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

ALAN M MERMELSTEIN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1073520458
CMS profile
184520
Location
PHILA, PA

General Payments · PY2018–2024

$4,621.23

  • Reported across 234 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,425.09

71 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 PA All categories

By nature of payment

PY2024 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $1,404.87 70
Education $20.22 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Salix Pharmaceuticals, a division of Bausch Health US, LLC $297.70 17
ABBVIE INC. $237.03 12
Takeda Pharmaceuticals U.S.A., Inc. $191.85 8
Gilead Sciences, Inc. $147.22 10
GENZYME CORPORATION $87.66 5
Ardelyx, Inc. $85.52 4
Janssen Biotech, Inc. $80.59 3
SHIELD THERAPEUTICS INC $63.65 1
Ipsen Biopharmaceuticals, Inc $56.52 2
PFIZER INC. $54.00 3
Lilly USA, LLC $44.41 2
Phathom Pharmaceuticals, Inc. $21.58 1
Celltrion USA Inc. $20.22 1
IRONWOOD PHARMACEUTICALS, INC $19.40 1
EVOKE PHARMA, INC. $17.74 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $422.17 19
PY2019 $552.43 22
PY2020 $569.42 36
PY2021 $725.62 35
PY2022 $340.73 24
PY2023 $585.77 27
PY2024 $1,425.09 71

Payment records · PY2024 (71)

