Individual provider Active NPI

Mary Elizabeth Malen, N.P.

  • Adult Health Nurse Practitioner
  • Ballwin, MO
National Provider Identifier
1386784676
Registry record updated Jul 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Adult Health Nurse PractitionerTaxonomy code 363LA2200X
License
2002016341 Issued in MO
Practice address
1227 De Noailles Dr
Ballwin, MO 63011-3605
Phone
(877) 658-2244
Fax
(858) 724-6662
NPI assigned
Feb 7, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Adult Health Nurse Practitioner 363LA2200X 2002016341 MO Primary

Addresses

Primary practice location

1227 De Noailles Dr
Ballwin, MO 63011-3605

Mailing address

13280 Evening Creek Dr S Ste 225
San Diego, CA 92128-4664
Phone (877) 658-2244

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MO, KY, TN, NC, TX, IL, FL, NY8 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 8

Enrollment IDStateProvider typePAC IDDetails
I20090818000613 MO Practitioner - Nurse Practitioner 2567516057 Reassigns benefits to 2 organizations
I20211021000998 KY Practitioner - Nurse Practitioner 2567516057
I20211022001725 TN Practitioner - Nurse Practitioner 2567516057
I20211025002512 NC Practitioner - Nurse Practitioner 2567516057
I20211026001487 TX Practitioner - Nurse Practitioner 2567516057
I20211027000704 IL Practitioner - Nurse Practitioner 2567516057
I20221107003309 FL Practitioner - Nurse Practitioner 2567516057
I20230109001437 NY Practitioner - Nurse Practitioner 2567516057

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Mdwatch Medical CorpGroup PAC ID 3870992670, 9 clinicians

Practice addresses (Care Compare)

Ballwin, MO 63011
Phone (877) 257-0637

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
2002016341MOMDAdult Health Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Sound Physicians of Illinois, LLC CurrentSince Jun 21, 2017 Accepting new patients
Mdwatch Medical Corp. CurrentSince May 1, 2025 Accepting new patients
Inpatient Consultants of Missouri Inc Past Accepting new patients
Mdwatch Ca, PC PastSince Aug 1, 2020 Accepting new patients
Cloud Health Medical Group, P.a. Past Accepting new patients

Locations

13280 Evening Creek Dr S
Ste 225
San Diego, CA 92128
Phone (858) 752-9735

12303 De Paul Dr
Bridgeton, MO 63044
Phone (314) 344-6360

6420 Clayton Rd
Saint Louis, MO 63117
Phone (314) 768-8442

Interoperability endpoints

  • Direct secure messaging: mary.malen.1@25522.direct.athenahealth.com

Organizations & group practices 5

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1170806400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782864000000",
    "number": "1386784676",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "13280 EVENING CREEK DR S STE 225",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921284664",
            "telephone_number": "877-658-2244",
            "fax_number": "858-724-6662"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1227 DE NOAILLES DR",
            "city": "BALLWIN",
            "state": "MO",
            "postal_code": "630113605",
            "telephone_number": "877-658-2244",
            "fax_number": "858-724-6662"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MALEN",
        "first_name": "MARY",
        "middle_name": "ELIZABETH",
        "name_prefix": "Mrs.",
        "credential": "N.P.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-07",
        "last_updated": "2026-07-01",
        "certification_date": "2026-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "MO",
            "license": "2002016341",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Ballwin, MO

Sources for this page

Verify at the official NPI Registry.