Dr. Deanna Lassegard M.D.
About this NPIWhat this record shows.
NPI 1639558653 is registered to Dr. Deanna Lassegard M.D., a Emergency Medical Services (Emergency Medicine) Physician practising at 501 S Burma Ave in Gillette, Wyoming. Emergency Medical Services (Emergency Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Deanna Lassegard M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2015.
Medicare enrollment
This provider holds 2 Medicare enrollments on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20180914000767Emergency MedicineWY
- I20190430000682Emergency MedicineSD
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Dr. Deanna Lassegard M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Deanna Lassegard M.D. directly at (307) 688-1000.
Frequently asked
Yes. NPI 1639558653 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Emergency Medical Services (Emergency Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (307) 688-1000.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Dr. Deanna Lassegard M.D. is a Type-1 individual NPI.