Dr. Denise Rivers, DO

NPI: 1932193471
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 1 of 11

Date Company Product Nature Form Amount Type
12/18/2024 Vifor Pharma, Inc. Food and Beverage In-kind items and services $33.56 General
12/11/2024 Travere Therapeutics, Inc. Food and Beverage In-kind items and services $15.33 General
12/06/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $15.76 General
Category: Cardio-renal
11/26/2024 Fresenius USA Marketing, Inc. Velphoro (Drug) Food and Beverage In-kind items and services $16.97 General
Category: Phosphate binder for ESRD
11/22/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $15.71 General
Category: Cardio-renal
11/20/2024 Travere Therapeutics, Inc. Food and Beverage In-kind items and services $14.74 General
11/13/2024 CALLIDITAS THERAPEUTICS US INC. TARPEYO (Drug) Food and Beverage In-kind items and services $22.74 General
Category: Nephrology
11/05/2024 AKEBIA THERAPEUTICS INC Vafseo (Drug) Food and Beverage In-kind items and services $18.09 General
Category: Nephrology
10/29/2024 Amgen Inc. Aranesp (Biological) Food and Beverage In-kind items and services $20.67 General
Category: Nephrology
10/22/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $15.71 General
Category: Cardio-renal
10/18/2024 Aurinia Pharma U.S., Inc. LUPKYNIS (Drug) Food and Beverage In-kind items and services $14.96 General
Category: LUPUS NEPHRITIS
10/16/2024 Vifor Pharma, Inc. Food and Beverage In-kind items and services $26.75 General
10/15/2024 Travere Therapeutics, Inc. Food and Beverage In-kind items and services $15.32 General
10/13/2024 AKEBIA THERAPEUTICS INC Auryxia (Drug), Vafseo Food and Beverage In-kind items and services $18.84 General
Category: Nephrology
10/04/2024 Fresenius USA Marketing, Inc. Velphoro (Drug) Food and Beverage In-kind items and services $19.29 General
Category: Phosphate binder for ESRD
10/03/2024 Amgen Inc. KRYSTEXXA (Biological) Food and Beverage In-kind items and services $20.85 General
Category: Inflammation/Rare Disease
09/03/2024 Amgen Inc. Aranesp (Biological), Parsabiv, TAVNEOS Food and Beverage In-kind items and services $17.39 General
Category: Nephrology
08/23/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $15.50 General
Category: Cardio-renal
08/08/2024 Travere Therapeutics, Inc. Food and Beverage In-kind items and services $13.63 General
08/08/2024 Travere Therapeutics, Inc. Education In-kind items and services $4.15 General
08/07/2024 Vifor Pharma, Inc. Food and Beverage In-kind items and services $25.40 General
08/02/2024 Amgen Inc. TAVNEOS (Drug) Food and Beverage In-kind items and services $20.15 General
Category: Inflammation
07/31/2024 Otsuka America Pharmaceutical, Inc. JYNARQUE (Drug) Food and Beverage In-kind items and services $13.89 General
Category: NEPHROLOGY
07/30/2024 AstraZeneca Pharmaceuticals LP FARXIGA (Drug) Food and Beverage In-kind items and services $18.45 General
Category: Cardiovascular and Metabolism
07/26/2024 Bayer Healthcare Pharmaceuticals Inc. Kerendia (Drug) Food and Beverage In-kind items and services $14.26 General
Category: Cardio-renal

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.

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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