Individual provider Active NPI

Gregory Ryan Ingalsbe

  • Periodontics
  • Wilmington, DE
National Provider Identifier
1780367920
Registry record updated Aug 24, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
PeriodonticsTaxonomy code 1223P0300X
License
G1-0011670 Issued in DE
Practice address
3105 Limestone Rd Ste 203
Wilmington, DE 19808-2151
Phone
(302) 995-6979
NPI assigned
Aug 14, 2023
Last updated
Aug 24, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 24, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Periodontics 1223P0300X G1-0011670 DE Primary

Addresses

Primary practice location

3105 Limestone Rd Ste 203
Wilmington, DE 19808-2151

Mailing address

17132 Jolene Landing CT
Milton, DE 19968-3965
Phone (484) 661-7193

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
7955NEMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Unmc College of Dentistry PastSince Aug 27, 2023 Accepting new patients
Freedom Dental Select de LLC Periodontics PastSince Aug 25, 2025 Accepting new patients
Richard E. Chodroff, D.M.D. Periodontics Past Accepting new patients

Organizations & group practices 3

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.

NPI Registry JSON

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

{
    "created_epoch": "1691971200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787529600000",
    "number": "1780367920",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "17132 JOLENE LANDING CT",
            "city": "MILTON",
            "state": "DE",
            "postal_code": "199683965",
            "telephone_number": "484-661-7193"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3105 LIMESTONE RD STE 203",
            "city": "WILMINGTON",
            "state": "DE",
            "postal_code": "198082151",
            "telephone_number": "302-995-6979"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "INGALSBE",
        "first_name": "GREGORY",
        "middle_name": "RYAN",
        "name_prefix": "Dr.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-08-14",
        "last_updated": "2026-08-24",
        "certification_date": "2026-08-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223P0300X",
            "taxonomy_group": "",
            "desc": "Dentist, Periodontics",
            "state": "DE",
            "license": "G1-0011670",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Wilmington, DE

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 24, 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.