Organization Active NPI

Kristian Lundgren Koszeghy DMD MMSC Inc

  • Oral and Maxillofacial Surgery (Dentist)
  • Palo Alto, CA
National Provider Identifier
1881604494
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Oral and Maxillofacial Surgery (Dentist)Taxonomy code 1223S0112X
License
51967 Issued in CA
Legal business name
KRISTIAN LUNDGREN KOSZEGHY DMD MMSC INC
Practice address
850 Middlefield Rd
Ste #1
Palo Alto, CA 94301
Phone
(650) 326-1400
Fax
(650) 326-2909
NPI assigned
Aug 8, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

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

Authorized official

Name
Kristian Lundgren-Koszeghy, DMD MMSC
Title
Periodontist
Phone
(650) 326-1400

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
PeriodonticsGroup: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 1223P0300X 51967 CA
Oral and Maxillofacial Surgery (Dentist)Group: 193400000X MULTIPLE SINGLE SPECIALTY GROUP 1223S0112X 51967 CA Primary

Addresses

Primary practice location

850 Middlefield Rd
Ste #1
Palo Alto, CA 94301

Mailing address

850 Middlefield Rd
Ste #1
Palo Alto, CA 94301
Phone (650) 326-1400

National Provider Directory

National Provider Directory

Locations

850 Middlefield Rd
Ste 1
Palo Alto, CA 94301
Phone (650) 326-1400

NPI Registry JSON

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

{
    "created_epoch": "1154995200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1881604494",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "850 MIDDLEFIELD RD",
            "address_2": "STE #1",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "94301",
            "telephone_number": "650-326-1400",
            "fax_number": "650-326-2909"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "850 MIDDLEFIELD RD",
            "address_2": "STE #1",
            "city": "PALO ALTO",
            "state": "CA",
            "postal_code": "94301",
            "telephone_number": "650-326-1400",
            "fax_number": "650-326-2909"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "KRISTIAN LUNDGREN KOSZEGHY DMD MMSC INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-08-08",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "LUNDGREN-KOSZEGHY",
        "authorized_official_first_name": "KRISTIAN",
        "authorized_official_title_or_position": "PERIODONTIST",
        "authorized_official_telephone_number": "650-326-1400",
        "authorized_official_credential": "DMD MMSC"
    },
    "taxonomies": [
        {
            "code": "1223P0300X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Dentist, Periodontics",
            "state": "CA",
            "license": "51967",
            "primary": false
        },
        {
            "code": "1223S0112X",
            "taxonomy_group": "193400000X MULTIPLE SINGLE SPECIALTY GROUP",
            "desc": "Dentist, Oral and Maxillofacial Surgery",
            "state": "CA",
            "license": "51967",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Palo Alto, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; 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.