Mary Davis, NP
NPI 1851582357 · Nurse Practitioner · Hayward, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Davis, NP is a Nurse Practitioner provider in Hayward, WI (NPI 1851582357).
Provider details
- NPI number
- 1851582357
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- 3142 (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 tenure33% of score
18 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 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 260 | 72 |
| Losartan Potassium | 216 | 65 |
| Amlodipine Besylate | 139 | 45 |
| Levothyroxine Sodium | 127 | 36 |
| Lisinopril | 116 | 35 |
| Omeprazole | 100 | 35 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$15 across 1 record (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
- 2007-08-08
- Last updated
- 2012-07-03
Frequently asked questions
- What is Mary Davis's NPI number?
- Mary Davis's National Provider Identifier (NPI) is 1851582357, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Davis's specialty?
- Mary Davis is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Davis located?
- Mary Davis's practice location on file with NPPES is 10212 N Greenwood Ln, Hayward, WI 54843-7220.
- What is Mary Davis's phone number?
- The practice phone number listed in the NPPES registry for Mary Davis is (715) 634-6520.
- Does Mary Davis accept Medicare?
- Mary Davis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Davis's NPI active?
- Yes — Mary Davis's NPI (1851582357) is active in the NPPES registry as of the last update on 2012-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.