Dennis Tam Nguyen, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

42607 Issued in TX

Practice address

5439 Ray Ellison Blvd
San Antonio, TX 78242-2219

Phone

(210) 922-7000

Fax

(210) 924-1374

NPI assigned

Jul 2, 2026

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1782950400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784246400000",
    "number": "1700703527",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3750 COMMERCIAL AVE",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782213117",
            "telephone_number": "210-922-7000",
            "fax_number": "210-924-1374"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5439 RAY ELLISON BLVD",
            "city": "SAN ANTONIO",
            "state": "TX",
            "postal_code": "782422219",
            "telephone_number": "210-922-7000",
            "fax_number": "210-924-1374"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9011 Poteet Jourdanton Fwy",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782242124",
            "country_code": "US",
            "telephone_number": "210-922-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5542 Walzem Rd",
            "address_purpose": "LOCATION",
            "city": "Windcrest",
            "state": "TX",
            "postal_code": "782182103",
            "country_code": "US",
            "telephone_number": "210-922-7000",
            "fax_number": "210-924-1374",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3750 Commercial Ave",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782213117",
            "country_code": "US",
            "telephone_number": "210-922-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "910 Wagner Ave",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782113213",
            "country_code": "US",
            "telephone_number": "210-922-7000",
            "fax_number": "210-924-1374",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4300 Thousand Oaks Dr Ste 103&104",
            "address_purpose": "LOCATION",
            "city": "San Antonio",
            "state": "TX",
            "postal_code": "782172152",
            "country_code": "US",
            "telephone_number": "210-922-7000",
            "fax_number": "210-924-1374",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "NGUYEN",
        "first_name": "DENNIS",
        "middle_name": "TAM",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-07-02",
        "last_updated": "2026-07-17",
        "certification_date": "2026-07-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "TX",
            "license": "42607",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "TX",
            "license": "42607",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "STATE DENTAL LICENSE NUMBER",
            "identifier": "42607",
            "state": "TX"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Cynthia N Nguyen, PHARMD
• Dai Nguyen, MD
• Dan Nguyen, DMD
• Danh Thanh Nguyen
• Daniel Nguyen
• Derek Nguyen
• Diep Nguyen
• Donna Nguyen, M.D.
• Donna Myhuong Nguyen
• Duy Cao Nguyen, M.D.

• Dentist in San Antonio, TX
• Providers in San Antonio, TX by specialty
• Dentist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 17, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.