Dr. Thomas Onstad M.D.
About this NPIWhat this record shows.
NPI 1639155773 is registered to Dr. Thomas Onstad M.D., a Specialist practising at 923 Country Club Rd, Suite 100 in Eugene, Oregon. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Thomas Onstad M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
- 141481OR
Source: NPPES public registry.
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. Thomas Onstad M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Thomas Onstad M.D. directly at (541) 343-1629.
Frequently asked
Yes. NPI 1639155773 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (541) 343-1629.
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. Thomas Onstad M.D. is a Type-1 individual NPI.