Elizabeth Willerup, RNP
NPI 1003801820 · Psychiatric/Mental Health Nurse Practitioner · Roseville, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Elizabeth Willerup, RNP is a Psychiatric/Mental Health Nurse Practitioner provider in Roseville, CA (NPI 1003801820).
Provider details
- NPI number
- 1003801820
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RNP
- Sex
- Female
- Sole proprietor
- No
- License
- 318629 (CA)
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
20 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
95 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 | 95 | $110 |
Typical Medicare-allowed amounts for these services range $110–$110 (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 · 24 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Paliperidone Palmitatebrand: Invega Sustenna | 119 | 13 |
| Olanzapine | 95 | 14 |
| Fluoxetine Hcl | 66 | — |
| Aripiprazole | 63 | — |
| Trazodone Hcl | 53 | — |
| Duloxetine Hcl | 53 | — |
| Divalproex Sodiumbrand: Divalproex Sodium Er | 51 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-09-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Elizabeth Willerup's NPI number?
- Elizabeth Willerup's National Provider Identifier (NPI) is 1003801820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Elizabeth Willerup's specialty?
- Elizabeth Willerup is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Elizabeth Willerup located?
- Elizabeth Willerup's practice location on file with NPPES is 1643 Eureka Rd, Roseville, CA 95661-3027.
- What is Elizabeth Willerup's phone number?
- The practice phone number listed in the NPPES registry for Elizabeth Willerup is (916) 771-7627.
- Does Elizabeth Willerup accept Medicare?
- Elizabeth Willerup is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Elizabeth Willerup's NPI active?
- Yes — Elizabeth Willerup's NPI (1003801820) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.