MS. MARY C BAUER RN, MSN, APRN
NPI 1427006337
Nurse Practitioner - Psychiatric/Mental Health in Clayton, MO

Q: What is Mary Bauer's NPI number?

The NPI number for Mary Bauer is 1427006337. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Q: What is Mary Bauer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Q: When was this NPI record last updated?

The NPPES record for Mary Bauer was last updated on April 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 May 04, 2006PECOS Enrolled

225 S MERAMEC AVE STE 409, CLAYTON, MO 63105(314) 556-0009(314) 492-0095 Get Directions Write a Review

NPPES record last updated: April 12, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Ms. Mary C Bauer Rn, Msn, Aprn NPPES

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

MS. MARY C BAUER RN, MSN, APRN (NPI 1427006337) is an individual psychiatric/mental health provider in Clayton, Missouri, licensed in Missouri (2012032346) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427006337

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameMS. MARY C BAUERCredential: RN, MSN, APRN

Location Address225 S MERAMEC AVE STE 409Clayton, MO 63105-3511

Mailing Address6735 Wynfield Terrace DrSt. Louis, MO 63129 · (314) 518-2837

Phone(314) 556-0009

Fax(314) 492-0095

Sole ProprietorYes

Enumeration DateMay 4, 2006

Last NPPES UpdateApril 12, 2024

NPPES CertifiedApril 11, 2024

✔ NPI 1427006337 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in MO · 2012032346

Also ListedNurse Practitioner · Adult HealthTaxonomy 363LA2200X · License 069486 (MO)

225 S MERAMEC AVE STE 409, Clayton, MO 63105

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Texas and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Mary C Bauer Rn, Msn, Aprn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

Medicare enrollment records show Mary Bauer reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Success Health System, LLC

113 mi

Psychiatry

3700 I 70 DR SE STE 110
Columbia, MO 65201

Reassigned Medicare billing, Kansas and Missouri enrollments
16 clinicians in this Medicare group

NPI 1508310293 (888) 410-5230

Mental Health Specialty Group Ks, P.A.

386 mi

Addiction Medicine

801 E DOUGLAS AVE
Wichita, KS 67202

Reassigned Medicare billing, Kansas enrollment
Medicare enrollment name: Mental Health Specialty Group Ks PA
28 clinicians in this Medicare group

NPI 1063282390 (323) 205-7088

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63105 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.

Other Providers at the Same Location NPPES

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

KIARA HILL

Marriage & Family Therapist

225 S MERAMEC AVE STE 409
CLAYTON, MO 63105

St. Louis County (314) 556-0009

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Bauer's NPI number?

The NPI number for Mary Bauer is 1427006337. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Mary Bauer located?

Mary Bauer practices at 225 S Meramec Ave Ste 409, Clayton, MO 63105. The listed phone number is (314) 556-0009.

What is Mary Bauer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Mary Bauer enrolled in Medicare?

Yes. Mary Bauer is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Bauer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Bauer reassigns Medicare benefits to 2 organizations: Success Health System, LLC (Columbia, MO) and Mental Health Specialty Group Ks, P.A. (Wichita, KS). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Bauer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Bauer accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Kansas City, Blue Cross and Blue Shield of Texas, Medica and UnitedHealthcare list Mary Bauer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Bauer was last updated on April 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.