Thomas a Dietz NP PLLC

Primary specialty

Psychiatric/Mental Health Nurse PractitionerTaxonomy code 363LP0808X

Legal business name

THOMAS A DIETZ NP PLLC

Doing business as

Little Mountain Mental Wellness

Practice address

2828 Lotus Park
Schertz, TX 78154-3740

Phone

(210) 239-3009

Fax

(210) 405-9994

NPI assigned

Oct 28, 2024

Last updated

Feb 19, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Thomas A Dietz, PMHNP-BCNPI 1356982656

Title

Authorized Official

Phone

(210) 239-3009

Specialties & licenses 1

Addresses

Other names 1

• Little Mountain Mental Wellness Doing business as

Medicare fee-for-service enrollment

Enrolled in TX

Enrollment records 1

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Thomas A Dietz, PMHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Schertz, TX
  • NPI 1356982656
  Medicare reassignment NPD Authorized official
• Anna Isabel Martinez, MHNP

  • Psychiatric/Mental Health Nurse Practitioner
  • Schertz, TX
  • NPI 1346715273
  Medicare reassignment NPD

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

{
    "created_epoch": "1730073600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1771459200000",
    "number": "1679395982",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2828 LOTUS PARK",
            "city": "SCHERTZ",
            "state": "TX",
            "postal_code": "781543740",
            "telephone_number": "210-239-3009",
            "fax_number": "210-405-9994"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2828 LOTUS PARK",
            "city": "SCHERTZ",
            "state": "TX",
            "postal_code": "781543740",
            "telephone_number": "210-239-3009",
            "fax_number": "210-405-9994"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THOMAS A DIETZ NP PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2024-10-28",
        "last_updated": "2026-02-19",
        "certification_date": "2026-02-19",
        "status": "A",
        "authorized_official_last_name": "DIETZ",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_middle_name": "A",
        "authorized_official_title_or_position": "AUTHORIZED OFFICIAL",
        "authorized_official_telephone_number": "210-239-3009",
        "authorized_official_credential": "PMHNP-BC"
    },
    "taxonomies": [
        {
            "code": "363LP0808X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Psychiatric/Mental Health",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Little Mountain Mental Wellness",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Little Mountain Mental Wellness",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Psychiatric/Mental Health Nurse Practitioner in Schertz, TX
• Providers in Schertz, TX by specialty
• Psychiatric/Mental Health Nurse Practitioner in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.