Benjamin Trewyn
Physician Assistant · Davenport, IA
Benjamin Trewyn is a physician assistant with a practice address in Davenport, Iowa, and NPI 1558977165, issued on Sep 18, 2020. Check the license with the Iowa board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Benjamin Trewyn
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 518 W Locust St, Davenport, IA 52803
- Phone
- (563) 320-3169
- Enumerated
- Sep 18, 2020
- Record last updated
- Sep 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 1,525 in Iowa → Look up another NPI →
Also registered at 518 W Locust St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Haruyo Izumi, A.T.C.Athletic Trainer1346423605
- Johnnie James, MS, LAT, ATCAthletic Trainer1538218649
Verify Benjamin Trewyn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Iowa board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average physician assistant in 2024
301 Medicare Part D claims for 125 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Nifedipine Er52 claims
- Cinacalcet Hcl49 claims
- Lisinopril44 claims
- Prednisone15 claims
- Amoxicillin-Clavulanate Potass13 claims
- Cephalexin11 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.
Benjamin Trewyn among 1,525 physician assistant records in Iowa
Benjamin Trewyn is one of 1,525 physician assistant records with a practice address in Iowa. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 66% of them.
- NPI issued2020 · 66% of these records are older, 29% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2020 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
80 physician assistant records list a practice address in Davenport
They are 80 of the 2,058 NPPES records with a practice address in Davenport, and 1,525 physician assistant records in Iowa.
All 1,525 in Iowa → Every provider in Davenport → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Melanie Burns, PA-CDavenport, IA 528031801331426
- Jennifer Cassatt, PA-CDavenport, IA 528031255890869
- Bridget Clemens, PA-CDavenport, IA 528031952992240
- Lindsay Davenport, PA-CDavenport, IA 528031457800377
- Charles DenneheyDavenport, IA 528031083253306
- Julian Hernandez Carvajal, PA-CDavenport, IA 528031184177412
- Nathan Holland, PADavenport, IA 528031679828651
- Shannon Johnson, PA-CDavenport, IA 528031750566790
Common questions
What is Benjamin Trewyn's NPI number?
Benjamin Trewyn's National Provider Identifier (NPI) is 1558977165, issued on Sep 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Benjamin Trewyn located?
The NPPES record lists a practice address at 518 W Locust St, Davenport, IA, 52803. Phone: (563) 320-3169. Providers update this record themselves, so call before visiting.
How can I verify Benjamin Trewyn's license?
Search the Iowa board that licenses this profession; the NPPES record confirms identity only.
How much does Benjamin Trewyn prescribe under Medicare Part D?
In 2024, Benjamin Trewyn had 301 Medicare Part D claims for 125 beneficiaries; the average among physician assistant prescribers was 830. 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.