Gentry Alan Nielson, DMD

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

4177 Issued in TX

Practice address

6902 Southwest Fwy
Houston, TX 77074-2106

Phone

(281) 656-1011

NPI assigned

Jul 15, 2025

Last updated

Jul 18, 2025By the provider in NPPES

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

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• South West Freeway Family Dentistry, PLLC

  • General Practice Dentistry
  • Houston, TX
  • NPI 1700472099
  NPD
• Synthesis Renovo Dentistry, PLLC

  • General Practice Dentistry
  • Houston, TX
  • NPI 1700702974
  NPD (past)

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

{
    "created_epoch": "1752537600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1752796800000",
    "number": "1366333494",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5800 N INTERSTATE 35 STE 205",
            "city": "DENTON",
            "state": "TX",
            "postal_code": "762071438",
            "telephone_number": "940-220-7833"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6902 SOUTHWEST FWY",
            "city": "HOUSTON",
            "state": "TX",
            "postal_code": "770742106",
            "telephone_number": "281-656-1011"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "NIELSON",
        "first_name": "GENTRY",
        "middle_name": "ALAN",
        "credential": "DMD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2025-07-15",
        "last_updated": "2025-07-18",
        "certification_date": "2025-07-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "TX",
            "license": "4177",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Stewart Lee Niefield, MD
• David Niekamp, D.C., NP-C
• Michelle E Nielsen-Guerrero, M.S. CCC-SLP
• Anton Peter Nielsen, M.D.
• Julia Nielsen, MD
• Carrie Ann Niemeyer-Teague
• Chad Robert Niemeyer, M.D.
• Mary Catherine Niemeyer, CRNA
• Matthew Nierling, MD
• Jenna Kettler Niesner, OTR

• General Practice Dentistry in Houston, TX
• Providers in Houston, TX by specialty
• General Practice Dentistry in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 18, 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.