Derek J. Harmelink, PA
Physician Assistant · Plymouth, WI
Derek J. Harmelink, PA is a physician assistant with a practice address in Plymouth, Wisconsin, and NPI 1548542897, issued on Sep 13, 2011. Check the license (Wisconsin 2864, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Derek J. Harmelink
- Credential
- PA
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2864 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2600 Kiley Way, Plymouth, WI 53073
- Phone
- (920) 449-7000
- Enumerated
- Sep 13, 2011
- Record last updated
- Oct 3, 2024
- Medicaid ID
- 100017705 WI
- Medicare enrollment
- Enrolled (PECOS I20150814013439); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 3,475 in Wisconsin → Look up another NPI →
Also registered at 2600 Kiley Way
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mitchell AdamsPharmacist1669003463
- Amanda Anhalt, LCSW, CSACClinical Social Worker1447758693
- Nicholas Bier, DPT, LATPhysical Therapist1093241002
- Katelyn Bolden, PTPhysical Therapist1134013568
- Gina Budjak, DCChiropractor1588350771
- Tina Burtard, M.S., OTR/LOccupational Therapist1710200548
Verify Derek J. Harmelink in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 2864Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% fewer Medicare Part D claims than the average physician assistant in 2024
540 Medicare Part D claims for 414 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims. 19 claims were for opioids.
Most prescribed
- Amoxicillin-Clavulanate Potass84 claims
- Prednisone61 claims
- Cephalexin42 claims
- Doxycycline Monohydrate40 claims
- Azithromycin26 claims
- Cefdinir24 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.
Bills Medicare through one group practice
- Aurora Medical Group, Inc.Milwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek J. Harmelink among 3,475 physician assistant records in Wisconsin
Derek J. Harmelink, PA is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 36% of them.
- NPI issued2011 · 36% of these records are older, 61% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2011 · median 2016 among the 2,491 with a school on file
- Record last updated2024 · 38% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 physician assistant records list a practice address in Plymouth
They are 7 of the 200 NPPES records with a practice address in Plymouth, and 3,475 physician assistant records in Wisconsin.
All 3,475 in Wisconsin → Every provider in Plymouth → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Sarah Jabs, PAPlymouth, WI 530731659329423
- Robert McKibbenPlymouth, WI 530731184713182
- Juliane Nevers, PA-CPlymouth, WI 530731922310465
- David Osterwind, PAPlymouth, WI 530731518924497
- Marissa Steinhaus, PA-CPlymouth, WI 530731073353017
- Lynnett Wilderman, PA-CPlymouth, WI 530731861509721
- Thomas AndersonPewaukee, WI 530721952718348
- Kyle Blindauer, PA-CPewaukee, WI 530721700343753
Common questions
What is Derek J. Harmelink, PA's NPI number?
Derek J. Harmelink, PA's National Provider Identifier (NPI) is 1548542897, issued on Sep 13, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Derek J. Harmelink, PA located?
The NPPES record lists a practice address at 2600 Kiley Way, Plymouth, WI, 53073. Phone: (920) 449-7000. Providers update this record themselves, so call before visiting.
How can I verify Derek J. Harmelink, PA's license?
NPPES lists Wisconsin license number 2864, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Derek J. Harmelink, PA prescribe under Medicare Part D?
In 2024, Derek J. Harmelink, PA had 540 Medicare Part D claims for 414 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.