Margaret Alvarez, NP
NPI 1578775078 · Acute Care Nurse Practitioner · Woodruff, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Alvarez, NP is a Acute Care Nurse Practitioner provider in Woodruff, WI (NPI 1578775078).
Provider details
- NPI number
- 1578775078
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209004612 (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 tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 87 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 479 | 137 |
| Losartan Potassium | 334 | 91 |
| Amlodipine Besylate | 285 | 73 |
| Levothyroxine Sodium | 260 | 63 |
| Lisinopril | 228 | 65 |
| Rosuvastatin Calcium | 196 | 51 |
| Omeprazole |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$48 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-04
- Last updated
- 2020-12-15
- Certified
- 2020-12-15
Frequently asked questions
- What is Margaret Alvarez's NPI number?
- Margaret Alvarez's National Provider Identifier (NPI) is 1578775078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Alvarez's specialty?
- Margaret Alvarez is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Alvarez located?
- Margaret Alvarez's practice location on file with NPPES is 240 Maple St, Woodruff, WI 54568-9190.
- What is Margaret Alvarez's phone number?
- The practice phone number listed in the NPPES registry for Margaret Alvarez is (715) 356-8751.
- Does Margaret Alvarez accept Medicare?
- Margaret Alvarez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Alvarez's NPI active?
- Yes — Margaret Alvarez's NPI (1578775078) is active in the NPPES registry as of the last update on 2020-12-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.