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MRS. MARY ELIZABETH MALEN N.P.
NPI 1386784676
Nurse Practitioner - Adult Health in Ballwin, MO

Active since February 07, 2007PECOS EnrolledAccepts Medicare Assignment
1227 DE NOAILLES DR, BALLWIN, MO 63011(877) 658-2244(858) 724-6662 Get Directions Write a Review

NPPES record last updated: July 1, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mrs. Mary Elizabeth Malen N.p. NPPES

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

MRS. MARY ELIZABETH MALEN N.P. (NPI 1386784676) is an individual adult health provider in Ballwin, Missouri, licensed in Missouri (2002016341) and active in the NPI registry since February 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2006).

NPPES Registry Identity

NPI1386784676
Entity TypeIndividualFemale
Primary Taxonomy363LA2200X
Provider Legal NameMRS. MARY ELIZABETH MALENCredential: N.P.
Location Address1227 DE NOAILLES DRBallwin, MO 63011-3605
Mailing Address13280 Evening Creek Dr S Ste 225San Diego, CA 92128-4664 · (877) 658-2244 · Fax (858) 724-6662
Phone(877) 658-2244
Fax(858) 724-6662
Sole ProprietorNo
Medical School CMSOtherGraduated 2006
Enumeration DateFebruary 7, 2007
Last NPPES UpdateJuly 1, 2026
NPPES CertifiedJuly 1, 2026
✔ NPI 1386784676 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Adult HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2200X
License✔ Licensed in MO · 2002016341
1227 DE NOAILLES DR, Ballwin, MO 63011
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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 Montana, Blue Cross and Blue Shield of NC 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 and accepts Medicare assignment

Mrs. Mary Elizabeth Malen N.p. 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 ID2567516057
PECOS Enrollment IDI20090818000613
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

2

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

Sound Physicians Of Illinois, LLC
9.9 mi
Hospitalist
12303 DE PAUL DR
Bridgeton, MO 63044
  • Reassigned Medicare billing, Missouri enrollment
  • 301 clinicians in this Medicare group
NPI 1043598865 (314) 344-6000
Mdwatch Medical Corp.
713 mi
Family Medicine
10304 EATON PL STE 100
Fairfax, VA 22030
  • Reassigned Medicare billing, Missouri enrollment
  • 2 clinicians in this Medicare group
NPI 1548842370 (877) 257-0637

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 63011 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.

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 Malen's NPI number?

The NPI number for Mary Malen is 1386784676. It was assigned to this individual provider in the NPPES registry on February 7, 2007.

Where is Mary Malen located?

Mary Malen practices at 1227 De Noailles Dr, Ballwin, MO 63011. The listed phone number is (877) 658-2244.

What is Mary Malen's specialty?

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

Is Mary Malen enrolled in Medicare?

Yes. Mary Malen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Mary Malen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Malen reassigns Medicare benefits to 2 organizations: Sound Physicians Of Illinois, LLC (Bridgeton, MO) and Mdwatch Medical Corp. (Fairfax, VA). 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 Malen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Malen accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of NC and UnitedHealthcare list Mary Malen 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 Malen was last updated on July 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.