Mary Walker, FNP
NPI 1174288773 · Family Nurse Practitioner · Florence, AZ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Walker, FNP is a Family Nurse Practitioner provider in Florence, AZ (NPI 1174288773).
Provider details
- NPI number
- 1174288773
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 209022899 (IL)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
4 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
198 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 53 | $10 |
| Blood Test, Lipids (cholesterol and Triglycerides)80061 | 48 | $13 |
| Hemoglobin A1c Level, By Device for Home Use83037 | 42 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 26 | $8 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Tracing93005 | 16 | $6 |
| Hemoglobin A1c Level83036 | 13 | $10 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 143 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 600 | 196 |
| Levothyroxine Sodium | 461 | 132 |
| Lisinopril | 449 | 140 |
| Amlodipine Besylate | 330 | 110 |
| Losartan Potassium | 304 | 107 |
| Metformin Hcl | 220 | 78 |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 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
- 2021-11-08
- Last updated
- 2025-05-13
- Certified
- 2025-05-13
Frequently asked questions
- What is Mary Walker's NPI number?
- Mary Walker's National Provider Identifier (NPI) is 1174288773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Walker's specialty?
- Mary Walker is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Walker located?
- Mary Walker's practice location on file with NPPES is 174 W Highway 287, Florence, AZ 85132.
- What is Mary Walker's phone number?
- The practice phone number listed in the NPPES registry for Mary Walker is (520) 868-5811.
- Does Mary Walker accept Medicare?
- Mary Walker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Walker's NPI active?
- Yes — Mary Walker's NPI (1174288773) is active in the NPPES registry as of the last update on 2025-05-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.