IndustryPayments
Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-01-23 View official record Methodology

Covered recipient · General Payments record

ROHAN R RENGEN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1609067792
CMS profile
344712
Location
FREDERICK, MD

General Payments · PY2018–2024

$37,937.12

  • Reported across 599 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$3,128.16

122 records · 0 disputed

Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.

How these totals are calculated
  • The total is the sum of the General Payments records CMS published for the labeled program year(s), exactly as published. Nothing is estimated, weighted, or combined across categories.
  • General Payments only. Research and Ownership/Investment are separate datasets and are never summed with these figures; amounts are kept separate per program year.
  • Featured-page threshold (a presentation gate, not a judgment): records>=3 OR total>=100 (all years).
  • Methodology & Data — sourcing, labeling, and limitations.

Related groups: Nephrology MD All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $3,090.13 114
Education $38.03 8

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
ANI Pharmaceuticals, Inc. $591.80 18
Amgen Inc. $497.05 14
Otsuka America Pharmaceutical, Inc. $329.45 11
Bayer HealthCare Pharmaceuticals Inc. $192.61 10
Acerta Pharma LLC $185.13 2
Alexion Pharmaceuticals, Inc. $162.43 5
CALLIDITAS THERAPEUTICS US INC. $151.37 8
Mallinckrodt Hospital Products Inc. $148.59 7
Novo Nordisk AS $139.13 7
Relypsa, Inc. $134.51 7
Retrophin, Inc. $122.39 12
Aurinia Pharma U.S., Inc. $100.52 5
Ardelyx, Inc. $79.75 4
TACTILE SYSTEMS TECHNOLOGY INC $74.43 1
Fresenius USA Marketing, Inc. $73.64 3
AKEBIA THERAPEUTICS INC $49.45 3
GlaxoSmithKline, LLC. $26.36 1
Takeda Pharmaceuticals U.S.A., Inc. $22.64 1
Boehringer Ingelheim Pharmaceuticals, Inc. $17.48 1
Otsuka Pharmaceutical Development & Commercialization, Inc. $15.65 1
SCPHARMACEUTICALS INC. $13.78 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $8,288.57 52
PY2019 $14,121.67 86
PY2020 $3,162.31 66
PY2021 $2,768.81 74
PY2022 $3,976.67 102
PY2023 $2,490.93 97
PY2024 $3,128.16 122

Payment records · PY2024 (122)

