Doctor profile · Federal record
Dr. Don Duff, MD
Nephrology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Louisville, KY
- NPI 1154325900
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 40 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
3999 Dutchmans Ln Ste 4A
Louisville, KY 402074745
(502) 365-2655
fax (502) 365-2770 - Additional location
-
727 Mount Tabor RD Ste A
New Albany, IN 471506951
(812) 981-3111
fax (812) 981-3829
Credentials & registration
- NPI registered
- June 2005 — 21 yrs on file
- Profile last updated
- August 27, 2024
- Year of graduation
- 1986 — 40 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Kentucky #25228
- Medicaid (2)
- KY #64252281 · IN #200014920A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154325900. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,682
Distinct HCPCS
10
Medicare allowed
$289,012
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 1,076 | 165 | $76 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 478 | 392 | $85 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 205 | 149 | $121 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 167 | 137 | $125 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 151 | 92 | $48 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 104 | 104 | $158 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 100 | 33 | $276 | |
90962 |
Dialysis services, 1 physician visit per month (20 years or older) | 95 | 28 | $193 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 90 | 75 | $80 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 74 | 74 | $106 |
In context: peer comparison
Among 25 peers in this city , average services per provider: 172. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$38
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Travere Therapeutics, Inc. | 2 | $19.27 | |
| Novo Nordisk Inc | 1 | $18.80 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,180
Patients
737
Total drug cost
$36,858
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 421 | 141 | $2,270 |
| Losartan Potassium | Generic | 396 | 129 | $4,875 |
| Amlodipine Besylate | Generic | 286 | 99 | $1,736 |
| Torsemide | Generic | 195 | 67 | $8,465 |
| Metoprolol Succinate | Generic | 185 | 70 | $3,973 |
| Potassium Chloride | Generic | 149 | 45 | $3,874 |
| Hydralazine Hcl | Generic | 95 | 35 | $1,700 |
| Tamsulosin Hcl | Generic | 84 | 25 | $1,536 |
| Carvedilol | Generic | 74 | 26 | $701 |
| Allopurinol | Generic | 58 | 19 | $828 |
Hospital affiliations
Frequently asked questions
What is Dr. Don Duff's medical specialty?
Dr. Don Duff practices Nephrology Physician in Louisville, KY.
Where does Dr. Don Duff practice?
Dr. Don Duff practices at 3999 Dutchmans Ln Ste 4A, Louisville, KY 402074745. Office phone: 5023652655.
What is Dr. Don Duff's NPI?
Dr. Don Duff's National Provider Identifier (NPI) is 1154325900, issued by NPPES.
Does Dr. Don Duff accept Medicare assignment?
Yes. Dr. Don Duff accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Don Duff commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.