Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Deanna Lee Lassegard, MD

Individual provider Emergency Medicine Physician · NPI 1639558653

Dr. Deanna Lee Lassegard, MD is an Emergency Medicine in Gillette, Wyoming. Qualified in 2015, 11 years ago. Practices with Monument Health Network Inc, a 164-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in North Carolina and Wyoming.

Years since qualifying
11
Licensed in
NC, WY
In the registry since
2015
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

501 S Burma Ave
Gillette, WY 82716-3426
Phone: (307) 688-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 353 Fairmont Blvd, Rapid City, SD 57701-7375 — (866) 765-0909

Specialties & licences

Emergency Medical Services (Emergency Medicine) Physician (primary) Taxonomy 207PE0004X · Licence 11456A (WY)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 2017-01326 (NC)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1639558653
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 22, 2015
Last updated in NPPESNovember 21, 2019

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolOTHER
Graduated 2015 (11 years in practice)
Group practice Monument Health Network Inc — 164 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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