MARIA LENA WALLS ANP
NPI 1740517515
Nurse Practitioner - Adult Health in Saint Louis, MO

Q: What is Maria Walls's NPI number?

The NPI number for Maria Walls is 1740517515. It was assigned to this individual provider in the NPPES registry on November 15, 2009.

Q: What is Maria Walls's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.

Q: When was this NPI record last updated?

The NPPES record for Maria Walls was last updated on March 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 15, 2009PECOS EnrolledAccepts Medicare Assignment

3009 N BALLAS RD STE 359C, SAINT LOUIS, MO 63131(314) 996-4545(314) 996-4546 Get Directions Write a Review

NPPES record last updated: March 29, 2021. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Maria Lena Walls Anp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARIA LENA WALLS ANP (NPI 1740517515) is an individual adult health provider in Saint Louis, Missouri, licensed in Missouri (2009034346) and active in the NPI registry since November 2009. She is enrolled in Medicare PECOS, is affiliated with St Lukes Hospital, and is a graduate of Other (2004).

NPPES Registry Identity

NPI1740517515

Entity TypeIndividualFemale

Primary Taxonomy363LA2200X

Provider Legal NameMARIA LENA WALLSCredential: ANP

Location Address3009 N BALLAS RD STE 359CSaint Louis, MO 63131-2324

Mailing Address670 Mason Ridge Center Dr, Ste 300Saint Louis, MO 63141-8573 · (314) 996-4545 · Fax (314) 996-4546

Phone(314) 996-4545

Fax(314) 996-4546

Sole ProprietorYes

Medical School CMSOtherGraduated 2004

Enumeration DateNovember 15, 2009

Last NPPES UpdateMarch 29, 2021

NPPES CertifiedMarch 29, 2021

✔ NPI 1740517515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LA2200X

License✔ Licensed in MO · 2009034346

Also ListedRegistered NurseTaxonomy 163W00000X · License 2004018016 (MO)

3009 N BALLAS RD STE 359C, Saint Louis, MO 63131

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Maria Lena Walls Anp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9739214362

PECOS Enrollment IDI20100320000256

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

114 services79 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

82 services62 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

80 services80 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

45 services38 patients

Hemoglobin a1c level 83036

Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.

34 services24 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

16 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

St Lukes Hospital

Acute Care Hospitals · Chesterfield, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number260179

Location232 S Woods Mill RdChesterfield, MO 63017 · St. Louis County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63131 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$86.32 typical visit price

range $55.65 – $169.38

Typical copayment $21.58 (range $13.91 – $42.34)

Most-billed visit code 99203

Established Patient

$98.37 typical visit price

range $17.76 – $137.92

Typical copayment $24.59 (range $4.44 – $34.48)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

13 suppliers28 claims80 services$6.03 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. LEEN HUSNI ALI AL-SAYYED M.D.

Internal Medicine (Gastroenterology)