Individual provider Active NPI

Mary Lee Nelson, PHD.

  • Psychologist
  • Saint Louis, MO
National Provider Identifier
1427928050
Registry record updated Dec 8, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
PsychologistTaxonomy code 103T00000X
License
2010009608 Issued in MO
Practice address
10311 Forest Brook LN Apt D
Saint Louis, MO 63146-5844
Phone
(775) 990-3106
NPI assigned
Nov 8, 2025
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Dec 8, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
PsychologistGroup: 193200000X MULTI-SPECIALTY GROUP 103T00000X 2010009608 MO Primary

Addresses

Primary practice location

10311 Forest Brook LN Apt D
Saint Louis, MO 63146-5844

Mailing address

10311 Forest Brook LN Apt D
Saint Louis, MO 63146-5844
Phone (775) 990-3106

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Philosophy

State licenses

LicenseStateTypeSpecialty
2010009608MOMDPsychologist

NPI Registry JSON

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

{
    "created_epoch": "1762560000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765152000000",
    "number": "1427928050",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10311 FOREST BROOK LN APT D",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631465844",
            "telephone_number": "775-990-3106"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10311 FOREST BROOK LN APT D",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631465844",
            "telephone_number": "775-990-3106"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NELSON",
        "first_name": "MARY",
        "middle_name": "LEE",
        "name_prefix": "Dr.",
        "credential": "PHD.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-11-08",
        "last_updated": "2025-12-08",
        "certification_date": "2025-12-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Psychologist",
            "state": "MO",
            "license": "2010009608",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Saint Louis, MO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 8, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.