Oliver L Gregory MD

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

Legal business name

OLIVER L GREGORY MD

Practice address

7345 Courage Way Ste 101
Chattanooga, TN 37421-1555

Phone

(423) 602-9797

Fax

(423) 602-9796

NPI assigned

Jul 13, 2026

Last updated

Jul 30, 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

Oliver Gregory, MDNPI 1588772545

Title

MD/ Owner

Phone

(423) 602-9797

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.

• Oliver Lee Gregory, M.D.

  • Psychiatry Physician
  • Chattanooga, TN
  • NPI 1588772545
  Authorized official Same address or phone

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

{
    "created_epoch": "1783900800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1785369600000",
    "number": "1700705829",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7345 COURAGE WAY STE 101",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374211555",
            "telephone_number": "423-602-9797",
            "fax_number": "423-602-9796"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7345 COURAGE WAY STE 101",
            "city": "CHATTANOOGA",
            "state": "TN",
            "postal_code": "374211555",
            "telephone_number": "423-602-9797",
            "fax_number": "423-602-9796"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "OLIVER L GREGORY MD",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-07-13",
        "last_updated": "2026-07-30",
        "certification_date": "2026-07-30",
        "status": "A",
        "authorized_official_last_name": "GREGORY",
        "authorized_official_first_name": "OLIVER",
        "authorized_official_title_or_position": "MD/ OWNER",
        "authorized_official_telephone_number": "423-602-9797",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• John W Oldham, LCSW
• Gregory D. Olds, MD
• Sarah K Olds, NP-C
• Andrew Stuart Olinger, MD
• Rebecca S Olive, CRNA
• Brandilyn Oliver, R.N.
• Emily Oliver, LMFT
• Jodi D Oliver
• Kiana Grace Oliver
• Robert Oliver

• Psychiatry Physician in Chattanooga, TN
• Providers in Chattanooga, TN by specialty
• Psychiatry Physician in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 30, 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.