Sorted by paying entity, then date · as published by CMS

Program year 2024 201820192020202120222023 Record-level detail is published for PY2024; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AKEBIA THERAPEUTICS INC $17.79 08/13/2024 Food and Beverage Undisputed 01/23/2026 1145828182 CMS
AKEBIA THERAPEUTICS INC $15.62 10/08/2024 Food and Beverage Undisputed 01/23/2026 1145828332 CMS
AKEBIA THERAPEUTICS INC $16.04 11/14/2024 Food and Beverage Undisputed 01/23/2026 1145830355 CMS
Alexion Pharmaceuticals, Inc. $15.51 02/14/2024 Food and Beverage Undisputed 01/23/2026 1094000054 CMS
Alexion Pharmaceuticals, Inc. $25.12 03/26/2024 Food and Beverage Undisputed 01/23/2026 1094030845 CMS
Alexion Pharmaceuticals, Inc. $27.37 06/06/2024 Food and Beverage Undisputed 01/23/2026 1094049442 CMS
Alexion Pharmaceuticals, Inc. $20.02 09/12/2024 Food and Beverage Undisputed 01/23/2026 1094022997 CMS
Alexion Pharmaceuticals, Inc. $74.41 09/18/2024 Food and Beverage Undisputed 01/23/2026 1093911643 CMS
Amgen Inc. $115.76 04/11/2024 Food and Beverage Undisputed 01/23/2026 1116052973 CMS
Amgen Inc. $25.86 04/24/2024 Food and Beverage Undisputed 01/23/2026 1117664701 CMS
Amgen Inc. $31.88 04/30/2024 Food and Beverage Undisputed 01/23/2026 1116052980 CMS
Amgen Inc. $25.28 05/20/2024 Food and Beverage Undisputed 01/23/2026 1117664703 CMS
Amgen Inc. $23.39 08/01/2024 Food and Beverage Undisputed 01/23/2026 1117664705 CMS
Amgen Inc. $23.72 08/19/2024 Food and Beverage Undisputed 01/23/2026 1116053020 CMS
Amgen Inc. $18.16 08/21/2024 Food and Beverage Undisputed 01/23/2026 1117664707 CMS
Amgen Inc. $23.13 09/05/2024 Food and Beverage Undisputed 01/23/2026 1116053027 CMS
Amgen Inc. $29.53 10/03/2024 Food and Beverage Undisputed 01/23/2026 1117664709 CMS
Amgen Inc. $20.19 10/07/2024 Food and Beverage Undisputed 01/23/2026 1116052986 CMS
Amgen Inc. $20.20 10/07/2024 Food and Beverage Undisputed 01/23/2026 1116053000 CMS
Amgen Inc. $27.44 10/29/2024 Food and Beverage Undisputed 01/23/2026 1116052992 CMS
Amgen Inc. $90.25 11/13/2024 Food and Beverage Undisputed 01/23/2026 1116053014 CMS
Amgen Inc. $22.26 12/18/2024 Food and Beverage Undisputed 01/23/2026 1116053006 CMS
ANI Pharmaceuticals, Inc. $1.51 01/31/2024 Food and Beverage Undisputed 01/23/2026 1091146820 CMS
ANI Pharmaceuticals, Inc. $26.03 01/31/2024 Food and Beverage Undisputed 01/23/2026 1091146926 CMS
ANI Pharmaceuticals, Inc. $1.96 02/28/2024 Food and Beverage Undisputed 01/23/2026 1091154768 CMS
ANI Pharmaceuticals, Inc. $25.82 02/28/2024 Food and Beverage Undisputed 01/23/2026 1091159132 CMS
ANI Pharmaceuticals, Inc. $0.95 02/28/2024 Food and Beverage Undisputed 01/23/2026 1091171334 CMS
ANI Pharmaceuticals, Inc. $2.03 04/18/2024 Food and Beverage Undisputed 01/23/2026 1091149374 CMS
ANI Pharmaceuticals, Inc. $24.83 04/18/2024 Food and Beverage Undisputed 01/23/2026 1091159156 CMS
ANI Pharmaceuticals, Inc. $1.11 04/18/2024 Food and Beverage Undisputed 01/23/2026 1091167630 CMS
ANI Pharmaceuticals, Inc. $25.65 05/29/2024 Food and Beverage Undisputed 01/23/2026 1091139428 CMS
ANI Pharmaceuticals, Inc. $1.91 05/29/2024 Food and Beverage Undisputed 01/23/2026 1091160414 CMS
ANI Pharmaceuticals, Inc. $31.87 06/13/2024 Food and Beverage Undisputed 01/23/2026 1091140814 CMS
