Reflects CMS Open Payments as of 2026-07-26T04:22:22Z. CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

Covered recipient · General Payments record

MICHAEL F DEMYEN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI: 1568611465
CMS profile: 25910
Location: DENVILLE, NJ

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

General Payments · PY2019–2025

CMS publication 2026-06-30

Latest program year · PY2025

$2,237.84

101 records · 0 disputed

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”
— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated

This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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) AND records>=2 AND NPI identity (all years).
Methodology & Data — sourcing, labeling, and limitations.

By nature of payment

PY2025 · sorted by reported total

Nature of payment	Amount	Records
Food and Beverage	$2,237.84	101

By paying entity

PY2025 · sorted by reported total

Paying entity	Amount	Records
ABBVIE INC.	$431.98	15
Madrigal Pharmaceuticals	$400.91	27
Phathom Pharmaceuticals, Inc.	$290.49	19
Takeda Pharmaceuticals U.S.A., Inc.	$203.86	6
Novo Nordisk AS	$172.95	4
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$158.78	3
GlaxoSmithKline, LLC.	$122.20	1
Ardelyx, Inc.	$106.34	6
Janssen Biotech, Inc.	$100.51	6
AIMMUNE THERAPEUTICS, INC.	$74.06	4
Lilly USA, LLC	$38.89	2
PFIZER INC.	$30.61	2
GENZYME CORPORATION	$19.88	1
Exact Sciences Corporation	$19.53	1
Regeneron Healthcare Solutions, Inc.	$19.24	1
IRONWOOD PHARMACEUTICALS, INC	$17.03	1
Radius Health, Inc.	$17.00	1
Olympus America Inc.	$13.58	1

By program year

All program years on this page · sorted by year

Program year	Amount	Records
PY2019	$771.90	58
PY2020	$224.00	16
PY2021	$785.13	40
PY2022	$460.78	27
PY2023	$479.47	31
PY2024	$1,271.39	71
PY2025	$2,237.84	101

Payment records · PY2025 (101)

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

Program year 2025 2019 2020 2021 2022 2023 2024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.

