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Emergency Medical Services Specialists in Wyoming

Data updated monthly · Last refresh October 2026

13 Emergency Medical Services (Emergency Medicine) providers practice in Wyoming. The largest concentration is in Jackson. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.

13providers
Jacksontop city

Emergency Medical Services (Emergency Medicine) by city in Wyoming

Choose a city to see providers there.

Emergency Medical Services (Emergency Medicine) in Jackson4 providers
Emergency Medical Services (Emergency Medicine) in Gillette3 providers
Emergency Medical Services (Emergency Medicine) in Rawlins2 providers
Emergency Medical Services (Emergency Medicine) in Casper1 providers
Emergency Medical Services (Emergency Medicine) in Wheatland1 providers
Emergency Medical Services (Emergency Medicine) in Powell1 providers
Emergency Medical Services (Emergency Medicine) in Newcastle1 providers

Where Emergency Medical Services Specialists in Wyoming practice

From CMS Medicare enrollment records covering 4 of the 13 providers listed here (31%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Emergency Medical Services SpecialistsAll clinicians in groupMain city
Teton County Hospital District3107Jackson

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingEmergency Medical Services Specialists affiliated
St Johns Medical CenterJacksonGovernment5 of 53

Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.

Emergency Medical Services (Emergency Medicine) providers in Wyoming

Listed by city, largest first. 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. Nathaniel Britt
Casper, WY · No drug or device payments recorded (2025) · (307) 315-8941
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
Dr. Albert Wheeler, MD
Jackson, WY · No drug or device payments recorded (2025) · (307) 733-3636
Dr. Jeffrey Greenbaum, MD
Jackson, WY · No drug or device payments recorded (2025) · (307) 733-3636
Dr. Richard Mckay, MD
Jackson, WY · No drug or device payments recorded (2025) · (307) 733-3636
Dr. William Smith, MD
Jackson, WY · $203 in drug and device payments (2025) · (307) 733-3636
Dr. Lynda Nelson, INTERMEDIATE EMT
Newcastle, WY · No drug or device payments recorded (2025) · (307) 746-2800
Dr. Ronald Orbin, D.O.
Powell, WY · No drug or device payments recorded (2025) · (307) 754-2267
Dr. Duane Abels, D.O.
Rawlins, WY · No drug or device payments recorded (2025) · (307) 324-2221
Dr. Gregory Johnson, MD
Rawlins, WY · No drug or device payments recorded (2025) · (307) 324-2221
Dr. Ty Battershell, M.D.
Wheatland, WY · No drug or device payments recorded (2025) · (307) 322-3636

Common questions

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

There are 13 Emergency Medical Services (Emergency Medicine) providers with active NPI records practicing in Wyoming, according to federal NPPES data refreshed monthly.

Which cities in Wyoming have the most Emergency Medical Services (Emergency Medicine) providers?

Jackson (4), Gillette (3), Rawlins (2) have the highest concentration of Emergency Medical Services (Emergency Medicine) providers in Wyoming.

Where does this data come from?

Provider counts and profiles 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.

Which hospitals do Emergency Medical Services Specialists in Wyoming work at?

According to CMS facility affiliation records, the Wyoming hospitals where the most Emergency Medical Services Specialists hold privileges are St Johns Medical Center in Jackson.

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Related

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. Are you a Emergency Medical Services (Emergency Medicine) in Wyoming? Get featured.