Deanna Lee Lassegard, M.D.
Emergency Medical Services (Emergency Medicine) Physician · Gillette, WY
Deanna Lee Lassegard, M.D. is an emergency medical services (emergency medicine) physician with a practice address in Gillette, Wyoming, and NPI 1639558653, issued on May 22, 2015. Check the license (Wyoming 11456A, as entered in NPPES) on the Wyoming Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Deanna Lee Lassegard
- Credential
- M.D.
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License numbers
- 11456A WY
2017-01326 NC
Self-reported in NPPES; status is on the state search - Practice location
- 501 S Burma Ave, Gillette, WY 82716
- Phone
- (307) 688-1000
- Enumerated
- May 22, 2015
- Record last updated
- Nov 21, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20190430000682); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 501 S Burma Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brent Allen, CRNACertified Registered Nurse Anesthetist1811573173
- Gwen Andrews, PSSPeer Specialist1639649072
- Brian Austin, C.R.N.A.Certified Registered Nurse Anesthetist1114016193
- Attila Barabas, M.D.Specialist1285679670
- Edward Bergin, MD, MSInternal Medicine Physician1982100988
- Judith Boyle, M.D.Hospitalist Physician1124062310
Verify Deanna Lee Lassegard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWyoming Board of Medicine
Search for license 11456ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
40% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
174 Medicare Part D claims for 113 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 24 claims were for opioids.
Most prescribed
- Cephalexin20 claims
- Hydrocodone-Acetaminophen15 claims
- Hydrochlorothiazide14 claims
- Eliquis13 claims
- Ondansetron Odt12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 97.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Monument Health Network IncDeadwood, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Wyoming
There are 12 emergency medical services (emergency medicine) physician records in Wyoming.
Other emergency medical services (emergency medicine) physician records in Wyoming
- Duane Abels, D.O.Rawlins, WY1700945789
- Ty Battershell, M.D.Wheatland, WY1518987379
- Jeffrey Greenbaum, MDJackson, WY1649383001
- Jonathan Hayden, M. D.Gillette, WY1841242807
- Gregory Johnson, MDRawlins, WY1467565754
- Richard McKay, MDJackson, WY1033225354
- Lynda Nelson, INTERMEDIATE EMTNewcastle, WY1285293043
- Ronald Orbin, D.O.Powell, WY1114916087
- Jason Perry, NRPGillette, WY1417710351
- William Smith, MDJackson, WY1003922360
Common questions
What is Deanna Lee Lassegard, M.D.'s NPI number?
Deanna Lee Lassegard, M.D.'s National Provider Identifier (NPI) is 1639558653, issued on May 22, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Deanna Lee Lassegard, M.D. located?
The NPPES record lists a practice address at 501 S Burma Ave, Gillette, WY, 82716. Phone: (307) 688-1000. Providers update this record themselves, so call before visiting.
How can I verify Deanna Lee Lassegard, M.D.'s license?
NPPES lists Wyoming license number 11456A, as entered by the provider. Search the Wyoming Board of Medicine at https://wyomedboard.wyo.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Deanna Lee Lassegard, M.D. prescribe under Medicare Part D?
In 2024, Deanna Lee Lassegard, M.D. had 174 Medicare Part D claims for 113 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
What is Deanna Lee Lassegard, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.