Synchronous LLC

Primary specialty

EndodonticsTaxonomy code 1223E0200X

Legal business name

SYNCHRONOUS LLC

Practice address

16679 Boones Ferry Rd Ste 205
Lake Oswego, OR 97035-4368

Phone

(503) 635-2100

Fax

(503) 635-9188

NPI assigned

Mar 23, 2026

Organization subpart

No

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

Authorized official

Name

Dr. Khuyen Nguyen, DMD

Title

Owner

Phone

(503) 875-3055

Specialties & licenses 1

Addresses

Other names 2

• Longview Endodontics Doing business as
• Pacific Endodontics Doing business as

Locations

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Paul Peter Ortner IV, DDS, CAGS

  • Endodontics
  • Lake Oswego, OR
  • NPI 1568476406
  NPD (past)
• Suzanne Megenity, DDS

  • Endodontics
  • Longview, WA
  • NPI 1669819413
  NPD (past)

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

{
    "created_epoch": "1774224000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1774224000000",
    "number": "1093653099",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "16679 BOONES FERRY RD STE 205",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970354368",
            "telephone_number": "503-635-2100",
            "fax_number": "503-635-9188"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "16679 BOONES FERRY RD STE 205",
            "city": "LAKE OSWEGO",
            "state": "OR",
            "postal_code": "970354368",
            "telephone_number": "503-635-2100",
            "fax_number": "503-635-9188"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1801 1st Ave Ste 2A",
            "address_purpose": "LOCATION",
            "city": "Longview",
            "state": "WA",
            "postal_code": "986323271",
            "country_code": "US",
            "telephone_number": "360-423-4313",
            "fax_number": "360-425-1965",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "SYNCHRONOUS LLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-03-23",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A",
        "authorized_official_last_name": "NGUYEN",
        "authorized_official_first_name": "KHUYEN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "503-875-3055",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DMD"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Dentist, Endodontics",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Longview Endodontics",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Pacific Endodontics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

• Judith A Swanson, M.S.W.
• Sarah Elizabeth Swanson
• Miracle Tumi Swigart, L.AC.
• Tyler Shadoe Swim, LMT
• Amanda L Swinehart, NNP
• Jaime Ta
• Tabor Industries, Inc
• Gareth Aubrey Tabor, M.D.
• Lynneah Tadano
• Jamie Talbo, PHARMD

• Endodontics in Lake Oswego, OR
• Providers in Lake Oswego, OR by specialty
• Endodontics in Oregon

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.