Michelle Terwilliger, PHARMD
Pharmacist · Webster City, IA
Michelle Terwilliger, PHARMD is a pharmacist with a practice address in Webster City, Iowa, and NPI 1366835936, issued on Mar 6, 2015. Check the license (Iowa 22267, as entered in NPPES) with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Michelle Terwilliger
- Credential
- PHARMD
- Primary taxonomy
- Pharmacist 183500000X
- License number
- 22267 IA
Self-reported in NPPES; status is on the state search - Practice location
- 909 Willson Ave, Webster City, IA 50595
- Phone
- (515) 832-4137
- Enumerated
- Mar 6, 2015
- Record last updated
- Mar 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (515) 832-3968
- Entity
- Type 1 · individual
Also registered at 909 Willson Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Krystal Bell, PHARM.D.Pharmacist1629410626
Verify Michelle Terwilliger in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this profession
Search for license 22267Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Most of these Medicare Part D claims are vaccines, 100% of the cost of the top drugs
23 Medicare Part D claims for 20 beneficiaries, against an average of 119 among the 28,524 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
Pharmacies often give vaccines under a standing order that names one clinician, and CMS counts every such claim under that clinician's NPI. These claims are therefore not a measure of this clinician's own prescribing.
- Shingrix20 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.
9 pharmacist records list a practice address in Webster City
They are 9 of the 106 NPPES records with a practice address in Webster City, and 3,179 pharmacist records in Iowa.
All 9 in Webster City → All 3,179 in Iowa → Every provider in Webster City →
Other pharmacist records in Iowa
- John Aagesen, RPHAmes, IA1851510887
- Angela Aarhus, PHARMDDes Moines, IA1639588510
- Mohamed AbbasDavenport, IA1619786928
- Tammy Abbas, RPHGarner, IA1982812442
- Mary Jo Abbott, RPHIowa City, IA1841325875
- Sherry Abbott, RPHBoone, IA1851257125
- Ahmed AbdelgadirIowa City, IA1033713896
- Salma AbdelrahmanIowa City, IA1558143966
- Amanda Abdulbaki, PHARMDDes Moines, IA1730720830
- Marla Aboujawdeh, PHARM.D.Mount Vernon, IA1164651147
Common questions
What is Michelle Terwilliger, PHARMD's NPI number?
Michelle Terwilliger, PHARMD's National Provider Identifier (NPI) is 1366835936, issued on Mar 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Michelle Terwilliger, PHARMD located?
The NPPES record lists a practice address at 909 Willson Ave, Webster City, IA, 50595. Phone: (515) 832-4137. Providers update this record themselves, so call before visiting.
How can I verify Michelle Terwilliger, PHARMD's license?
NPPES lists Iowa license number 22267, as entered by the provider. Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Michelle Terwilliger, PHARMD prescribe under Medicare Part D?
In 2024, Michelle Terwilliger, PHARMD had 23 Medicare Part D claims for 20 beneficiaries; the average among pharmacist prescribers was 119. Part D covers Medicare prescriptions 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. 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.