine in Trinidad, Colorado

Data updated monthly · Last refresh September 2026

1 Emergency Medicine providers practice in Trinidad. Listings are drawn from federal public records and are not endorsements.

Emergency Medicine providers in Trinidad

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. William Greiser, MD
Trinidad, CO · No drug or device payments recorded (2025) · (800) 893-9698

Common questions

How many Emergency Medicine providers are in Trinidad, Colorado?

There are 1 Emergency Medicine providers with active NPI records practicing in Trinidad, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Trinidad Emergency Medicine across Colorado

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.