Gilliam Endodontics, PLLC

Primary specialty

EndodonticsTaxonomy code 1223E0200X

Legal business name

GILLIAM ENDODONTICS, PLLC

Practice address

5901 N Lidgerwood St Ste 233
Spokane, WA 99208-1122

Phone

(509) 381-5881

NPI assigned

Jun 15, 2026

Last updated

Jun 15, 2026By the provider in NPPES

Organization subpart

No

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

Authorized official

Name

Dr. Robert Nathan Gilliam, DMDNPI 1710090865

Title

Owner/Endodontist

Phone

(509) 381-5881

Specialties & licenses 1

Addresses

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• Robert Nathan Gilliam, D.M.D.

  • Endodontics
  • Fort Sill, OK
  • NPI 1710090865
  NPD Authorized official

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

{
    "created_epoch": "1781481600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1781481600000",
    "number": "1871428540",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5901 N LIDGERWOOD ST STE 233",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992081122",
            "telephone_number": "509-381-5881"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5901 N LIDGERWOOD ST STE 233",
            "city": "SPOKANE",
            "state": "WA",
            "postal_code": "992081122",
            "telephone_number": "509-381-5881"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "GILLIAM ENDODONTICS, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-15",
        "last_updated": "2026-06-15",
        "certification_date": "2026-06-15",
        "status": "A",
        "authorized_official_last_name": "GILLIAM",
        "authorized_official_first_name": "ROBERT",
        "authorized_official_middle_name": "NATHAN",
        "authorized_official_title_or_position": "OWNER/ENDODONTIST",
        "authorized_official_telephone_number": "509-381-5881",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "DMD"
    },
    "taxonomies": [
        {
            "code": "1223E0200X",
            "taxonomy_group": "",
            "desc": "Dentist, Endodontics",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cathleen Gillespie
• Cheyenne Danielle Gillespie
• Hal Gillespie, MD
• Kathryn Cey Gillespie, DPT
• Anne Kayla Gillette, MS, LMHC-A, LPC, NCC
• Jayme Kristina Gilliam, MOTR/L, CHT
• George A Gillis, LICENSED PRACTICAL N
• Leigh Gilliver, PA
• Michael D Gillum, MD
• Shannon Gilman, BEHAVIOR SUPPORT

• Endodontics in Spokane, WA
• Providers in Spokane, WA by specialty
• Endodontics in Washington

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 15, 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.