Marjorie Willett, APNP
NPI 1598996258 · Nurse Practitioner · Elkhorn, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marjorie Willett, APNP is a Nurse Practitioner provider in Elkhorn, WI (NPI 1598996258).
Provider details
- NPI number
- 1598996258
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 3813-33 (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
16 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
884 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) |
|---|---|---|
| Anticoagulant Management of Patient Taking Warfarin93793 | 364 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 274 | $102 |
| Blood Test, Clotting Time85610 | 246 | $4 |
Typical Medicare-allowed amounts for these services range $4–$102 (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 |
|---|---|---|
| Metoprolol Succinate | 331 | 99 |
| Apixabanbrand: Eliquis | 252 | 63 |
| Losartan Potassium | 213 | 61 |
| Warfarin Sodium | 182 | 40 |
| Rosuvastatin Calcium | 168 | 47 |
| Atorvastatin Calcium | 166 | 48 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-07-29
- Last updated
- 2023-10-19
- Certified
- 2023-10-19
Frequently asked questions
- What is Marjorie Willett's NPI number?
- Marjorie Willett's National Provider Identifier (NPI) is 1598996258, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marjorie Willett's specialty?
- Marjorie Willett is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marjorie Willett located?
- Marjorie Willett's practice location on file with NPPES is W3985 County Road Nn, Elkhorn, WI 53121-4337.
- What is Marjorie Willett's phone number?
- The practice phone number listed in the NPPES registry for Marjorie Willett is (262) 741-2380.
- Does Marjorie Willett accept Medicare?
- Marjorie Willett is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marjorie Willett's NPI active?
- Yes — Marjorie Willett's NPI (1598996258) is active in the NPPES registry as of the last update on 2023-10-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.