DR. DON RYAN DUFF (MD) – Nephrology Physician, NPI 1154325900
Nephrology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
2,216 INTERNAL MEDICINE in KY
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Provider Addresses for DR. DON RYAN DUFF (MD)
Dutchmans Lane, Louisville, Jefferson County, Kentucky, 40207, United States
LOUISVILLE, KY 402074745
Phone: (502) 365-2655
Fax: (502) 365-2770
Type: Mailing
727 Mount Tabor Rd Ste A
New Albany, IN 471506951
Phone: (812) 981-3111
Fax: (812) 981-3829
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $38.
Total Amount is formed as General ($38) + Research ($0) + Ownership ($0) = $38.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Travere Therapeutics, Inc. ($19).
Total Amount
$38
General + Research + Ownership
Payments
3
Total payment records
General Amount
$38
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Travere Therapeutics, Inc. | $19 |
| Novo Nordisk Inc | $19 |
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: 2011-01-21
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
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 |
|---|---|---|---|---|
| I20110121000284 | I | Internal Medicine | 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 |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,076 | 165 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 478 | 392 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 205 | 149 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 167 | 137 | $0 |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 151 | 92 | $0 |
Insurance plans in this area (ZIP 40207)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Internal Medicine, Nephrology | KY | |
| Nurse Practitioner | KY | |
| Nurse Practitioner | KY | |
| Nurse Practitioner | IN | |
| Nurse Practitioner | KY | |
| Nurse Practitioner | KY | |
| Nurse Practitioner | KY | |
| N E P H R O L O G Y | KY | |
| Nurse Practitioner | KY | |
| Internal Medicine, Nephrology | KY |
Reviews
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