Organization Active NPI

Best Sleep DDS

  • Dentist
  • Newport Beach, CA
National Provider Identifier
1710839394
Registry record updated Mar 2, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
DentistTaxonomy code 122300000X
Legal business name
BEST SLEEP DDS
Practice address
4221 Macarthur Blvd Ste B3
Newport Beach, CA 92660-2016
Phone
(949) 620-5262
Fax
(949) 620-5272
NPI assigned
Feb 13, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Mar 2, 2026

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

Authorized official

Name
Thomas Lynn Alexander, DDS
Title
Sole Proprietorship/Owner
Phone
(949) 620-5262

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
DentistGroup: 193200000X MULTI-SPECIALTY GROUP 122300000X Primary
Customized Equipment (DME) 332BC3200X

Addresses

Primary practice location

4221 Macarthur Blvd Ste B3
Newport Beach, CA 92660-2016

Mailing address

4221 Macarthur Blvd Ste B3
Newport Beach, CA 92660-2016
Phone (949) 620-5262

National Provider Directory

National Provider Directory

Locations

4221 MacArthur Blvd
Ste B3
Newport Beach, CA 92660
Phone (855) 996-3872

NPI Registry JSON

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

{
    "created_epoch": "1770940800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1772409600000",
    "number": "1710839394",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4221 MACARTHUR BLVD STE B3",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602016",
            "telephone_number": "949-620-5262",
            "fax_number": "949-620-5272"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4221 MACARTHUR BLVD STE B3",
            "city": "NEWPORT BEACH",
            "state": "CA",
            "postal_code": "926602016",
            "telephone_number": "949-620-5262",
            "fax_number": "949-620-5272"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "BEST SLEEP DDS",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-13",
        "last_updated": "2026-03-02",
        "certification_date": "2026-03-02",
        "status": "A",
        "authorized_official_last_name": "ALEXANDER",
        "authorized_official_first_name": "THOMAS",
        "authorized_official_middle_name": "LYNN",
        "authorized_official_title_or_position": "SOLE PROPRIETORSHIP/OWNER",
        "authorized_official_telephone_number": "949-620-5262",
        "authorized_official_credential": "DDS"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Dentist",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "332BC3200X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies, Customized Equipment",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Newport Beach, CA

Sources for this page

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