Total Payments
$1,234
2024 Payments
$454.25
Companies
10
Transactions
20
Medicare Patients
3,991
Medicare Billing
$899,553
Payment Breakdown by Category
Food & Beverage$1,021 (82.7%)
Education$212.91 (17.3%)
Other$0.00 (0.0%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $1,021 | 16 | 82.7% |
| Education | $212.91 | 4 | 17.3% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | $224.84 | 2 | $0 (2021) |
| Amgen Inc. | $190.75 | 2 | $0 (2024) |
| OPKO Pharmaceuticals, LLC | $172.65 | 1 | $0 (2022) |
| CALLIDITAS THERAPEUTICS US INC. | $167.11 | 3 | $0 (2024) |
| Mallinckrodt LLC | $124.55 | 1 | $0 (2017) |
| Novo Nordisk Inc | $111.56 | 1 | $0 (2024) |
| Travere Therapeutics, Inc. | $93.13 | 5 | $0 (2024) |
| AKEBIA THERAPEUTICS INC | $67.67 | 3 | $0 (2024) |
| Mallinckrodt Hospital Products Inc. | $63.70 | 1 | $0 (2020) |
| Novartis Pharmaceuticals Corporation | $17.93 | 1 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $454.25 | 13 | Amgen Inc. ($121.83) |
| 2023 | $124.98 | 1 | Calliditas Therapeutics US Inc. ($124.98) |
| 2022 | $172.65 | 1 | OPKO Pharmaceuticals, LLC ($172.65) |
| 2021 | $224.84 | 2 | AstraZeneca Pharmaceuticals LP ($224.84) |
| 2020 | $132.62 | 2 | Amgen Inc. ($68.92) |
| 2017 | $124.55 | 1 | Mallinckrodt LLC ($124.55) |
All Payment Transactions
20 individual payment records from CMS Open Payments
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 12/17/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $17.93 | General |
| 12/10/2024 | CALLIDITAS THERAPEUTICS US INC. | TARPEYO (Drug) | Food and Beverage | In-kind items and services | $22.32 | General |
| Category: Nephrology | ||||||
| 11/06/2024 | AKEBIA THERAPEUTICS INC | Vafseo (Drug) | Education | In-kind items and services | $24.61 | General |
| Category: Nephrology | ||||||
| 11/06/2024 | AKEBIA THERAPEUTICS INC | Vafseo (Drug) | Food and Beverage | In-kind items and services | $18.45 | General |
| Category: Nephrology | ||||||
| 10/23/2024 | AKEBIA THERAPEUTICS INC | Vafseo (Drug) | Education | In-kind items and services | $24.61 | General |
| Category: Nephrology | ||||||
| 10/23/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $19.24 | General |
| 09/24/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $14.80 | General |
| 09/10/2024 | CALLIDITAS THERAPEUTICS US INC. | TARPEYO (Drug) | Food and Beverage | In-kind items and services | $19.81 | General |
| Category: Nephrology | ||||||
| 08/22/2024 | Amgen Inc. | KRYSTEXXA (Biological) | Food and Beverage | In-kind items and services | $121.83 | General |
| Category: Inflammation/Rare Disease | ||||||
| 08/13/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $24.16 | General |
| 06/26/2024 | Travere Therapeutics, Inc. | — | Food and Beverage | In-kind items and services | $17.00 | General |
| 04/23/2024 | Novo Nordisk Inc | — | Food and Beverage | In-kind items and services | $111.56 | General |
| 01/23/2024 | Novartis Pharmaceuticals Corporation | — | Food and Beverage | In-kind items and services | $17.93 | General |
| 11/09/2023 | Calliditas Therapeutics US Inc. | TARPEYO (Drug) | Food and Beverage | In-kind items and services | $124.98 | General |
| Category: Nephrology | ||||||
| 10/07/2022 | OPKO Pharmaceuticals, LLC | RAYALDEE (Drug) | Food and Beverage | In-kind items and services | $172.65 | General |
| Category: NEPHROLOGY | ||||||
| 10/28/2021 | AstraZeneca Pharmaceuticals LP | LOKELMA (Drug) | Food and Beverage | In-kind items and services | $124.85 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 05/11/2021 | AstraZeneca Pharmaceuticals LP | LOKELMA (Drug) | Education | In-kind items and services | $99.99 | General |
| Category: Cardiovascular and Metabolism | ||||||
| 09/29/2020 | Mallinckrodt Hospital Products Inc. | ACTHAR (Biological) | Education | In-kind items and services | $63.70 | General |
| Category: IMMUNOLOGY | ||||||
| 01/23/2020 | Amgen Inc. | Parsabiv (Drug) | Food and Beverage | In-kind items and services | $68.92 | General |
| Category: Nephrology | ||||||
| 08/17/2017 | Mallinckrodt LLC | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $124.55 | General |
| Category: AUTOIMMUNE AND RARE DISEASE | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 11 | 793 | 1,574 | $577,594 | $172,181 |
| 2022 | 12 | 875 | 1,885 | $690,180 | $203,991 |
