Gary Willershausen
Pharmacotherapy Pharmacist · Marysville, MI
Gary Willershausen is a pharmacotherapy pharmacist with a practice address in Marysville, Michigan, and NPI 1033529441, issued on May 7, 2014. Check the license (Michigan 5302026972, as entered in NPPES) with the Michigan board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gary Willershausen
- Primary taxonomy
- Pharmacotherapy Pharmacist 1835P1200X
- License number
- 5302026972 MI
Self-reported in NPPES; status is on the state search - Practice location
- 205 S Range RD, Marysville, MI 48040
- Phone
- (810) 388-9633
- Enumerated
- May 7, 2014
- Record last updated
- May 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (810) 388-9665
- Entity
- Type 1 · individual
Also registered at 205 S Range RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Maya AbdullahPharmacist1003332735
- Sharla ConfortiPharmacist1013327675
- Andrea CurtissPharmacist1578119590
- Ian Kempisty, PHARMD, RPHPharmacist1275900045
- Marissa Minard, PHARMDPharmacist1457761421
- Jill ZiehmPharmacotherapy Pharmacist1578971404
Verify Gary Willershausen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Michigan board licenses this profession
Search for license 5302026972Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Pharmacotherapy Pharmacist providers in Michigan
There are 357 pharmacotherapy pharmacist records in Michigan. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other pharmacotherapy pharmacist records in Michigan
- Rachel AbalosSouthfield, MI1942611108
- Ra'Id Abed, RPHWoodhaven, MI1194135020
- Petra Abram, PHARMDFremont, MI1518236421
- Brenda Adamczak, RPHMuskegon, MI1528478161
- Carole AdamsDetroit, MI1821192287
- Rick AdkinsAuburn Hills, MI1871903294
- Mario Aiosa, R.PH.Roseville, MI1700296662
- Waqas Akhtar, PHARMDKalamazoo, MI1063823698
- Gay Alcenius, PHARM D, RPHJackson, MI1568542355
- Susan Almeda, PHARMDKawkawlin, MI1710397344
Common questions
What is Gary Willershausen's NPI number?
Gary Willershausen's National Provider Identifier (NPI) is 1033529441, issued on May 7, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Gary Willershausen located?
The NPPES record lists a practice address at 205 S Range RD, Marysville, MI, 48040. Phone: (810) 388-9633. Providers update this record themselves, so call before visiting.
How can I verify Gary Willershausen's license?
NPPES lists Michigan license number 5302026972, as entered by the provider. Search the Michigan board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.