Organization Active NPI

Wallis Dermatology Associates PLLC

  • Dermatology Physician
  • Longview, TX
National Provider Identifier
1396945234
Registry record updated Feb 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
H6685 Issued in TX
Legal business name
WALLIS DERMATOLOGY ASSOCIATES PLLC
Practice address
3535 N Fourth St Ste 400
Longview, TX 75605-0038
Phone
(903) 757-3881
Fax
(903) 757-5948
NPI assigned
Jul 19, 2007
Last updated
Feb 13, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Feb 13, 2026

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

Authorized official

Name
Elizabeth Bowen
Title
Credentialing Officer
Phone
(903) 503-7330

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X H6685 TX Primary

Addresses

Primary practice location

3535 N Fourth St Ste 400
Longview, TX 75605-0038

Mailing address

3535 N Fourth St Ste 400
Longview, TX 75605-0038
Phone (903) 757-3881

Other practice location 1

2365 Three Lakes Pkwy
Tyler, TX 75703
Phone (903) 991-4569

Other practice location 2

1900 S Washington Ave Ste E
Marshall, TX 75670-6845
Phone (903) 503-7330

Other identifiers 1

IdentifierTypeStateIssuer
302333501MedicaidTX

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mwallis@directaddress.net Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20120322000343 TX Part B Supplier - Clinic/Group Practice 0749440188 Receives reassigned benefits from 13 practitioners
Practice locations: Longview, TX; Marshall, TX; Tyler, TX

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
45D0684764Wallis Dermatology Associates PLLC3535 North 4TH Street, Suite 400, Longview, TX 75605ComplianceNov 7, 2026
45D2135593Wallis Dermatology Associates, PLLC1900 S Washington, Suite E, Marshall, TX 75670Provider-performed microscopyAug 6, 2027
45D2334912Wallis Dermatology Assoc, PLLC2365 Three Lakes Parkway, Tyler, TX 75703RegistrationDec 2, 2027

National Provider Directory

National Provider Directory

Locations

3535 N Fourth St
Ste 400
Longview, TX 75605
Phone (903) 757-3881

6 Doctor Cir
Longview, TX 75605
Phone (903) 592-1664

703 E Marshall Ave
Ste 3005
Longview, TX 75601
Phone (903) 236-3266

1900 S Washington Ave
Ste E
Marshall, TX 75670
Phone (903) 503-7330

2365 Three Lakes Pkwy
Tyler, TX 75703
Phone (903) 991-4569

Practitioners & affiliated clinicians

Practitioners 14

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.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1184803200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770940800000",
    "number": "1396945234",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3535 N FOURTH ST STE 400",
            "city": "LONGVIEW",
            "state": "TX",
            "postal_code": "756050038",
            "telephone_number": "903-757-3881",
            "fax_number": "903-757-5948"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 N FOURTH ST STE 400",
            "city": "LONGVIEW",
            "state": "TX",
            "postal_code": "756050038",
            "telephone_number": "903-757-3881",
            "fax_number": "903-757-5948"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2365 Three Lakes Pkwy",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "75703",
            "country_code": "US",
            "telephone_number": "903-991-4569",
            "fax_number": "430-227-8328",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1900 S Washington Ave Ste E",
            "address_purpose": "LOCATION",
            "city": "Marshall",
            "state": "TX",
            "postal_code": "756706845",
            "country_code": "US",
            "telephone_number": "903-503-7330",
            "fax_number": "903-503-7336",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "WALLIS DERMATOLOGY ASSOCIATES PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-07-19",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A",
        "authorized_official_last_name": "BOWEN",
        "authorized_official_first_name": "ELIZABETH",
        "authorized_official_title_or_position": "CREDENTIALING OFFICER",
        "authorized_official_telephone_number": "903-503-7330"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "TX",
            "license": "H6685",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "302333501",
            "state": "TX"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mwallis@directaddress.net",
            "affiliation": "N",
            "endpointDescription": "Nextech direct address",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "3535 N Fourth St Ste 400",
            "city": "Longview",
            "state": "TX",
            "country_code": "US",
            "postal_code": "756050038",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Longview, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.