DOUGLAS ALAN NELSON (M.D.) – Medical Oncology Physician, NPI 1497720049
Medical Oncology Physician
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
72 MEDICAL ONCOLOGY in KY
Provider Addresses for DOUGLAS ALAN NELSON (M.D.)
676 S FLOYD ST STE 200
LOUISVILLE, KY 402021840
Phone: (502) 629-4440
Fax: (502) 629-4445
Type: Location
PO BOX 776347
CHICAGO, IL 606776347
Phone: (502) 272-5052
Fax: (502) 629-6217
Type: Mailing
Houston Post Office, 123, South Main Street, Houston, Washington County, Pennsylvania, 15342, United States
HOUSTON, TX 772104439
Phone: (713) 792-2991
Type: Mailing
University of Texas MD Anderson Cancer Center, 1515, Holcombe Boulevard, Texas Medical Center, Houston, Harris County, Texas, 77030, United States
HOUSTON, TX 770304009
Phone: (713) 792-6161
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 16 Open Payments records for all available years, with a total value of $3,962.
Total Amount is formed as General ($3,962) + Research ($0) + Ownership ($0) = $3,962.
Last reported payment date: 2024-12-04 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($1,245).
Total Amount
$3,962
General + Research + Ownership
Payments
16
Total payment records
General Amount
$3,962
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-04
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $1,245 |
| TAIHO ONCOLOGY, INC. | $1,130 |
| Bayer Healthcare Pharmaceuticals Inc. | $532 |
| Genentech, Inc. | $525 |
| GlaxoSmithKline, LLC. | $121 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2022-01-10
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 2 Medicare enrollment records; no due dates published yet.
Enrollment records
2
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20211228001590 | I | Medical Oncology | IN | TBD |
| I20220110001801 | I | Medical Oncology | KY | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 371 | 79 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 314 | 149 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 129 | 48 | $0 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 97 | 47 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 71 | 54 | $0 |
Insurance plans in this area (ZIP 40202)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Radiation Oncology | KY | |
| Nurse Practitioner | KY | |
| Medical Oncology | KY | |
| Gynecological Oncology | NY | |
| Nurse Practitioner | IL | |
| Anesthesiology, Pain Management, Pain Management | KY | |
| Internal Medicine, Hematology/Oncology | OH | |
| Physician Assistant | KY | |
| O B S T E T R I C S/ G Y N E C O L O G Y | KY | |
| - | IL |
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