NPIMap

Individual provider Active NPI

Joshua Stephen Day, MD

  • Surgery Physician
  • Louisville, KY
National Provider Identifier
1316434541
Registry record updated Oct 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgery PhysicianTaxonomy code 208600000X
License
58645 Issued in KY
Practice address
4950 Norton Healthcare Blvd Ste 300
Louisville, KY 40241-2848
Phone
(502) 394-6395
Fax
(502) 394-6396
NPI assigned
Apr 13, 2018
Last updated
Oct 12, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 12, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Student in an Organized Health Care Education/Training Program 390200000X NU
Gastroenterology Physician 207RG0100X 58645 KY
Surgery Physician 208600000X 38699 AL
Surgery Physician 208600000X 58645 KY Primary

Addresses

Primary practice location

4950 Norton Healthcare Blvd Ste 300
Louisville, KY 40241-2848

Mailing address

PO Box 776351
Chicago, IL 60677-6351
Phone (502) 975-2214

Other practice location 1

601 S Floyd St Ste 220
Louisville, KY 40202-1835
Phone (502) 583-8303

Other identifiers 2

IdentifierTypeStateIssuer
300098269MedicaidIN
7100930680MedicaidKY

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in KY
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20241114002339 KY Practitioner - General SurgeryPractitioner - Gastroenterology 9638603509 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
General SurgeryAlso: Gastroenterology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Community Medical Associates IncGroup PAC ID 7012811284, 1,368 clinicians

Practice addresses (Care Compare)

9880 Angies Way
Suite 170
Louisville, KY 40241-2863
Phone (502) 899-6470

Hospital & facility affiliations

Procedures performed for Medicare patients

ProcedureNumber of procedures
Colonoscopy16
Hernia repair - groin (open)1-10
Hernia repair (minimally invasive)1-10
Upper gastrointestinal (GI) endoscopy for acid reflux128

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
38699ALMDSurgery Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Community Medical Associates, Inc. Current Accepting new patients
Community Medical Associates, Inc. CurrentSince Dec 1, 2024 Accepting new patients
Community Medical Associates, Inc. Surgery CurrentSince Dec 1, 2024 Accepting new patients
Norton Hospitals, Inc PastSince Oct 27, 2024 Accepting new patients

Locations

825 Barret Ave
Louisville, KY 40204
Phone (502) 272-5165

9880 Angies Way
Ste 170
Louisville, KY 40241
Phone (502) 629-5455

Interoperability endpoints

  • Direct secure messaging: jday270899@direct.nortonhealthcare.org

Organizations & group practices 4

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.

Hospital & facility affiliations 14

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1523577600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791763200000",
    "number": "1316434541",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 776351",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606776351",
            "telephone_number": "502-975-2214",
            "fax_number": "502-272-5339"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4950 NORTON HEALTHCARE BLVD STE 300",
            "city": "LOUISVILLE",
            "state": "KY",
            "postal_code": "402412848",
            "telephone_number": "502-394-6395",
            "fax_number": "502-394-6396"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "601 S Floyd St Ste 220",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "402021835",
            "country_code": "US",
            "telephone_number": "502-583-8303",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DAY",
        "first_name": "JOSHUA",
        "middle_name": "STEPHEN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-13",
        "last_updated": "2026-10-12",
        "certification_date": "2026-10-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "KY",
            "license": "58645",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "AL",
            "license": "38699",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "KY",
            "license": "58645",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "300098269",
            "state": "IN"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "7100930680",
            "state": "KY"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Louisville, KY

Sources for this page

Verify at the official NPI Registry.