Active NPI
Douglas Alan Nelson, M.D.
- Medical Oncology Physician
- Louisville, KY
National Provider Identifier
1497720049
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Medical Oncology Physician
- License
- 56196
- Practice address
- 676 S Floyd St Ste 200
Louisville, KY 40202-1840 - Phone
- (502) 629-4440
- Fax
- (502) 629-4445
- NPI assigned
- Feb 17, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Hematology (Internal Medicine) Physician | 207RH0000X | 56196 | KY | |
| Medical Oncology Physician | 207RX0202X | 56196 | KY | Primary |
Addresses
Primary practice location
676 S Floyd St Ste 200
Louisville, KY 40202-1840
Mailing address
PO Box 776347
Chicago, IL 60677-6347
Phone (502) 272-5052
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 56196 | Other | KY | STATE LICENSE |
| 202787201 (MDACC) | Medicaid | TX | |
| 8V4667 | Other | TX | BCBS (MDACC) |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | dnelson223480@direct.nortonhealthcare.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN, KY
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 2
Care Compare profile
Medicare Care Compare- Specialty
- Medical Oncology
- Education
- Uniformed Services Uhs Fe Hebert School of Med, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1473 N Gardner St
Norton Cancer Institute
Scottsburg, IN 47170-7751
Phone (812) 752-8592
676 S Floyd St
Suite 200
Louisville, KY 40202-1840
Phone (502) 629-2806
Hospital & facility affiliations
- Norton Hospitals, Inc
- UOFL HEALTH - JEWISH HOSPITAL and Mary & Elizabeth Hospital
- Norton Clark Hospital
- Baptist Health Lagrange
- Owensboro Health Twin Lakes Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.73 of 100
- Quality
- 73.7
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 60.18
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 56196 | KY | MD | Medical Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Norton Hospitals, Inc | Current | Accepting new patients | |
| Norton Hospitals Inc | Current | Accepting new patients |
Locations
245 Atwood St
Corydon, IN 47112
Phone (812) 734-0912
1473 N Gardner St
Scottsburg, IN 47170
Phone (812) 752-0844
676 S Floyd St
Ste 200
Louisville, KY 40202
Phone (502) 629-2500
315 E Broadway
Louisville, KY 40202
Phone (502) 272-5331
8033 Dixie Hwy
Louisville, KY 40258
Phone (502) 937-3154
315 E Broadway
Fl 4
Louisville, KY 40202
Phone (502) 272-5165
438 Adam Shepherd Pkwy
Ste 1
Shepherdsville, KY 40165
Phone (502) 543-1055
Interoperability endpoints
- dnelson122289@direct.houstonmethodist.org
- dnelson223480@direct.nortonhealthcare.org
- dnelson14206@utmdandersoncc.direct-ci.com
Organizations & group practices 2
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Pain Medicine Physician
- Louisville, KY
- NPI 1548152242
Hospital & facility affiliations 39
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- La Grange, KY
- NPI 1306925540
-
- General Acute Care Hospital
- Louisville, KY
- NPI 1043348808
-
- General Acute Care Hospital
- Louisville, KY
- NPI 1447388335
-
- General Acute Care Hospital
- Louisville, KY
- NPI 1699514463
-
- General Acute Care Hospital
- Louisville, KY
- NPI 1831195908
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1140134400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783641600000",
"number": "1497720049",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 776347",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606776347",
"telephone_number": "502-272-5052",
"fax_number": "502-629-6217"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "676 S FLOYD ST STE 200",
"city": "LOUISVILLE",
"state": "KY",
"postal_code": "402021840",
"telephone_number": "502-629-4440",
"fax_number": "502-629-4445"
}
],
"practiceLocations": [],
"basic": {
"last_name": "NELSON",
"first_name": "DOUGLAS",
"middle_name": "ALAN",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-02-17",
"last_updated": "2026-07-10",
"certification_date": "2026-07-10",
"status": "A"
},
"taxonomies": [
{
"code": "207RH0000X",
"taxonomy_group": "",
"desc": "Internal Medicine, Hematology",
"state": "KY",
"license": "56196",
"primary": false
},
{
"code": "207RX0202X",
"taxonomy_group": "",
"desc": "Internal Medicine, Medical Oncology",
"state": "KY",
"license": "56196",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "STATE LICENSE",
"identifier": "56196",
"state": "KY"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "202787201 (MDACC)",
"state": "TX"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS (MDACC)",
"identifier": "8V4667",
"state": "TX"
}
],
"endpoints": [
{
"endpointType": "DIRECT",
"endpointTypeDescription": "Direct Messaging Address",
"endpoint": "dnelson223480@direct.nortonhealthcare.org",
"affiliation": "N",
"use": "DIRECT",
"useDescription": "Direct",
"address_1": "676 S Floyd St Ste 200",
"city": "Louisville",
"state": "KY",
"country_code": "US",
"postal_code": "402021840",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}Other providers in Louisville, KY
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 10, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.