Derek Wolken, FNP
NPI 1295289148 · Family Nurse Practitioner · Wauconda, IL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Derek Wolken, FNP is a Family Nurse Practitioner provider in Wauconda, IL (NPI 1295289148).
Provider details
- NPI number
- 1295289148
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 209014676 (IL)
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
9 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
90 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) |
|---|---|---|
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 59 | $3 |
| Hemoglobin A1c Level83036 | 31 | $10 |
Typical Medicare-allowed amounts for these services range $3–$10 (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 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 93 | 33 |
| Lisinopril | 66 | 23 |
| Metformin Hcl | 62 | 25 |
| Amlodipine Besylate | 51 | 21 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 50 | 11 |
| Omeprazole | 36 | — |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-08-09
- Last updated
- 2016-08-09
Frequently asked questions
- What is Derek Wolken's NPI number?
- Derek Wolken's National Provider Identifier (NPI) is 1295289148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Derek Wolken's specialty?
- Derek Wolken is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Derek Wolken located?
- Derek Wolken's practice location on file with NPPES is 431 W Liberty St, Wauconda, IL 60084-2452.
- What is Derek Wolken's phone number?
- The practice phone number listed in the NPPES registry for Derek Wolken is (847) 526-2151.
- Does Derek Wolken accept Medicare?
- Derek Wolken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Derek Wolken's NPI active?
- Yes — Derek Wolken's NPI (1295289148) is active in the NPPES registry as of the last update on 2016-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.