Gary Willershausen
About this NPIWhat this record shows.
NPI 1033529441 is registered to Gary Willershausen, a Pharmacotherapy Pharmacist practising at 205 S Range Rd in Marysville, Michigan. Pharmacotherapy Pharmacist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Gary Willershausen has been enumerated in the National Provider Identifier (NPI) registry since 2014.
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 Gary Willershausen accepts. To confirm in-network status with your specific health plan, contact Gary Willershausen directly at (810) 388-9633.
Frequently asked
Yes. NPI 1033529441 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pharmacotherapy Pharmacist 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 (810) 388-9633.
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. Gary Willershausen is a Type-1 individual NPI.