Active NPI
Wallis Dermatology Associates PLLC
- Dermatology Physician
- Longview, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- License
- H6685
- 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, 2026
- Organization subpart
- No
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 302333501 | Medicaid | TX |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 45D0684764 | Wallis Dermatology Associates PLLC | Compliance | Nov 7, 2026 |
| 45D2135593 | Wallis Dermatology Associates, PLLC | Provider-performed microscopy | Aug 6, 2027 |
| 45D2334912 | Wallis Dermatology Assoc, PLLC | Registration | Dec 2, 2027 |
National Provider Directory
National Provider DirectoryLocations
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.
-
- Nurse Practitioner
- Marshall, TX
- NPI 1538681754
-
- Dermatology Physician
- Longview, TX
- NPI 1154825974
-
- Nurse Practitioner
- Longview, TX
- NPI 1780259135
-
- Dermatology Physician
- Longview, TX
- NPI 1861750416
-
- Nurse Practitioner
- Tyler, TX
- NPI 1336774405
-
- Nurse Practitioner
- Longview, TX
- NPI 1538137153
-
- MOHS-Micrographic Surgery Physician
- Longview, TX
- NPI 1760441893
-
- Dermatology Physician
- Longview, TX
- NPI 1144724717
-
- Nurse Practitioner
- Longview, TX
- NPI 1003590282
-
- Physician Assistant
- Longview, TX
- NPI 1851323919
-
- Dermatology Physician
- Longview, TX
- NPI 1811566250
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.