NPPES file of Aug 9, 2026

Mary C. Bauer, RN, MSN, APRN

Psychiatric/Mental Health Nurse Practitioner · Clayton, MO

Mary C. Bauer, RN, MSN, APRN is a psychiatric/mental health nurse practitioner with a practice address in Clayton, Missouri, and NPI 1427006337, issued on May 4, 2006. Check the license (Missouri 2012032346, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1427006337
Name
Mary C. Bauer
Credential
RN, MSN, APRN
Primary taxonomy
Psychiatric/Mental Health Nurse Practitioner 363LP0808X
License numbers
2012032346 MO
069486 MO
Self-reported in NPPES; status is on the state search
Practice location
225 S Meramec Ave Ste 409, Clayton, MO 63105
Phone
(314) 556-0009
Enumerated
May 4, 2006
Record last updated
Apr 12, 2024
Fax
(314) 492-0095
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest psychiatric/mental health nurse practitioner records → All 765 in Missouri → Look up another NPI →

Also registered at 225 S Meramec Ave Ste 409

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

  1. Kiara HillMarriage & Family Therapist1710720826

Verify Mary C. Bauer 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 2012032346    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

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99% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024

12 Medicare Part D claims, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Mary Bauer12
  2. Specialty average906

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.

Mary C. Bauer among 765 psychiatric/mental health nurse practitioner records in Missouri

Mary C. Bauer, RN, MSN, APRN is one of 765 psychiatric/mental health nurse practitioner records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.

  • NPI issued2006 · 1% of these records are older, 95% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileNo · 65% of these records are
  • Record last updated2024 · 20% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatric/Mental Health Nurse Practitioner providers in Missouri

There are 765 psychiatric/mental health nurse practitioner records in Missouri.

All 765 in Missouri → Every provider in Clayton → Psychiatric/Mental Health Nurse Practitioner nationwide →

The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes

  1. Jean Beck, APRNClayton, MO 631051780793802
  2. Mellisa Black, PMHNP-BCSaint Louis, MO 631041619673894
  3. Taylor Davis, CRNPSaint Louis, MO 631061306719588
  4. Olivia Foster, DNPSaint Louis, MO 631041205526720
  5. Dalila FranklinSaint Louis, MO 631041336990258
  6. Natalie GraySaint Louis, MO 631041508785049
  7. Valorie Jones, PMHNPSaint Louis, MO 631041770216202
  8. Torri Taylor-Spencer, MSN, APRN, PMHNP-BCSaint Louis, MO 631041376261743

Common questions

What is Mary C. Bauer, RN, MSN, APRN's NPI number?

Mary C. Bauer, RN, MSN, APRN's National Provider Identifier (NPI) is 1427006337, issued on May 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary C. Bauer, RN, MSN, APRN located?

The NPPES record lists a practice address at 225 S Meramec Ave Ste 409, Clayton, MO, 63105. Phone: (314) 556-0009. Providers update this record themselves, so call before visiting.

How can I verify Mary C. Bauer, RN, MSN, APRN's license?

NPPES lists Missouri license number 2012032346, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.

How much does Mary C. Bauer, RN, MSN, APRN prescribe under Medicare Part D?

In 2024, Mary C. Bauer, RN, MSN, APRN had 12 Medicare Part D claims; the average among psychiatric/mental health nurse practitioner prescribers was 906. 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.

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.