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Emergency Medical Services (Emergency Medicine) in Gillette, Wyoming

Data updated monthly · Last refresh September 2026

3 Emergency Medical Services (Emergency Medicine) providers practice in Gillette. Listings are drawn from federal public records and are not endorsements.

Emergency Medical Services (Emergency Medicine) providers in Gillette

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. Deanna Lassegard, M.D.

Gillette, WY · No drug or device payments recorded (2025) · (307) 688-1000

Dr. Jason Perry, NRP

Gillette, WY · No drug or device payments recorded (2025) · (307) 688-1000

Dr. Jonathan Hayden, M. D.

Gillette, WY · No drug or device payments recorded (2025) · (307) 688-1415

Common questions

How many Emergency Medical Services (Emergency Medicine) providers are in Gillette, Wyoming?

There are 3 Emergency Medical Services (Emergency Medicine) providers with active NPI records practicing in Gillette, 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 Gillette Emergency Medical Services (Emergency Medicine) across Wyoming

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.