Paying entity	Amount	Date	Nature of payment	Dispute status	Published	Record ID	Source
PFIZER INC.	$15.49	12/18/2025	Food and Beverage	No dispute reported	06/30/2026	1229937487	CMS
Olympus America Inc.	$13.58	12/17/2025	Food and Beverage	No dispute reported	06/30/2026	1223082824	CMS
Madrigal Pharmaceuticals	$4.78	12/16/2025	Food and Beverage	No dispute reported	06/30/2026	1248255047	CMS
Madrigal Pharmaceuticals	$7.07	12/16/2025	Food and Beverage	No dispute reported	06/30/2026	1248255049	CMS
Phathom Pharmaceuticals, Inc.	$18.32	12/16/2025	Food and Beverage	No dispute reported	06/30/2026	1219243814	CMS
Ardelyx, Inc.	$16.98	12/11/2025	Food and Beverage	No dispute reported	06/30/2026	1247844212	CMS
Phathom Pharmaceuticals, Inc.	$18.76	12/09/2025	Food and Beverage	No dispute reported	06/30/2026	1219243812	CMS
Ardelyx, Inc.	$18.29	12/05/2025	Food and Beverage	No dispute reported	06/30/2026	1247844209	CMS
Novo Nordisk Inc	$122.08	12/02/2025	Food and Beverage	No dispute reported	06/30/2026	1188572677	CMS
ABBVIE INC.	$16.41	12/01/2025	Food and Beverage	No dispute reported	06/30/2026	1201750332	CMS
Aimmune Therapeutics, Inc.	$18.52	11/18/2025	Food and Beverage	No dispute reported	06/30/2026	1249690537	CMS
Ardelyx, Inc.	$17.52	11/14/2025	Food and Beverage	No dispute reported	06/30/2026	1247844207	CMS
Phathom Pharmaceuticals, Inc.	$18.96	11/14/2025	Food and Beverage	No dispute reported	06/30/2026	1219243810	CMS
Madrigal Pharmaceuticals	$4.89	11/11/2025	Food and Beverage	No dispute reported	06/30/2026	1248255041	CMS
Madrigal Pharmaceuticals	$0.82	11/11/2025	Food and Beverage	No dispute reported	06/30/2026	1248255043	CMS
Madrigal Pharmaceuticals	$3.78	11/11/2025	Food and Beverage	No dispute reported	06/30/2026	1248255045	CMS
Phathom Pharmaceuticals, Inc.	$18.76	11/10/2025	Food and Beverage	No dispute reported	06/30/2026	1219243808	CMS
Novo Nordisk Inc	$17.56	11/06/2025	Food and Beverage	No dispute reported	06/30/2026	1189092197	CMS
Phathom Pharmaceuticals, Inc.	$18.53	11/04/2025	Food and Beverage	No dispute reported	06/30/2026	1219243806	CMS
Madrigal Pharmaceuticals	$16.28	10/31/2025	Food and Beverage	No dispute reported	06/30/2026	1248255039	CMS
Novo Nordisk Inc	$18.49	10/28/2025	Food and Beverage	No dispute reported	06/30/2026	1188382919	CMS
ABBVIE INC.	$19.96	10/20/2025	Food and Beverage	No dispute reported	06/30/2026	1201750330	CMS
GlaxoSmithKline, LLC.	$122.20	10/20/2025	Food and Beverage	No dispute reported	06/30/2026	1191037656	CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$18.12	10/15/2025	Food and Beverage	No dispute reported	06/30/2026	1231965351	CMS
ABBVIE INC.	$16.77	10/10/2025	Food and Beverage	No dispute reported	06/30/2026	1201750328	CMS
GENZYME CORPORATION	$19.88	10/10/2025	Food and Beverage	No dispute reported	06/30/2026	1233616886	CMS
Madrigal Pharmaceuticals	$6.91	10/02/2025	Food and Beverage	No dispute reported	06/30/2026	1248255035	CMS
Madrigal Pharmaceuticals	$5.00	10/02/2025	Food and Beverage	No dispute reported	06/30/2026	1248255037	CMS
PFIZER INC.	$15.12	10/02/2025	Food and Beverage	No dispute reported	06/30/2026	1229513275	CMS
Janssen Biotech, Inc.	$18.60	09/25/2025	Food and Beverage	No dispute reported	06/30/2026	1175161270	CMS
ABBVIE INC.	$125.00	09/24/2025	Food and Beverage	No dispute reported	06/30/2026	1201750326	CMS
Lilly USA, LLC	$17.92	09/23/2025	Food and Beverage	No dispute reported	06/30/2026	1186792687	CMS
Madrigal Pharmaceuticals	$22.14	09/22/2025	Food and Beverage	No dispute reported	06/30/2026	1248255033	CMS
Madrigal Pharmaceuticals	$10.35	09/19/2025	Food and Beverage	No dispute reported	06/30/2026	1248255029	CMS
Madrigal Pharmaceuticals	$7.46	09/19/2025	Food and Beverage	No dispute reported	06/30/2026	1248255031	CMS
Phathom Pharmaceuticals, Inc.	$6.15	09/18/2025	Food and Beverage	No dispute reported	06/30/2026	1219243818	CMS
Madrigal Pharmaceuticals	$7.52	09/02/2025	Food and Beverage	No dispute reported	06/30/2026	1248255025	CMS
