Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

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

Q: 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.

Q: What is Mary Malen's specialty?

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

Q: 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 42 days 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 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: August 09, 2026.

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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 Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

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.

What insurance does Mary Malen accept?

Health plans from Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Texas 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 42 days 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.