ANI Pharmaceuticals, Inc. $25.92 07/11/2024 Food and Beverage Undisputed 01/23/2026 1091152072 CMS
ANI Pharmaceuticals, Inc. $30.56 08/15/2024 Food and Beverage Undisputed 01/23/2026 1091144970 CMS
ANI Pharmaceuticals, Inc. $1.92 08/15/2024 Food and Beverage Undisputed 01/23/2026 1091155088 CMS
ANI Pharmaceuticals, Inc. $24.83 10/10/2024 Food and Beverage Undisputed 01/23/2026 1091140458 CMS
ANI Pharmaceuticals, Inc. $337.53 10/10/2024 Food and Beverage Undisputed 01/23/2026 1091159388 CMS
ANI Pharmaceuticals, Inc. $1.83 11/25/2024 Food and Beverage Undisputed 01/23/2026 1091136421 CMS
ANI Pharmaceuticals, Inc. $25.54 11/25/2024 Food and Beverage Undisputed 01/23/2026 1091137202 CMS
Ardelyx, Inc. $19.80 03/11/2024 Food and Beverage Undisputed 01/23/2026 1146703666 CMS
Ardelyx, Inc. $22.86 04/17/2024 Food and Beverage Undisputed 01/23/2026 1146703668 CMS
Ardelyx, Inc. $20.31 07/09/2024 Food and Beverage Undisputed 01/23/2026 1146703670 CMS
Ardelyx, Inc. $16.78 10/02/2024 Food and Beverage Undisputed 01/23/2026 1146703672 CMS
AstraZeneca Pharmaceuticals LP $95.86 06/18/2024 Food and Beverage Undisputed 01/23/2026 1105221674 CMS
AstraZeneca Pharmaceuticals LP $89.27 10/09/2024 Food and Beverage Undisputed 01/23/2026 1105341179 CMS
Aurinia Pharma U.S., Inc. $21.51 01/03/2024 Food and Beverage Undisputed 01/23/2026 1150690585 CMS
Aurinia Pharma U.S., Inc. $20.10 03/25/2024 Food and Beverage Undisputed 01/23/2026 1150690587 CMS
Aurinia Pharma U.S., Inc. $19.23 06/11/2024 Food and Beverage Undisputed 01/23/2026 1150690589 CMS
Aurinia Pharma U.S., Inc. $20.84 09/03/2024 Food and Beverage Undisputed 01/23/2026 1150690591 CMS
Aurinia Pharma U.S., Inc. $18.84 11/05/2024 Food and Beverage Undisputed 01/23/2026 1150690593 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.31 01/02/2024 Food and Beverage Undisputed 01/23/2026 1086173244 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.20 01/17/2024 Food and Beverage Undisputed 01/23/2026 1086210845 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.69 03/18/2024 Food and Beverage Undisputed 01/23/2026 1086261616 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.35 05/15/2024 Food and Beverage Undisputed 01/23/2026 1086160338 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.31 06/05/2024 Food and Beverage Undisputed 01/23/2026 1086194808 CMS
Bayer Healthcare Pharmaceuticals Inc. $20.45 07/15/2024 Food and Beverage Undisputed 01/23/2026 1086121582 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.71 07/30/2024 Food and Beverage Undisputed 01/23/2026 1086246734 CMS
Bayer Healthcare Pharmaceuticals Inc. $15.46 09/30/2024 Food and Beverage Undisputed 01/23/2026 1086227226 CMS
Bayer Healthcare Pharmaceuticals Inc. $19.16 10/16/2024 Food and Beverage Undisputed 01/23/2026 1086126388 CMS
Bayer Healthcare Pharmaceuticals Inc. $21.97 12/09/2024 Food and Beverage Undisputed 01/23/2026 1086126256 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $17.48 06/03/2024 Food and Beverage Undisputed 01/23/2026 1118076496 CMS
CALLIDITAS THERAPEUTICS US INC. $22.56 01/15/2024 Food and Beverage Undisputed 01/23/2026 1141508026 CMS
