Total Payments
$8,727
2024 Payments
$1,242
Companies
35
Transactions
268
Medicare Patients
3,627
Medicare Billing
$800,263
Payment Breakdown by Category
Food & Beverage$4,659 (53.4%)
Other$4,000 (45.8%)
Education$67.45 (0.8%)
Payments by Nature
| Nature of Payment | Amount | Transactions | Share |
|---|---|---|---|
| Food and Beverage | $4,659 | 263 | 53.4% |
| Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program | $4,000 | 1 | 45.8% |
| Education | $67.45 | 4 | 0.8% |
Top Paying Companies
| Company | Total | Records | Latest Year |
|---|---|---|---|
| Mallinckrodt Enterprises LLC | $4,181 | 12 | $0 (2019) |
| Amgen Inc. | $558.80 | 29 | $0 (2024) |
| Mallinckrodt Hospital Products Inc. | $413.75 | 20 | $0 (2024) |
| Bayer Healthcare Pharmaceuticals Inc. | $354.63 | 23 | $0 (2024) |
| Vifor Pharma, Inc. | $323.15 | 14 | $0 (2024) |
| Alexion Pharmaceuticals, Inc. | $297.12 | 16 | $0 (2024) |
| Otsuka America Pharmaceutical, Inc. | $248.68 | 16 | $0 (2024) |
| Fresenius USA Marketing, Inc. | $219.01 | 14 | $0 (2024) |
| Travere Therapeutics, Inc. | $206.55 | 15 | $0 (2024) |
| AstraZeneca Pharmaceuticals LP | $197.21 | 11 | $0 (2024) |
Payment History by Year
| Year | Amount | Transactions | Top Company |
|---|---|---|---|
| 2024 | $1,242 | 66 | Vifor Pharma, Inc. ($171.10) |
| 2023 | $974.84 | 53 | Mallinckrodt Hospital Products Inc. ($135.41) |
| 2022 | $639.67 | 34 | Alexion Pharmaceuticals, Inc. ($131.71) |
| 2021 | $284.36 | 17 | Amgen Inc. ($58.78) |
| 2020 | $294.22 | 16 | Amgen Inc. ($77.27) |
| 2019 | $331.38 | 18 | Otsuka America Pharmaceutical, Inc. ($56.81) |
| 2018 | $4,446 | 28 | Mallinckrodt LLC ($4,037) |
| 2017 | $514.74 | 36 | Mallinckrodt LLC ($115.47) |
All Payment Transactions
268 individual payment records from CMS Open Payments — Page 11 of 11
| Date | Company | Product | Nature | Form | Amount | Type |
|---|---|---|---|---|---|---|
| 06/07/2017 | Mallinckrodt LLC | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $15.09 | General |
| Category: AUTOIMMUNE AND RARE DISEASE | ||||||
| 06/01/2017 | Genentech USA, Inc. | Rituxan (Biological) | Food and Beverage | In-kind items and services | $10.60 | General |
| Category: BioOncology/Immunology | ||||||
| 05/31/2017 | Keryx Biopharmaceuticals, Inc. | Auryxia (Drug) | Food and Beverage | In-kind items and services | $16.69 | General |
| Category: Nephrology | ||||||
| 05/17/2017 | Amgen Inc. | Sensipar (Drug) | Food and Beverage | In-kind items and services | $11.22 | General |
| Category: Nephrology | ||||||
| 05/04/2017 | Veloxis Pharmaceuticals, Inc. | Envarsus XR (Drug), Envarsus XR, Envarsus XR | Food and Beverage | In-kind items and services | $15.97 | General |
| Category: Immunosuppressant | ||||||
| 04/19/2017 | Mallinckrodt LLC | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $20.26 | General |
| Category: AUTOIMMUNE AND RARE DISEASE | ||||||
| 04/07/2017 | Takeda Pharmaceuticals America, Inc. | Uloric (Drug) | Food and Beverage | In-kind items and services | $14.42 | General |
| Category: Gout/Rheumatology | ||||||
| 04/04/2017 | Mallinckrodt LLC | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $13.54 | General |
| Category: AUTOIMMUNE AND RARE DISEASE | ||||||
| 03/29/2017 | Daiichi Sankyo Inc. | INJECTAFER (Drug) | Food and Beverage | In-kind items and services | $15.78 | General |
| Category: Anemia | ||||||
| 03/24/2017 | BAXTER HEALTHCARE | Renal - CRRT (Device) | Food and Beverage | In-kind items and services | $15.32 | General |
| Category: Renal | ||||||
| 03/08/2017 | Mallinckrodt LLC | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $15.23 | General |
| Category: AUTOIMMUNE AND RARE DISEASE | ||||||
| 03/01/2017 | Novartis Pharmaceuticals Corporation | ENTRESTO (Drug) | Food and Beverage | In-kind items and services | $14.13 | General |
| Category: CARDIOVASCULAR | ||||||
| 02/22/2017 | Genentech USA, Inc. | Rituxan (Biological) | Food and Beverage | In-kind items and services | $13.22 | General |
| Category: BioOncology/Immunology | ||||||
| 02/15/2017 | Relypsa, Inc. | Veltassa (Drug) | Food and Beverage | In-kind items and services | $15.85 | General |
| Category: Hyperkalemia | ||||||
| 02/08/2017 | Keryx Biopharmaceuticals, Inc. | Auryxia (Drug) | Food and Beverage | In-kind items and services | $16.74 | General |
| Category: Nephrology | ||||||
| 01/31/2017 | Takeda Pharmaceuticals America, Inc. | Uloric (Drug) | Food and Beverage | In-kind items and services | $11.48 | General |
| Category: Gout/Rheumatology | ||||||
| 01/11/2017 | Relypsa, Inc. | Veltassa (Drug) | Food and Beverage | In-kind items and services | $15.85 | General |
| Category: Hyperkalemia | ||||||
| 01/04/2017 | Mallinckrodt LLC | ACTHAR (Biological) | Food and Beverage | In-kind items and services | $18.80 | General |
| Category: AUTOIMMUNE AND RARE DISEASE | ||||||
Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 13 | 833 | 1,665 | $470,296 | $178,619 |
| 2022 | 15 | 838 | 1,752 | $527,452 | $196,670 |
| 2021 | 15 | 919 | 1,753 | $507,259 | $205,668 |
| 2020 | 17 | 1,037 | 2,369 | $499,490 | $219,306 |
Total Patients
3,627
Total Services
7,539
Medicare Billing
$800,263
Procedure Codes
60
All Medicare Procedures & Services
60 procedure records from CMS Medicare Utilization — Page 1 of 3
| 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 | 35 | 222 | $152,514 | $60,149 | 39.4% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 188 | 343 | $84,035 | $29,653 | 35.3% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 117 | 321 | $43,656 | $19,263 | 44.1% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2023 | 35 | 65 | $36,920 | $14,486 | 39.2% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2023 | 71 | 112 | $38,416 | $14,255 | 37.1% |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Facility | 2023 | 85 | 96 | $36,480 | $12,335 | 33.8% |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Facility | 2023 | 45 | 108 | $21,168 | $9,639 | 45.5% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2023 | 52 | 52 | $21,736 | $8,278 | 38.1% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2023 | 33 | 34 | $17,952 | $5,084 | 28.3% |
| 36415 | Insertion of needle into vein for collection of blood sample | Office | 2023 | 107 | 219 | $7,227 | $1,802 | 24.9% |
| 90935 | Hemodialysis procedure with physician evaluation | Facility | 2023 | 26 | 32 | $4,480 | $1,636 | 36.5% |
| 99454 | Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | Office | 2023 | 13 | 33 | $3,696 | $1,023 | 27.7% |
| 99231 | Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Facility | 2023 | 26 | 28 | $2,016 | $1,015 | 50.3% |
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | Office | 2022 | 39 | 262 | $179,994 | $71,528 | 39.7% |
| 90966 | Home dialysis services per month (20 years or older) | Office | 2022 | 13 | 94 | $53,392 | $21,189 | 39.7% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2022 | 164 | 250 | $61,250 | $19,661 | 32.1% |
| 99232 | Follow-up hospital inpatient care per day, typically 25 minutes | Facility | 2022 | 111 | 293 | $39,848 | $15,666 | 39.3% |
| 99223 | Initial hospital inpatient care per day, typically 70 minutes | Facility | 2022 | 87 | 100 | $38,000 | $14,658 | 38.6% |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | Office | 2022 | 29 | 57 | $32,376 | $12,924 | 39.9% |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | Office | 2022 | 64 | 100 | $34,300 | $11,159 | 32.5% |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | Facility | 2022 | 55 | 124 | $24,304 | $9,387 | 38.6% |
| 90935 | Hemodialysis procedure with physician evaluation | Facility | 2022 | 63 | 114 | $15,960 | $6,224 | 39.0% |
| 99291 | Critical care, first 30-74 minutes | Facility | 2022 | 28 | 28 | $14,784 | $4,330 | 29.3% |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | Office | 2022 | 21 | 21 | $8,778 | $3,457 | 39.4% |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | Office | 2022 | 29 | 29 | $9,193 | $3,012 | 32.8% |
About Dr. Denise Rivers, DO
Dr. Denise Rivers, DO is a Nephrology healthcare provider based in Knoxville, Tennessee. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 09/09/2005. The National Provider Identifier (NPI) number assigned to this provider is 1932193471.
According to the Centers for Medicare & Medicaid Services (CMS) Open Payments database, Dr. Denise Rivers, DO has received a total of $8,727 in payments from pharmaceutical and medical device companies, with $1,242 received in 2024. These payments were reported across 268 transactions from 35 companies. The most common payment nature is "Food and Beverage" ($4,659).
As a Medicare-enrolled provider, Rivers has provided services to 3,627 Medicare beneficiaries, totaling 7,539 services with total Medicare billing of $800,263. Data is available for 4 years (2020–2023), covering 60 distinct procedure/service records.
Ad
Practice Information
- Specialty Nephrology
- Location Knoxville, TN
- Active Since 09/09/2005
- Last Updated 08/21/2012
- Taxonomy Code 207RN0300X
- Entity Type Individual
- NPI Number 1932193471
Products in Payments
- ACTHAR (Biological) $4,437
- Kerendia (Drug) $354.63
- Veltassa (Drug) $327.79
- Parsabiv (Drug) $219.11
- JYNARQUE (Drug) $205.95
- Velphoro (Drug) $191.48
- ULTOMIRIS (Biological) $167.94
- TERLIVAZ (Drug) $157.56
- LUPKYNIS (Drug) $142.61
- Parsabiv (Biological) $128.43
- KRYSTEXXA (Biological) $127.07
- INJECTAFER (Drug) $126.67
- Auryxia (Drug) $112.67
- FARXIGA (Drug) $110.35
- Rayaldee (Drug) $106.24
- PURIFIED CORTROPHIN GEL (Drug) $86.35
- TARPEYO (Drug) $82.28
- LOKELMA (Drug) $71.90
- Rituxan (Biological) $67.50
- TAVNEOS (Drug) $65.74
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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