Derek Harmelink, PA
NPI 1548542897 · Physician Assistant · Plymouth, WI
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Harmelink, PA is a Physician Assistant provider in Plymouth, WI (NPI 1548542897).
Provider details
- NPI number
- 1548542897
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 2864 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
286 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 179 | $72 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 63 | $88 |
| Automated Urinalysis Test81003 | 32 | $2 |
| Respiratory Infectious Agent Detection By Rna for Severe Acute Respiratory Syndrome Coronavirus 2 (covid 19), Influenza A, Influenza B, and Respiratory Syncytial Virus, Upper Respiratory Specimen, Each Reported As Detected Or Not Detected0241U | 12 | $140 |
Typical Medicare-allowed amounts for these services range $2–$140 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 84 | 84 |
| Prednisone | 61 | 60 |
| Cephalexin | 42 | 42 |
| Doxycycline Monohydrate | 40 | 39 |
| Azithromycin | 26 | 26 |
| Cefdinir | 24 | 24 |
| Tizanidine Hcl | 19 | 19 |
| Methylprednisolone |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-09-13
- Last updated
- 2024-10-03
- Certified
- 2024-10-03
Frequently asked questions
- What is Derek Harmelink's NPI number?
- Derek Harmelink's National Provider Identifier (NPI) is 1548542897, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Harmelink's specialty?
- Derek Harmelink is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Harmelink located?
- Derek Harmelink's practice location on file with NPPES is 2600 Kiley Way, Plymouth, WI 53073-5020.
- What is Derek Harmelink's phone number?
- The practice phone number listed in the NPPES registry for Derek Harmelink is (920) 449-7000.
- Does Derek Harmelink accept Medicare?
- Derek Harmelink is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Harmelink's NPI active?
- Yes — Derek Harmelink's NPI (1548542897) is active in the NPPES registry as of the last update on 2024-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.