CALLIDITAS THERAPEUTICS US INC. $17.00 02/27/2024 Food and Beverage Undisputed 01/23/2026 1141510254 CMS
CALLIDITAS THERAPEUTICS US INC. $20.71 04/09/2024 Food and Beverage Undisputed 01/23/2026 1141513001 CMS
CALLIDITAS THERAPEUTICS US INC. $17.72 06/12/2024 Food and Beverage Undisputed 01/23/2026 1141516873 CMS
CALLIDITAS THERAPEUTICS US INC. $19.53 07/31/2024 Food and Beverage Undisputed 01/23/2026 1141519609 CMS
CALLIDITAS THERAPEUTICS US INC. $14.58 10/24/2024 Food and Beverage Undisputed 01/23/2026 1141525546 CMS
CALLIDITAS THERAPEUTICS US INC. $19.71 11/06/2024 Food and Beverage Undisputed 01/23/2026 1141526552 CMS
CALLIDITAS THERAPEUTICS US INC. $19.56 12/18/2024 Food and Beverage Undisputed 01/23/2026 1141529899 CMS
Fresenius USA Marketing, Inc. $24.49 08/05/2024 Food and Beverage Undisputed 01/23/2026 1154211146 CMS
Fresenius USA Marketing, Inc. $24.45 09/10/2024 Food and Beverage Undisputed 01/23/2026 1154211144 CMS
Fresenius USA Marketing, Inc. $24.70 10/28/2024 Food and Beverage Undisputed 01/23/2026 1154211148 CMS
GlaxoSmithKline, LLC. $26.36 02/19/2024 Food and Beverage Undisputed 01/23/2026 1116502337 CMS
Mallinckrodt Hospital Products Inc. $27.76 02/12/2024 Food and Beverage Undisputed 01/23/2026 1145126546 CMS
Mallinckrodt Hospital Products Inc. $24.27 03/04/2024 Food and Beverage Undisputed 01/23/2026 1145126550 CMS
Mallinckrodt Hospital Products Inc. $18.17 05/01/2024 Food and Beverage Undisputed 01/23/2026 1145126554 CMS
Mallinckrodt Hospital Products Inc. $5.02 07/10/2024 Food and Beverage Undisputed 01/23/2026 1145126559 CMS
Mallinckrodt Hospital Products Inc. $21.61 07/10/2024 Food and Beverage Undisputed 01/23/2026 1145126563 CMS
Mallinckrodt Hospital Products Inc. $24.79 08/26/2024 Food and Beverage Undisputed 01/23/2026 1145126567 CMS
Mallinckrodt Hospital Products Inc. $26.97 11/07/2024 Food and Beverage Undisputed 01/23/2026 1145126571 CMS
Novo Nordisk Inc $18.00 03/27/2024 Food and Beverage Undisputed 01/23/2026 1096872470 CMS
Novo Nordisk Inc $20.25 05/07/2024 Food and Beverage Undisputed 01/23/2026 1096703083 CMS
Novo Nordisk Inc $20.87 06/05/2024 Food and Beverage Undisputed 01/23/2026 1096636075 CMS
Novo Nordisk Inc $21.51 08/06/2024 Food and Beverage Undisputed 01/23/2026 1097354373 CMS
Novo Nordisk Inc $20.58 08/08/2024 Food and Beverage Undisputed 01/23/2026 1097309746 CMS
Novo Nordisk Inc $18.00 09/25/2024 Food and Beverage Undisputed 01/23/2026 1097759221 CMS
Novo Nordisk Inc $19.92 11/04/2024 Food and Beverage Undisputed 01/23/2026 1097408068 CMS
Otsuka America Pharmaceutical, Inc. $23.36 01/23/2024 Food and Beverage Undisputed 01/23/2026 1118968537 CMS
Otsuka America Pharmaceutical, Inc. $21.95 02/23/2024 Food and Beverage Undisputed 01/23/2026 1118968539 CMS
Otsuka America Pharmaceutical, Inc. $25.16 03/07/2024 Food and Beverage Undisputed 01/23/2026 1118968541 CMS
Otsuka America Pharmaceutical, Inc. $22.38 04/11/2024 Food and Beverage Undisputed 01/23/2026 1118968543 CMS
Otsuka America Pharmaceutical, Inc. $122.14 05/02/2024 Food and Beverage Undisputed 01/23/2026 1118968545 CMS
Otsuka America Pharmaceutical, Inc. $16.90 05/14/2024 Food and Beverage Undisputed 01/23/2026 1118968547 CMS
Otsuka America Pharmaceutical, Inc. $19.68 07/22/2024 Food and Beverage Undisputed 01/23/2026 1118968549 CMS
