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

MICHAEL DOHRENWEND

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1922089598
CMS profile
359978
Location
HUNTSVILLE, AL

General Payments · PY2018–2022

$17,358.82

  • Reported across 345 records
  • CMS publication 2026-01-23

Latest program year · PY2022

$945.15

67 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: Gastroenterology AL All categories

By nature of payment

PY2022 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $865.46 66
Gift $79.69 1

By paying entity

PY2022 · sorted by reported total

Paying entityAmountRecords
Salix Pharmaceuticals, a division of Bausch Health US, LLC $257.39 36
ABBVIE INC. $147.96 11
Gilead Sciences, Inc. $127.15 3
Braintree Laboratories, Inc. $114.90 3
Ferring Pharmaceuticals Inc. $64.69 3
IRONWOOD PHARMACEUTICALS, INC $58.74 3
Ardelyx, Inc. $36.02 2
FUJIFILM Healthcare Americas Corporation $34.58 1
PENTAX OF AMERICA, INC. $29.50 1
RedHill Biopharma Inc. $25.69 1
GENZYME CORPORATION $19.53 1
Janssen Biotech, Inc. $16.14 1
PFIZER INC. $12.86 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $8,672.11 80
PY2019 $5,489.82 68
PY2020 $1,182.44 53
PY2021 $1,069.30 77
PY2022 $945.15 67

Payment records · PY2022 (67)

