Maria Lena Walls, ANP
Adult Health Nurse Practitioner · Saint Louis, MO
Maria Lena Walls, ANP is an adult health nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1740517515, issued on Nov 15, 2009. Check the license (Missouri 2009034346, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Maria Lena Walls
- Credential
- ANP
- Primary taxonomy
- Adult Health Nurse Practitioner 363LA2200X
- License numbers
- 2009034346 MO
2004018016 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3009 N Ballas RD Ste 359C, Saint Louis, MO 63131
- Phone
- (314) 996-4545
- Enumerated
- Nov 15, 2009
- Record last updated
- Mar 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 996-4546
- Medicare enrollment
- Enrolled (PECOS I20100320000256); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult health nurse practitioner records → All 794 in Missouri → Look up another NPI →
Also registered at 3009 N Ballas RD Ste 359C
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- David Fisher, PA-CMedical Physician Assistant1144786351
- Jennifer Gorham, PA-CPhysician Assistant1508251042
- Anna Kemner, ANPNurse Practitioner1871192781
Verify Maria Lena Walls in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2009034346Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average adult health nurse practitioner in 2024
3,511 Medicare Part D claims for 406 beneficiaries, against an average of 1,280 among the 16,937 providers of this specialty who prescribed in Part D. 91 claims were for opioids.
Most prescribed
- Atorvastatin Calcium195 claims
- Levothyroxine Sodium131 claims
- Amlodipine Besylate121 claims
- Lisinopril105 claims
- Tramadol Hcl88 claims
- Omeprazole81 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $17,321.82
66 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 12,291 providers of this specialty with any payment received $946.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Physician Groups LCSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Lena Walls among 794 adult health nurse practitioner records in Missouri
Maria Lena Walls, ANP is one of 794 adult health nurse practitioner records with a practice address in Missouri. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 33% of them.
- NPI issued2009 · 33% of these records are older, 63% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2004 · median 2013 among the 399 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
332 adult health nurse practitioner records list a practice address in Saint Louis
They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 794 adult health nurse practitioner records in Missouri.
All 794 in Missouri → Every provider in Saint Louis → Adult Health Nurse Practitioner nationwide →
The 8 adult health nurse practitioner records with the nearest ZIP codes
- Elizabeth Abernathy, N.P.Saint Louis, MO 631311962680264
- Amanda Botkin, ANPSaint Louis, MO 631311922381383
- Jane Eagon, RN BC ANPSaint Louis, MO 631311801824610
- Victoria Holman, RN,ANPSaint Louis, MO 631311952495046
- Regina Iman, A.P.R.N.,B.C.,A.N.PSaint Louis, MO 631311477536456
- Jeane Kuensting, ANPSaint Louis, MO 631311881667723
- Sharon Muhs, ANPSaint Louis, MO 631311528240702
- Margherita Nahrup, NP-BCSaint Louis, MO 631311669652509
Common questions
What is Maria Lena Walls, ANP's NPI number?
Maria Lena Walls, ANP's National Provider Identifier (NPI) is 1740517515, issued on Nov 15, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Maria Lena Walls, ANP located?
The NPPES record lists a practice address at 3009 N Ballas RD Ste 359C, Saint Louis, MO, 63131. Phone: (314) 996-4545. Providers update this record themselves, so call before visiting.
How can I verify Maria Lena Walls, ANP's license?
NPPES lists Missouri license number 2009034346, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Maria Lena Walls, ANP prescribe under Medicare Part D?
In 2024, Maria Lena Walls, ANP had 3,511 Medicare Part D claims for 406 beneficiaries; the average among adult health nurse practitioner prescribers was 1,280. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.