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
ABBVIE INC. $19.64 02/08/2024 Food and Beverage Undisputed 01/23/2026 1105025244 CMS
ABBVIE INC. $24.54 02/19/2024 Food and Beverage Undisputed 01/23/2026 1105025246 CMS
ABBVIE INC. $12.46 03/16/2024 Food and Beverage Undisputed 01/23/2026 1105025248 CMS
ABBVIE INC. $24.68 04/15/2024 Food and Beverage Undisputed 01/23/2026 1105025250 CMS
ABBVIE INC. $16.10 04/17/2024 Food and Beverage Undisputed 01/23/2026 1105025252 CMS
ABBVIE INC. $13.79 04/24/2024 Food and Beverage Undisputed 01/23/2026 1105025254 CMS
ABBVIE INC. $21.86 05/29/2024 Food and Beverage Undisputed 01/23/2026 1105025256 CMS
ABBVIE INC. $23.65 07/24/2024 Food and Beverage Undisputed 01/23/2026 1105025258 CMS
ABBVIE INC. $21.41 07/29/2024 Food and Beverage Undisputed 01/23/2026 1105025260 CMS
ABBVIE INC. $16.36 08/15/2024 Food and Beverage Undisputed 01/23/2026 1105025262 CMS
ABBVIE INC. $21.73 08/28/2024 Food and Beverage Undisputed 01/23/2026 1105025264 CMS
ABBVIE INC. $20.81 09/30/2024 Food and Beverage Undisputed 01/23/2026 1105025266 CMS
Ardelyx, Inc. $20.14 03/28/2024 Food and Beverage Undisputed 01/23/2026 1146695506 CMS
Ardelyx, Inc. $23.98 04/23/2024 Food and Beverage Undisputed 01/23/2026 1146695508 CMS
Ardelyx, Inc. $17.16 10/14/2024 Food and Beverage Undisputed 01/23/2026 1146695510 CMS
Ardelyx, Inc. $24.24 12/10/2024 Food and Beverage Undisputed 01/23/2026 1146695512 CMS
Celltrion USA Inc. $20.22 06/09/2024 Education Undisputed 01/23/2026 1075855267 CMS
EVOKE PHARMA, INC. $17.74 05/17/2024 Food and Beverage Undisputed 01/23/2026 1127776529 CMS
GENZYME CORPORATION $19.22 01/26/2024 Food and Beverage Undisputed 01/23/2026 1139578956 CMS
GENZYME CORPORATION $19.08 02/28/2024 Food and Beverage Undisputed 01/23/2026 1139578972 CMS
GENZYME CORPORATION $13.85 04/18/2024 Food and Beverage Undisputed 01/23/2026 1139578994 CMS
GENZYME CORPORATION $19.25 10/18/2024 Food and Beverage Undisputed 01/23/2026 1139579066 CMS
GENZYME CORPORATION $16.26 11/06/2024 Food and Beverage Undisputed 01/23/2026 1139579076 CMS
Gilead Sciences, Inc. $16.82 02/06/2024 Food and Beverage Undisputed 01/23/2026 1133775859 CMS
Gilead Sciences, Inc. $16.45 04/02/2024 Food and Beverage Undisputed 01/23/2026 1133775861 CMS
Gilead Sciences, Inc. $17.69 05/31/2024 Food and Beverage Undisputed 01/23/2026 1133775863 CMS
Gilead Sciences, Inc. $16.95 06/13/2024 Food and Beverage Undisputed 01/23/2026 1133775865 CMS
Gilead Sciences, Inc. $13.26 06/18/2024 Food and Beverage Undisputed 01/23/2026 1133775867 CMS
Gilead Sciences, Inc. $3.53 07/17/2024 Food and Beverage Undisputed 01/23/2026 1133775869 CMS
Gilead Sciences, Inc. $15.19 08/08/2024 Food and Beverage Undisputed 01/23/2026 1133775871 CMS
Gilead Sciences, Inc. $20.58 09/05/2024 Food and Beverage Undisputed 01/23/2026 1133775873 CMS
Gilead Sciences, Inc. $14.76 10/10/2024 Food and Beverage Undisputed 01/23/2026 1133775875 CMS
Gilead Sciences, Inc. $11.99 11/22/2024 Food and Beverage Undisputed 01/23/2026 1133775877 CMS
Ipsen Biopharmaceuticals, Inc $28.21 07/10/2024 Food and Beverage Undisputed 01/23/2026 1091985323 CMS
Ipsen Biopharmaceuticals, Inc $28.31 09/04/2024 Food and Beverage Undisputed 01/23/2026 1091985325 CMS
IRONWOOD PHARMACEUTICALS, INC $19.40 01/08/2024 Food and Beverage Undisputed 01/23/2026 1153755725 CMS
Janssen Biotech, Inc. $18.80 03/18/2024 Food and Beverage Undisputed 01/23/2026 1078611606 CMS
Janssen Biotech, Inc. $20.41 09/25/2024 Food and Beverage Undisputed 01/23/2026 1078611573 CMS
Janssen Biotech, Inc. $41.38 11/04/2024 Food and Beverage Undisputed 01/23/2026 1078611586 CMS
Lilly USA, LLC $19.10 01/18/2024 Food and Beverage Undisputed 01/23/2026 1136017909 CMS
Lilly USA, LLC $25.31 11/16/2024 Food and Beverage Undisputed 01/23/2026 1136013005 CMS
PFIZER INC. $20.01 01/31/2024 Food and Beverage Undisputed 01/23/2026 1131561183 CMS
PFIZER INC. $17.77 08/13/2024 Food and Beverage Undisputed 01/23/2026 1131859051 CMS
PFIZER INC. $16.22 09/11/2024 Food and Beverage Undisputed 01/23/2026 1131947234 CMS
Phathom Pharmaceuticals, Inc. $21.58 03/12/2024 Food and Beverage Undisputed 01/23/2026 1151096513 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.69 01/31/2024 Food and Beverage Undisputed 01/23/2026 1153715382 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.26 02/14/2024 Food and Beverage Undisputed 01/23/2026 1153667294 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.69 03/06/2024 Food and Beverage Undisputed 01/23/2026 1153691710 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.70 03/27/2024 Food and Beverage Undisputed 01/23/2026 1153485775 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.37 04/03/2024 Food and Beverage Undisputed 01/23/2026 1153436789 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.37 04/17/2024 Food and Beverage Undisputed 01/23/2026 1153558179 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.21 06/18/2024 Food and Beverage Undisputed 01/23/2026 1153441537 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.97 06/18/2024 Food and Beverage Undisputed 01/23/2026 1153613004 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.43 06/18/2024 Food and Beverage Undisputed 01/23/2026 1153662492 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $12.74 06/26/2024 Food and Beverage Undisputed 01/23/2026 1153444259 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.09 07/03/2024 Food and Beverage Undisputed 01/23/2026 1153568352 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $23.17 11/20/2024 Food and Beverage Undisputed 01/23/2026 1153701347 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $22.76 11/27/2024 Food and Beverage Undisputed 01/23/2026 1153469347 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $24.67 11/27/2024 Food and Beverage Undisputed 01/23/2026 1153534756 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $2.88 11/27/2024 Food and Beverage Undisputed 01/23/2026 1153545209 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $3.69 12/23/2024 Food and Beverage Undisputed 01/23/2026 1153441791 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $20.01 12/23/2024 Food and Beverage Undisputed 01/23/2026 1153574644 CMS
SHIELD THERAPEUTICS INC $63.65 10/21/2024 Food and Beverage Undisputed 01/23/2026 1150150419 CMS
Takeda Pharmaceuticals U.S.A., Inc. $19.01 02/07/2024 Food and Beverage Undisputed 01/23/2026 1137635094 CMS
Takeda Pharmaceuticals U.S.A., Inc. $23.20 03/25/2024 Food and Beverage Undisputed 01/23/2026 1137635096 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.98 04/11/2024 Food and Beverage Undisputed 01/23/2026 1137635098 CMS
Takeda Pharmaceuticals U.S.A., Inc. $32.31 04/12/2024 Food and Beverage Undisputed 01/23/2026 1137635100 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.82 05/01/2024 Food and Beverage Undisputed 01/23/2026 1137635102 CMS
Takeda Pharmaceuticals U.S.A., Inc. $28.67 06/27/2024 Food and Beverage Undisputed 01/23/2026 1137635104 CMS
Takeda Pharmaceuticals U.S.A., Inc. $34.87 08/09/2024 Food and Beverage Undisputed 01/23/2026 1137635106 CMS
Takeda Pharmaceuticals U.S.A., Inc. $17.99 10/28/2024 Food and Beverage Undisputed 01/23/2026 1137635108 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.