Otsuka America Pharmaceutical, Inc. $20.86 08/12/2024 Food and Beverage Undisputed 01/23/2026 1118968551 CMS
Otsuka America Pharmaceutical, Inc. $19.32 09/10/2024 Food and Beverage Undisputed 01/23/2026 1118968553 CMS
Otsuka America Pharmaceutical, Inc. $18.86 10/17/2024 Food and Beverage Undisputed 01/23/2026 1118968555 CMS
Otsuka America Pharmaceutical, Inc. $18.84 11/13/2024 Food and Beverage Undisputed 01/23/2026 1118968557 CMS
Otsuka Pharmaceutical Development & Commercialization, Inc. $15.65 09/23/2024 Food and Beverage Undisputed 01/23/2026 1118839317 CMS
SCPHARMACEUTICALS INC. $13.78 06/10/2024 Food and Beverage Undisputed 01/23/2026 1132280612 CMS
Tactile Systems Technology Inc $74.43 10/10/2024 Food and Beverage Undisputed 01/23/2026 1082372637 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.64 10/23/2024 Food and Beverage Undisputed 01/23/2026 1137661486 CMS
Travere Therapeutics, Inc. $3.08 01/22/2024 Education Undisputed 01/23/2026 1149896055 CMS
Travere Therapeutics, Inc. $16.89 01/22/2024 Education Undisputed 01/23/2026 1149896079 CMS
Travere Therapeutics, Inc. $20.39 01/22/2024 Food and Beverage Undisputed 01/23/2026 1149896087 CMS
Travere Therapeutics, Inc. $3.08 02/15/2024 Education Undisputed 01/23/2026 1149896059 CMS
Travere Therapeutics, Inc. $2.66 03/19/2024 Education Undisputed 01/23/2026 1149896051 CMS
Travere Therapeutics, Inc. $3.08 04/29/2024 Education Undisputed 01/23/2026 1149896063 CMS
Travere Therapeutics, Inc. $17.00 04/29/2024 Food and Beverage Undisputed 01/23/2026 1149896083 CMS
Travere Therapeutics, Inc. $3.08 07/11/2024 Education Undisputed 01/23/2026 1149896067 CMS
Travere Therapeutics, Inc. $3.08 07/23/2024 Education Undisputed 01/23/2026 1149896071 CMS
Travere Therapeutics, Inc. $25.38 07/23/2024 Food and Beverage Undisputed 01/23/2026 1149896095 CMS
Travere Therapeutics, Inc. $3.08 09/18/2024 Education Undisputed 01/23/2026 1149896075 CMS
Travere Therapeutics, Inc. $21.59 09/18/2024 Food and Beverage Undisputed 01/23/2026 1149896091 CMS
Vifor Pharma, Inc. $20.96 01/18/2024 Food and Beverage Undisputed 01/23/2026 1124038878 CMS
Vifor Pharma, Inc. $20.02 03/20/2024 Food and Beverage Undisputed 01/23/2026 1124034008 CMS
Vifor Pharma, Inc. $19.27 05/02/2024 Food and Beverage Undisputed 01/23/2026 1124034650 CMS
Vifor Pharma, Inc. $18.14 07/18/2024 Food and Beverage Undisputed 01/23/2026 1124049639 CMS
Vifor Pharma, Inc. $16.61 09/04/2024 Food and Beverage Undisputed 01/23/2026 1124053089 CMS
Vifor Pharma, Inc. $22.42 10/22/2024 Food and Beverage Undisputed 01/23/2026 1124059110 CMS
Vifor Pharma, Inc. $17.09 12/11/2024 Food and Beverage Undisputed 01/23/2026 1124060834 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-01-23
Program years on this page
2018, 2019, 2020, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

One page per canonical provider; split Profile_IDs are merged via Associated_Covered_Recipient_Profile_ID_1/_2 from the Covered Recipient Profile Supplement.

Corrections to the substance of a record route to CMS through its review-and-dispute process; errors in how this site mirrors or displays a record route to us. Both paths are described in Methodology & Data.