Madrigal Pharmaceuticals	$5.18	09/02/2025	Food and Beverage	No dispute reported	06/30/2026	1248255027	CMS
Phathom Pharmaceuticals, Inc.	$17.64	09/02/2025	Food and Beverage	No dispute reported	06/30/2026	1219243816	CMS
Regeneron Healthcare Solutions, Inc.	$19.24	08/28/2025	Food and Beverage	No dispute reported	06/30/2026	1212904433	CMS
Madrigal Pharmaceuticals	$18.68	08/12/2025	Food and Beverage	No dispute reported	06/30/2026	1248255023	CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$122.83	08/12/2025	Food and Beverage	No dispute reported	06/30/2026	1231965354	CMS
ABBVIE INC.	$19.83	08/07/2025	Food and Beverage	No dispute reported	06/30/2026	1201750324	CMS
ABBVIE INC.	$124.98	08/06/2025	Food and Beverage	No dispute reported	06/30/2026	1201750322	CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC	$17.83	08/04/2025	Food and Beverage	No dispute reported	06/30/2026	1231965348	CMS
Phathom Pharmaceuticals, Inc.	$16.46	07/29/2025	Food and Beverage	No dispute reported	06/30/2026	1219243824	CMS
Madrigal Pharmaceuticals	$14.93	07/28/2025	Food and Beverage	No dispute reported	06/30/2026	1248255021	CMS
Janssen Biotech, Inc.	$17.29	07/22/2025	Food and Beverage	No dispute reported	06/30/2026	1175161023	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$10.90	07/22/2025	Food and Beverage	No dispute reported	06/30/2026	1223781871	CMS
Phathom Pharmaceuticals, Inc.	$16.03	07/17/2025	Food and Beverage	No dispute reported	06/30/2026	1219243822	CMS
ABBVIE INC.	$13.26	07/15/2025	Food and Beverage	No dispute reported	06/30/2026	1201750320	CMS
Madrigal Pharmaceuticals	$121.11	07/09/2025	Food and Beverage	No dispute reported	06/30/2026	1248255019	CMS
Aimmune Therapeutics, Inc.	$18.87	07/08/2025	Food and Beverage	No dispute reported	06/30/2026	1249690541	CMS
Phathom Pharmaceuticals, Inc.	$10.85	07/07/2025	Food and Beverage	No dispute reported	06/30/2026	1219243820	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$17.17	07/03/2025	Food and Beverage	No dispute reported	06/30/2026	1223781877	CMS
Madrigal Pharmaceuticals	$9.00	06/26/2025	Food and Beverage	No dispute reported	06/30/2026	1248255015	CMS
Madrigal Pharmaceuticals	$3.70	06/26/2025	Food and Beverage	No dispute reported	06/30/2026	1248255017	CMS
Phathom Pharmaceuticals, Inc.	$18.50	06/25/2025	Food and Beverage	No dispute reported	06/30/2026	1219351806	CMS
Janssen Biotech, Inc.	$16.33	06/19/2025	Food and Beverage	No dispute reported	06/30/2026	1175161016	CMS
Phathom Pharmaceuticals, Inc.	$5.85	06/10/2025	Food and Beverage	No dispute reported	06/30/2026	1219351804	CMS
Madrigal Pharmaceuticals	$18.92	06/05/2025	Food and Beverage	No dispute reported	06/30/2026	1248255013	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$124.98	06/04/2025	Food and Beverage	No dispute reported	06/30/2026	1223781897	CMS
Madrigal Pharmaceuticals	$19.00	06/02/2025	Food and Beverage	No dispute reported	06/30/2026	1248255011	CMS
Janssen Biotech, Inc.	$16.34	05/22/2025	Food and Beverage	No dispute reported	06/30/2026	1175161050	CMS
Radius Health, Inc.	$17.00	05/22/2025	Food and Beverage	No dispute reported	06/30/2026	1249517662	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$15.91	05/20/2025	Food and Beverage	No dispute reported	06/30/2026	1223781875	CMS
Aimmune Therapeutics, Inc.	$17.93	05/15/2025	Food and Beverage	No dispute reported	06/30/2026	1249690535	CMS
Phathom Pharmaceuticals, Inc.	$7.76	05/15/2025	Food and Beverage	No dispute reported	06/30/2026	1219351742	CMS
Madrigal Pharmaceuticals	$16.77	05/08/2025	Food and Beverage	No dispute reported	06/30/2026	1248255009	CMS
ABBVIE INC.	$18.44	05/07/2025	Food and Beverage	No dispute reported	06/30/2026	1201750318	CMS
Phathom Pharmaceuticals, Inc.	$17.67	05/01/2025	Food and Beverage	No dispute reported	06/30/2026	1219351682	CMS
ABBVIE INC.	$4.23	04/29/2025	Food and Beverage	No dispute reported	06/30/2026	1201750316	CMS