| 2021 | 12 | 1,126 | 2,528 | $815,939 | $257,146 |
| 2020 | 11 | 1,197 | 2,808 | $976,390 | $266,235 |
Total Patients
3,991
Total Services
8,795
Medicare Billing
$899,553
Procedure Codes
46
All Medicare Procedures & Services
46 procedure records from CMS Medicare Utilization — Page 1 of 2
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | Office | 2023 | 44 | 253 | $197,087 | $62,651 | 31.8% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2023 | 34 | 93 | $52,982 | $19,696 | 37.2% |
| 90966 | Home dialysis services per month (20 years or older) | Office | 2023 | 17 | 82 | $63,878 | $16,530 | 25.9% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 142 | 178 | $59,274 | $16,409 | 27.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 118 | 176 | $38,896 | $14,398 | 37.0% |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Facility | 2023 | 140 | 341 | $35,528 | $12,057 | 33.9% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 103 | 141 | $22,983 | $7,955 | 34.6% |
| 90935 | Hemodialysis procedure with physician evaluation | Facility | 2023 | 51 | 140 | $66,500 | $7,252 | 10.9% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2023 | 51 | 51 | $18,972 | $5,367 | 28.3% |
| 90962 | Dialysis services, 1 physician visit per month (20 years or older) | Office | 2023 | 17 | 35 | $9,650 | $4,939 | 51.2% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 76 | 84 | $11,844 | $4,926 | 41.6% |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | Office | 2022 | 51 | 293 | $228,247 | $76,159 | 33.4% |
| 99222 | Initial hospital inpatient care per day, typically 50 minutes | Facility | 2022 | 176 | 223 | $74,259 | $21,883 | 29.5% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2022 | 37 | 97 | $56,098 | $21,463 | 38.3% |
| 90966 | Home dialysis services per month (20 years or older) | Office | 2022 | 12 | 87 | $67,773 | $18,866 | 27.8% |
| 99231 | Follow-up hospital inpatient care per day, typically 15 minutes | Facility | 2022 | 159 | 455 | $46,410 | $12,909 | 27.8% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 100 | 153 | $33,813 | $12,785 | 37.8% |
| 90935 | Hemodialysis procedure with physician evaluation | Facility | 2022 | 75 | 214 | $101,650 | $11,623 | 11.4% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 120 | 186 | $30,318 | $9,614 | 31.7% |
| 90962 | Dialysis services, 1 physician visit per month (20 years or older) | Office | 2022 | 22 | 44 | $16,590 | $6,795 | 41.0% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 39 | 39 | $19,227 | $5,828 | 30.3% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 73 | 83 | $11,703 | $4,751 | 40.6% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 11 | 11 | $4,092 | $1,316 | 32.2% |
| 90960 | Dialysis services (4 or more physician visits per month), patient 20 years of age and older | Office | 2021 | 46 | 224 | $174,496 | $61,031 | 35.0% |
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | Office | 2021 | 53 | 222 | $122,100 | $49,418 | 40.5% |
About Dr. Asif Sultan, M.D
Dr. Asif Sultan, M.D is a Nephrology healthcare provider based in Knoxville, Tennessee. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 11/13/2007. The National Provider Identifier (NPI) number assigned to this provider is 1821278474.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Asif Sultan, M.D has received a total of $1,234 in payments from pharmaceutical and medical device companies, with $454.25 received in 2024. These payments were reported across 20 transactions from 10 companies. The most common payment nature is "Food and Beverage" ($1,021).
As a Medicare-enrolled provider, Sultan has provided services to 3,991 Medicare beneficiaries, totaling 8,795 services with total Medicare billing of $899,553. Data is available for 4 years (2020–2023), covering 46 distinct procedure/service records.
Ad
Practice Information
- Specialty Nephrology
- Location Knoxville, TN
- Active Since 11/13/2007
- Last Updated 11/13/2007
- Taxonomy Code 207RN0300X
- Entity Type Individual
- NPI Number 1821278474
Products in Payments
- LOKELMA (Drug) $224.84
- ACTHAR (Biological) $188.25
- RAYALDEE (Drug) $172.65
- TARPEYO (Drug) $167.11
- KRYSTEXXA (Biological) $121.83
- Parsabiv (Drug) $68.92
- Vafseo (Drug) $67.67
Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.
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