Diane Wilken, FNP-C
NPI 1245802032 · Nurse Practitioner · Eau Claire, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Wilken, FNP-C is a Nurse Practitioner provider in Eau Claire, WI (NPI 1245802032).
Provider details
- NPI number
- 1245802032
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 11077-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
4 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
236 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 86 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 81 | $76 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 56 | $147 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 13 | $92 |
Typical Medicare-allowed amounts for these services range $76–$147 (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 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 52 | 52 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 37 | 37 |
| Doxycycline Hyclate | 30 | 30 |
| Cefadroxil | 25 | 25 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 23 | 23 |
| Cefdinir | 19 | 19 |
| Triamcinolone Acetonide | 13 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-12
- Last updated
- 2026-02-04
- Certified
- 2026-02-04
Frequently asked questions
- What is Diane Wilken's NPI number?
- Diane Wilken's National Provider Identifier (NPI) is 1245802032, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Wilken's specialty?
- Diane Wilken is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Diane Wilken located?
- Diane Wilken's practice location on file with NPPES is 733 W Clairemont Ave, Eau Claire, WI 54701-6117.
- What is Diane Wilken's phone number?
- The practice phone number listed in the NPPES registry for Diane Wilken is (715) 838-5340.
- Does Diane Wilken accept Medicare?
- Diane Wilken is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Wilken's NPI active?
- Yes — Diane Wilken's NPI (1245802032) is active in the NPPES registry as of the last update on 2026-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.