Devor O'Connor, MD

Primary specialty

Dermatology PhysicianTaxonomy code 207N00000X

License

W5905 Issued in TX

Practice address

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

Phone

(903) 757-3881

Fax

(903) 757-5948

NPI assigned

Jun 21, 2021

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in TX

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

Dermatology

Education

University of Nebraska College of Medicine, 2021

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

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.

• Wallis Dermatology Associates PLLC

  • Dermatology Physician
  • Longview, TX
  • NPI 1396945234
  Medicare reassignment NPD

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

{
    "created_epoch": "1624233600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787184000000",
    "number": "1811566250",
    "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": "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"
        },
        {
            "address_1": "2365 Three Lakes Pkwy",
            "address_purpose": "LOCATION",
            "city": "Tyler",
            "state": "TX",
            "postal_code": "757031417",
            "country_code": "US",
            "telephone_number": "903-991-4569",
            "fax_number": "430-227-8328",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "O'CONNOR",
        "first_name": "DEVOR",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-06-21",
        "last_updated": "2026-08-20",
        "certification_date": "2026-08-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "TX",
            "license": "W5905",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Obieze Chiemeka Nwanna-Nzewunwa, MBBS, MS
• Uchechukwu Nwasuruba
• Nway Nway, MD
• Chinazaekpele Nweke
• Judith Nwosu
• Oak Bridge Counseling, PLLC
• Ryan Scott Oakley, LPC
• Christa Oberthier, LPC
• Joshua James Obholz, M.D.
• Occupational Health Centers of the Southwest P.a. (Concentra Medical Center)

• Dermatology Physician in Longview, TX
• Providers in Longview, TX by specialty
• Dermatology Physician in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 20, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.