Sydney Page Harnden Larsen, DMD

Primary specialty

DentistTaxonomy code 122300000X

License

6925 Issued in AL

Practice address

4000 Balmoral Dr SW Ste 102
Huntsville, AL 35801-7431

Phone

(256) 429-3870

NPI assigned

Feb 16, 2021

Sex

Female

Sole proprietor

Yes

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

State licenses

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.

• CD Tennessee Dental, P.C.

  dba Radiant Smiles Dentistry

  • General Practice Dentistry
  • Franklin, TN
  • NPI 1699324194
  NPD
• CD Tennessee Dental, P.C.

  dba Brentwood Dental Group

  • Dentist
  • Brentwood, TN
  • NPI 1962978742
  NPD (past)

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

{
    "created_epoch": "1613433600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782950400000",
    "number": "1407449937",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4000 BALMORAL DR SW STE 102",
            "city": "HUNTSVILLE",
            "state": "AL",
            "postal_code": "358017431"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4000 BALMORAL DR SW STE 102",
            "city": "HUNTSVILLE",
            "state": "AL",
            "postal_code": "358017431",
            "telephone_number": "256-429-3870"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LARSEN",
        "first_name": "SYDNEY",
        "middle_name": "PAGE HARNDEN",
        "credential": "DMD",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2021-02-16",
        "last_updated": "2026-07-02",
        "certification_date": "2026-07-02",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist",
            "state": "AL",
            "license": "6925",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emily Rachel Lapidus
• Regina Lard
• Nabilah Fairuz Lari, M.D.
• Taryn Larkin-Warren
• Michael Larkins, CRNP
• Linnea Michelle Larson-Williams, M.D.
• Kenda Badgett Lasater, PHARM.D.
• Laser Eye Center PC
• Andrew David Lash, CRNP
• Alayne C Lasher, M.D.

• Dentist in Huntsville, AL
• Providers in Huntsville, AL by specialty
• Dentist in Alabama

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 2, 2026; 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.