Organization Active NPI

Ylg Endodontics LLC

Doing business as Omni Endodontics

  • Endodontics
  • Arlington, VA
National Provider Identifier
1790599405
Registry record updated Jan 3, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
EndodonticsTaxonomy code 1223E0200X
Legal business name
YLG ENDODONTICS LLC
Doing business as
Omni Endodontics
Practice address
2700 S Quincy St Ste 325
Arlington, VA 22206-2242
Phone
(703) 828-8188
Fax
(703) 828-8187
NPI assigned
Feb 3, 2025
Last updated
Jan 3, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 3, 2026

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

Authorized official

Name
Dr. Nicholas Everett Leon-Guerrero, DDSNPI 1972979607
Title
Owner
Phone
(703) 828-8188

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Endodontics 1223E0200X Primary

Addresses

Primary practice location

2700 S Quincy St Ste 325
Arlington, VA 22206-2242

Mailing address

6906 Willow St
Falls Church, VA 22046-2220

Other names 1

  • Omni Endodontics Doing business as

National Provider Directory

National Provider Directory

Locations

953 Russell Ave
Ste A
Gaithersburg, MD 20879
Phone (301) 963-6688

2700 S Quincy St
Ste 325
Arlington, VA 22206
Phone (703) 828-8188

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1738540800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1767398400000",
    "number": "1790599405",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6906 WILLOW ST",
            "city": "FALLS CHURCH",
            "state": "VA",
            "postal_code": "220462220"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2700 S QUINCY ST STE 325",
            "city": "ARLINGTON",
            "state": "VA",
            "postal_code": "222062242",
            "telephone_number": "703-828-8188",
            "fax_number": "703-828-8187"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "YLG ENDODONTICS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-02-03",
        "last_updated": "2026-01-03",
        "certification_date": "2026-01-03",
        "status": "A",
        "authorized_official_last_name": "LEON-GUERRERO",
        "authorized_official_first_name": "NICHOLAS",
        "authorized_official_middle_name": "EVERETT",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "703-828-8188",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DDS"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Omni Endodontics",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Omni Endodontics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Arlington, VA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 3, 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.