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

Program year 2022 2018201920202021 Record-level detail is published for PY2022; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
ABBVIE INC. $3.43 01/13/2022 Food and Beverage Undisputed 01/23/2026 890876941 CMS
ABBVIE INC. $6.15 03/04/2022 Food and Beverage Undisputed 01/23/2026 890876943 CMS
ABBVIE INC. $24.36 03/31/2022 Food and Beverage Undisputed 01/23/2026 890876945 CMS
ABBVIE INC. $22.23 04/07/2022 Food and Beverage Undisputed 01/23/2026 890876947 CMS
ABBVIE INC. $2.44 05/19/2022 Food and Beverage Undisputed 01/23/2026 890876949 CMS
ABBVIE INC. $24.21 05/20/2022 Food and Beverage Undisputed 01/23/2026 890876951 CMS
ABBVIE INC. $4.68 06/07/2022 Food and Beverage Undisputed 01/23/2026 890876953 CMS
ABBVIE INC. $22.40 08/04/2022 Food and Beverage Undisputed 01/23/2026 890876955 CMS
ABBVIE INC. $14.47 08/18/2022 Food and Beverage Undisputed 01/23/2026 890876957 CMS
ABBVIE INC. $17.08 10/21/2022 Food and Beverage Undisputed 01/23/2026 890876959 CMS
ABBVIE INC. $6.51 11/28/2022 Food and Beverage Undisputed 01/23/2026 890876961 CMS
Ardelyx, Inc. $17.32 07/21/2022 Food and Beverage Undisputed 01/23/2026 925725227 CMS
Ardelyx, Inc. $18.70 11/10/2022 Food and Beverage Undisputed 01/23/2026 925725229 CMS
Braintree Laboratories, Inc. $19.52 06/23/2022 Food and Beverage Undisputed 01/23/2026 898416379 CMS
Braintree Laboratories, Inc. $79.69 08/05/2022 Gift Undisputed 01/23/2026 898416381 CMS
Braintree Laboratories, Inc. $15.69 10/06/2022 Food and Beverage Undisputed 01/23/2026 935740165 CMS
Ferring Pharmaceuticals Inc. $19.17 02/10/2022 Food and Beverage Undisputed 01/23/2026 875347407 CMS
Ferring Pharmaceuticals Inc. $24.12 06/16/2022 Food and Beverage Undisputed 01/23/2026 875347409 CMS
Ferring Pharmaceuticals Inc. $21.40 09/15/2022 Food and Beverage Undisputed 01/23/2026 875347411 CMS
FUJIFILM Healthcare Americas Corporation $34.58 09/02/2022 Food and Beverage Undisputed 01/23/2026 950925949 CMS
GENZYME CORPORATION $19.53 09/22/2022 Food and Beverage Undisputed 01/23/2026 938919609 CMS
Gilead Sciences, Inc. $16.27 03/24/2022 Food and Beverage Undisputed 01/23/2026 929539267 CMS
Gilead Sciences, Inc. $97.07 04/06/2022 Food and Beverage Undisputed 01/23/2026 929539271 CMS
Gilead Sciences, Inc. $13.81 04/14/2022 Food and Beverage Undisputed 01/23/2026 929539263 CMS
Ironwood Pharmaceuticals, Inc $18.94 02/17/2022 Food and Beverage Undisputed 01/23/2026 957927521 CMS
Ironwood Pharmaceuticals, Inc $20.00 04/21/2022 Food and Beverage Undisputed 01/23/2026 957927523 CMS
Ironwood Pharmaceuticals, Inc $19.80 12/15/2022 Food and Beverage Undisputed 01/23/2026 957921365 CMS
Janssen Biotech, Inc. $16.14 08/08/2022 Food and Beverage Undisputed 01/23/2026 885477489 CMS
PENTAX of America, Inc. $29.50 08/25/2022 Food and Beverage Undisputed 01/23/2026 918301173 CMS
PFIZER INC. $12.86 06/02/2022 Food and Beverage Undisputed 01/23/2026 949168927 CMS
RedHill Biopharma Inc. $25.69 03/11/2022 Food and Beverage Undisputed 01/23/2026 902945037 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.94 01/18/2022 Food and Beverage Undisputed 01/23/2026 959868065 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.47 02/02/2022 Food and Beverage Undisputed 01/23/2026 959427625 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.91 02/09/2022 Food and Beverage Undisputed 01/23/2026 960010159 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.90 02/16/2022 Food and Beverage Undisputed 01/23/2026 959425775 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.38 02/16/2022 Food and Beverage Undisputed 01/23/2026 960025603 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.68 03/09/2022 Food and Beverage Undisputed 01/23/2026 959747139 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.67 03/09/2022 Food and Beverage Undisputed 01/23/2026 959816719 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.20 03/21/2022 Food and Beverage Undisputed 01/23/2026 959387935 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.75 04/06/2022 Food and Beverage Undisputed 01/23/2026 959862547 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.55 04/19/2022 Food and Beverage Undisputed 01/23/2026 959472397 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.40 04/19/2022 Food and Beverage Undisputed 01/23/2026 959766569 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.95 04/20/2022 Food and Beverage Undisputed 01/23/2026 959771891 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.83 05/11/2022 Food and Beverage Undisputed 01/23/2026 959682323 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.81 06/01/2022 Food and Beverage Undisputed 01/23/2026 959894765 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $4.63 06/08/2022 Food and Beverage Undisputed 01/23/2026 959975955 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $4.86 06/08/2022 Food and Beverage Undisputed 01/23/2026 959994489 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.51 06/22/2022 Food and Beverage Undisputed 01/23/2026 959713959 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.12 07/01/2022 Food and Beverage Undisputed 01/23/2026 959445159 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.70 07/19/2022 Food and Beverage Undisputed 01/23/2026 959775193 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $4.58 07/19/2022 Food and Beverage Undisputed 01/23/2026 959829489 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.04 07/27/2022 Food and Beverage Undisputed 01/23/2026 959417895 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.31 07/27/2022 Food and Beverage Undisputed 01/23/2026 959524925 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.37 08/17/2022 Food and Beverage Undisputed 01/23/2026 959472795 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.78 08/17/2022 Food and Beverage Undisputed 01/23/2026 960034365 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.10 08/31/2022 Food and Beverage Undisputed 01/23/2026 959949695 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.12 09/14/2022 Food and Beverage Undisputed 01/23/2026 959671887 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.64 09/14/2022 Food and Beverage Undisputed 01/23/2026 959977467 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $4.83 09/21/2022 Food and Beverage Undisputed 01/23/2026 959979099 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.55 10/05/2022 Food and Beverage Undisputed 01/23/2026 959901583 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $4.85 10/27/2022 Food and Beverage Undisputed 01/23/2026 959737975 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.42 11/02/2022 Food and Beverage Undisputed 01/23/2026 959671419 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.21 11/02/2022 Food and Beverage Undisputed 01/23/2026 959968981 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.96 11/09/2022 Food and Beverage Undisputed 01/23/2026 959538269 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.06 11/23/2022 Food and Beverage Undisputed 01/23/2026 959845229 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.29 12/07/2022 Food and Beverage Undisputed 01/23/2026 959407427 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.02 12/30/2022 Food and Beverage Undisputed 01/23/2026 959998849 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022
Generated from
OP_DTL_GNRL_PGYR2022_P01232026_01102026.csv

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