NPPES file of Aug 9, 2026

Mary Beth Walker, FNP

Family Nurse Practitioner · Saint Louis, MO

Mary Beth Walker, FNP is a family nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1003309147, issued on Jun 13, 2018. Check the license (Missouri 2018013788, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1003309147
Name
Mary Beth Walker
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
2018013788 MO
Self-reported in NPPES; status is on the state search
Practice location
615 S New Ballas RD, Saint Louis, MO 63141
Phone
(314) 251-6000
Enumerated
Jun 13, 2018
Record last updated
Jun 13, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20180731000195); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 5,226 in Missouri → Look up another NPI →

Also registered at 615 S New Ballas RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Hajira Abbasi, DOInternal Medicine Physician1194036947
  2. Wael Abduljaber, MDInternal Medicine Physician1174101489
  3. Frederick Abele, M.D.Anesthesiology Physician1346245354
  4. Jane Abele, CRNACertified Registered Nurse Anesthetist1578564647
  5. Joy Abu-Shanab, PHARM. D, BCPSPharmacotherapy Pharmacist1568532216
  6. Yaseen Adam, MDHospitalist Physician1932278587

Verify Mary Beth Walker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Missouri board licenses this profession
    Search for license 2018013788    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Mercy Clinic Adult Hospitalists - St. Louis, LLCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Beth Walker among 5,226 family nurse practitioner records in Missouri

Mary Beth Walker, FNP is one of 5,226 family nurse practitioner records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 53% of them.

  • NPI issued2018 · 53% of these records are older, 41% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated2017 · median 2018 among the 3,339 with a school on file
  • Record last updated2018 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

714 family nurse practitioner records list a practice address in Saint Louis

They are 714 of the 27,605 NPPES records with a practice address in Saint Louis, and 5,226 family nurse practitioner records in Missouri.

All 5,226 in Missouri → Every provider in Saint Louis → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Sara Beck, FNPSaint Louis, MO 631411114257607
  2. Lisa Burgard, F.N.P.Saint Louis, MO 631411790723120
  3. Brenda Bush, NP-CSaint Louis, MO 631411316192610
  4. Paula Haugen, NP-CSt Louis, MO 631411154654416
  5. Lisa Kinsey, FNPSaint Louis, MO 631411760673404
  6. Jeanette Montgomery, C.N.P.Saint Louis, MO 631411811972060
  7. Sarah OsdieckSaint Louis, MO 631411316274905
  8. Rachel Phillips Barnidge, NURSE PRACTRIONERSaint Louis, MO 631411285785121

Common questions

What is Mary Beth Walker, FNP's NPI number?

Mary Beth Walker, FNP's National Provider Identifier (NPI) is 1003309147, issued on Jun 13, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Mary Beth Walker, FNP located?

The NPPES record lists a practice address at 615 S New Ballas RD, Saint Louis, MO, 63141. Phone: (314) 251-6000. Providers update this record themselves, so call before visiting.

How can I verify Mary Beth Walker, FNP's license?

NPPES lists Missouri license number 2018013788, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.