Doctor profile · Federal record
Dr. Asif Sultan, M.D.
Nephrology Physician (CMS: Internal Medicine) · Knoxville, TN
- NPI 1821278474
- MIPS 85.5 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2001 Laurel Ave, Suite 202
Knoxville, TN 379161810
(865) 637-5186
fax (865) 637-5121
Credentials & registration
- NPI registered
- November 2007 — 19 yrs on file
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- Tennessee #42655
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821278474. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,574
Distinct HCPCS
10
Medicare allowed
$222,919
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 341 | 140 | $45 | |
90960 |
Dialysis services, 4 or more physician visits per month (20 years or older) | 253 | 44 | $319 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 178 | 142 | $117 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 176 | 118 | $113 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 141 | 103 | $71 | |
90935 |
Hemodialysis procedure with physician evaluation | 140 | 51 | $65 | |
90961 |
Dialysis services, 2-3 physician visits per month (20 years or older) | 93 | 34 | $265 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 84 | 76 | $80 | |
90966 |
Home dialysis services per month (20 years or older) | 82 | 17 | $267 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 51 | 51 | $149 |
In context: peer comparison
Among 12 peers in Knoxville Nephrology Physician, average services per provider: 169. This provider delivers 9.3× the peer median.Open Payments
Industry payments received
All-time total
$454
Transactions
13
Manufacturers
6
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 1 | $121.83 | |
| Novo Nordisk INC | 1 | $111.56 | |
| Travere Therapeutics, INC. | 5 | $93.13 | |
| Akebia Therapeutics INC | 3 | $67.67 | |
| Calliditas Therapeutics US INC. | 2 | $42.13 | |
| Novartis Pharmaceuticals Corporation | 1 | $17.93 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,802
Patients
462
Total drug cost
$110,115
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 208 | 44 | $3,510 |
| Calcitriol | Generic | 202 | 44 | $2,548 |
| Hydralazine Hcl | Generic | 174 | 45 | $2,740 |
| Sevelamer Carbonate | Generic | 171 | 40 | $29,841 |
| Furosemide | Generic | 149 | 45 | $792 |
| Amlodipine Besylate | Generic | 143 | 41 | $920 |
| Losartan Potassium | Generic | 129 | 29 | $1,261 |
| Calcium Acetate | Generic | 118 | 34 | $13,256 |
| Lisinopril | Generic | 98 | 24 | $612 |
| Carvedilol | Generic | 86 | 23 | $935 |
Hospital affiliations
Frequently asked questions
What is Dr. Asif Sultan's medical specialty?
Dr. Asif Sultan practices Nephrology Physician in Knoxville, TN.
Where does Dr. Asif Sultan practice?
Dr. Asif Sultan practices at 2001 Laurel Ave, Knoxville, TN 379161810. Office phone: 8656375186.
What is Dr. Asif Sultan's NPI?
Dr. Asif Sultan's National Provider Identifier (NPI) is 1821278474, issued by NPPES.
Does Dr. Asif Sultan accept Medicare assignment?
Dr. Asif Sultan does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Asif Sultan commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Dialysis services, 4 or more physician visits per month (20 years or older) (HCPCS 90960); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.