ABBVIE INC.	$7.49	04/15/2025	Food and Beverage	No dispute reported	06/30/2026	1201750314	CMS
Phathom Pharmaceuticals, Inc.	$17.63	04/11/2025	Food and Beverage	No dispute reported	06/30/2026	1219351680	CMS
Janssen Biotech, Inc.	$15.76	04/08/2025	Food and Beverage	No dispute reported	06/30/2026	1175160992	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$20.90	04/07/2025	Food and Beverage	No dispute reported	06/30/2026	1223781889	CMS
Madrigal Pharmaceuticals	$19.72	04/03/2025	Food and Beverage	No dispute reported	06/30/2026	1248255007	CMS
Ardelyx, Inc.	$17.58	03/27/2025	Food and Beverage	No dispute reported	06/30/2026	1247844205	CMS
Takeda Pharmaceuticals U.S.A., Inc.	$14.00	03/20/2025	Food and Beverage	No dispute reported	06/30/2026	1223781873	CMS
ABBVIE INC.	$18.73	03/18/2025	Food and Beverage	No dispute reported	06/30/2026	1201750312	CMS
Madrigal Pharmaceuticals	$7.78	03/18/2025	Food and Beverage	No dispute reported	06/30/2026	1248255005	CMS
Exact Sciences Corporation	$19.53	03/17/2025	Food and Beverage	No dispute reported	06/30/2026	1235635758	CMS
Madrigal Pharmaceuticals	$9.31	03/13/2025	Food and Beverage	No dispute reported	06/30/2026	1248255001	CMS
Madrigal Pharmaceuticals	$5.15	03/13/2025	Food and Beverage	No dispute reported	06/30/2026	1248255003	CMS
Phathom Pharmaceuticals, Inc.	$16.56	03/13/2025	Food and Beverage	No dispute reported	06/30/2026	1219351720	CMS
ABBVIE INC.	$4.19	03/12/2025	Food and Beverage	No dispute reported	06/30/2026	1201750310	CMS
Phathom Pharmaceuticals, Inc.	$18.56	03/11/2025	Food and Beverage	No dispute reported	06/30/2026	1219351684	CMS
Madrigal Pharmaceuticals	$17.85	03/04/2025	Food and Beverage	No dispute reported	06/30/2026	1248254999	CMS
Novo Nordisk Inc	$14.82	03/03/2025	Food and Beverage	No dispute reported	06/30/2026	1188493947	CMS
Madrigal Pharmaceuticals	$16.81	02/25/2025	Food and Beverage	No dispute reported	06/30/2026	1248254997	CMS
Ardelyx, Inc.	$18.09	02/20/2025	Food and Beverage	No dispute reported	06/30/2026	1247844203	CMS
ABBVIE INC.	$13.43	02/19/2025	Food and Beverage	No dispute reported	06/30/2026	1201750308	CMS
Ardelyx, Inc.	$17.88	02/11/2025	Food and Beverage	No dispute reported	06/30/2026	1247844201	CMS
Janssen Biotech, Inc.	$16.19	02/07/2025	Food and Beverage	No dispute reported	06/30/2026	1175161248	CMS
ABBVIE INC.	$16.13	02/06/2025	Food and Beverage	No dispute reported	06/30/2026	1201750306	CMS
Phathom Pharmaceuticals, Inc.	$11.51	02/02/2025	Food and Beverage	No dispute reported	06/30/2026	1219351740	CMS
IRONWOOD PHARMACEUTICALS, INC	$17.03	01/21/2025	Food and Beverage	No dispute reported	06/30/2026	1227654335	CMS
Lilly USA, LLC	$20.97	01/17/2025	Food and Beverage	No dispute reported	06/30/2026	1186792685	CMS
Phathom Pharmaceuticals, Inc.	$15.99	01/16/2025	Food and Beverage	No dispute reported	06/30/2026	1219351738	CMS
ABBVIE INC.	$13.13	01/14/2025	Food and Beverage	No dispute reported	06/30/2026	1201750304	CMS
Aimmune Therapeutics, Inc.	$18.74	01/09/2025	Food and Beverage	No dispute reported	06/30/2026	1249690539	CMS

Source & provenance

Dataset: CMS Open Payments — General Payments
Publisher of source data: Centers for Medicare & Medicaid Services
CMS publication date: 2026-06-30
Program years on this page: 2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files: Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from: OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.

Cite this record.

Permalink https://industrypayments.org/provider/npi-1568611465

Plain: MICHAEL F DEMYEN, NPI 1568611465. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1568611465.
APA 7: IndustryPayments. (2026). MICHAEL F DEMYEN, NPI 1568611465 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1568611465
Bluebook: MICHAEL F DEMYEN, NPI 1568611465, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1568611465.

Source: Centers for Medicare & Medicaid Services, Open Payments.