Dennis Berg, DDS

Primary specialty

PeriodonticsTaxonomy code 1223P0300X

License

48592 Issued in NY

Practice address

1 Suffolk SQ.
Ste 200
Islandia, NY 11749

Phone

(631) 348-7777

Fax

(631) 348-7794

NPI assigned

Oct 10, 2006

Last updated

Sep 11, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Exceldent Dental of Islandia, LLP

  • General Practice Dentistry
  • Islandia, NY
  • NPI 1497963912
  NPD (past) Authorized official

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

{
    "created_epoch": "1160438400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1881782324",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1601 VETERANS MEMMORIAL HWY",
            "address_2": "STE 200",
            "city": "ISLANDIA",
            "state": "NY",
            "postal_code": "11749",
            "telephone_number": "631-348-7777",
            "fax_number": "631-348-7794"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 SUFFOLK SQ.",
            "address_2": "STE 200",
            "city": "ISLANDIA",
            "state": "NY",
            "postal_code": "11749",
            "telephone_number": "631-348-7777",
            "fax_number": "631-348-7794"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BERG",
        "first_name": "DENNIS",
        "credential": "DDS",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-10",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "NY",
            "license": "46370",
            "primary": false
        },
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "NY",
            "license": "48592",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Aubrey Wilson Massage Therapist P.C.
• Heather Auer, OT
• Kristina Balsano
• Kathleen Ann Baroletti, RN
• Laura B Bennett, M.D.
• Eric J Bergson, M.D.
• Stuart M Berman, M.D.
• Angelica Maria Berrios, LMHC
• Jennifer Lynn Bie
• BJ's Wholesale Club Inc.

• Periodontics in Islandia, NY
• Providers in Islandia, NY by specialty
• Periodontics in New York

• 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.