Maria Walls, ANP
NPI 1740517515 · Adult Health Nurse Practitioner · Saint Louis, MO
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Walls, ANP is a Adult Health Nurse Practitioner provider in Saint Louis, MO (NPI 1740517515).
Provider details
- NPI number
- 1740517515
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ANP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 2004018016 (MO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 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
385 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 114 | $104 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 82 | $9 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 80 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 45 | $74 |
| Hemoglobin A1c Level83036 | 34 | $10 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 195 | 64 |
| Levothyroxine Sodium | 131 | 43 |
| Amlodipine Besylate | 121 | 45 |
| Lisinopril | 105 | 34 |
| Tramadol Hcl | 88 | 21 |
| Omeprazole | 81 | 25 |
| Tirzepatide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17,322 across 66 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
- 2009-11-15
- Last updated
- 2021-03-29
- Certified
- 2021-03-29
Frequently asked questions
- What is Maria Walls's NPI number?
- Maria Walls's National Provider Identifier (NPI) is 1740517515, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Walls's specialty?
- Maria Walls is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maria Walls located?
- Maria Walls's practice location on file with NPPES is 3009 N Ballas Rd Ste 359c, Saint Louis, MO 63131-2324.
- What is Maria Walls's phone number?
- The practice phone number listed in the NPPES registry for Maria Walls is (314) 996-4545.
- Does Maria Walls accept Medicare?
- Maria Walls is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Walls's NPI active?
- Yes — Maria Walls's NPI (1740517515) is active in the NPPES registry as of the last update on 2021-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.