Gregory S Jacob, DDS

Primary specialty

DentistTaxonomy code 122300000X

License

019019708 Issued in IL

Practice address

9672 Reding Cir
Des Plaines, IL 60016-1551

Phone

(630) 347-0883

NPI assigned

Oct 24, 2005

Sex

Male

Sole proprietor

Yes

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

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

{
    "created_epoch": "1130112000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783296000000",
    "number": "1992795710",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9672 REDING CIR",
            "city": "DES PLAINES",
            "state": "IL",
            "postal_code": "600161551",
            "telephone_number": "630-347-0883",
            "fax_number": "847-724-2113"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9672 REDING CIR",
            "city": "DES PLAINES",
            "state": "IL",
            "postal_code": "600161551",
            "telephone_number": "630-347-0883"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JACOB",
        "first_name": "GREGORY",
        "middle_name": "S",
        "name_prefix": "Dr.",
        "credential": "DDS",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2005-10-24",
        "last_updated": "2026-07-06",
        "certification_date": "2026-07-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "WI",
            "license": "593215",
            "primary": false
        },
        {
            "code": "122300000X",
            "taxonomy_group": "",
            "desc": "Dentist",
            "state": "IL",
            "license": "019019708",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Vicki Lynn Ivins, M.S., CCC-SLP
• Madhu Mia Iyer, DC
• Mohammed Saim Jabbar, D.D.S.
• Marvin William Jackson, MD, MS
• Ann Elizabeth Jacob, PHARM D
• William Louis Jacobs
• Michelle Lynn Jacobsberg
• Samarjit S Jaglan, M.D.
• Joseph O Jaiyeoba, N/A
• Jama Medical Equipment LLC

• Dentist in Des Plaines, IL
• Providers in Des Plaines, IL by specialty
• Dentist in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 6, 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.