Covered recipient · General Payments record

JAMES WHITNEY DIAMANTOPOULOS

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI: 1871225904
CMS profile: 11408146
Location: BRIGHTON, MA

General Payments · PY2023–2024

$4,036.99

Reported across 167 records
CMS publication 2026-01-23

Latest program year · PY2024

$2,870.51

130 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.

By nature of payment

PY2024 · sorted by reported total

Nature of payment	Amount	Records
Food and Beverage	$2,604.00	125
Education	$266.51	5

By paying entity

PY2024 · sorted by reported total

Paying entity	Amount	Records
ABBVIE INC.	$716.13	40
UCB, Inc.	$538.36	18
Janssen Biotech, Inc.	$429.31	14
E.R. Squibb & Sons, L.L.C.	$348.89	25
Regeneron Healthcare Solutions, Inc.	$189.99	6
Galderma Laboratories, L.P.	$142.96	5
GENZYME CORPORATION	$135.33	5
Lilly USA, LLC	$134.56	8
Amgen Inc.	$87.41	3
NOVARTIS PHARMACEUTICALS CORPORATION	$53.01	2
SUN PHARMACEUTICAL INDUSTRIES INC.	$43.48	2
Dermavant Sciences, Inc.	$28.35	1
Ortho Dermatologics, a division of Bausch Health US, LLC	$22.73	1

By program year

All program years on this page · sorted by year

Program year	Amount	Records
PY2023	$1,166.48	37
PY2024	$2,870.51	130

Payment records · PY2024 (130)

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

Program year 2024 2023 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.	$8.77	01/09/2024	Food and Beverage	Undisputed	01/23/2026	1107019110	CMS
ABBVIE INC.	$18.77	01/18/2024	Food and Beverage	Undisputed	01/23/2026	1107019112	CMS
ABBVIE INC.	$11.18	01/19/2024	Food and Beverage	Undisputed	01/23/2026	1107019114	CMS
ABBVIE INC.	$30.79	02/06/2024	Food and Beverage	Undisputed	01/23/2026	1107019116	CMS
ABBVIE INC.	$5.23	02/22/2024	Food and Beverage	Undisputed	01/23/2026	1107019118	CMS
ABBVIE INC.	$8.45	03/12/2024	Education	Undisputed	01/23/2026	1107019120	CMS
ABBVIE INC.	$21.01	04/04/2024	Food and Beverage	Undisputed	01/23/2026	1107019122	CMS
ABBVIE INC.	$19.02	04/26/2024	Food and Beverage	Undisputed	01/23/2026	1107019124	CMS
ABBVIE INC.	$29.96	05/01/2024	Food and Beverage	Undisputed	01/23/2026	1107019126	CMS
ABBVIE INC.	$27.37	05/02/2024	Food and Beverage	Undisputed	01/23/2026	1107019128	CMS
ABBVIE INC.	$22.46	05/08/2024	Food and Beverage	Undisputed	01/23/2026	1107019130	CMS
ABBVIE INC.	$6.50	05/17/2024	Food and Beverage	Undisputed	01/23/2026	1107019132	CMS
ABBVIE INC.	$19.95	06/05/2024	Food and Beverage	Undisputed	01/23/2026	1107019134	CMS
ABBVIE INC.	$31.13	06/14/2024	Food and Beverage	Undisputed	01/23/2026	1107019136	CMS
ABBVIE INC.	$24.70	06/25/2024	Food and Beverage	Undisputed	01/23/2026	1107019138	CMS
ABBVIE INC.	$5.10	07/09/2024	Food and Beverage	Undisputed	01/23/2026	1107019140	CMS
ABBVIE INC.	$19.97	07/12/2024	Food and Beverage	Undisputed	01/23/2026	1107019142	CMS
ABBVIE INC.	$24.73	07/23/2024	Food and Beverage	Undisputed	01/23/2026	1107019144	CMS
ABBVIE INC.	$5.10	08/01/2024	Food and Beverage	Undisputed	01/23/2026	1107019146	CMS
ABBVIE INC.	$4.71	08/06/2024	Food and Beverage	Undisputed	01/23/2026	1107019148	CMS
ABBVIE INC.	$5.09	08/13/2024	Food and Beverage	Undisputed	01/23/2026	1107019150	CMS
ABBVIE INC.	$5.57	08/23/2024	Food and Beverage	Undisputed	01/23/2026	1107019152	CMS
ABBVIE INC.	$8.53	09/05/2024	Food and Beverage	Undisputed	01/23/2026	1107019154	CMS
ABBVIE INC.	$18.70	09/10/2024	Food and Beverage	Undisputed	01/23/2026	1107019156	CMS
ABBVIE INC.	$9.90	09/13/2024	Food and Beverage	Undisputed	01/23/2026	1107019158	CMS
ABBVIE INC.	$4.92	09/13/2024	Food and Beverage	Undisputed	01/23/2026	1107019160	CMS
ABBVIE INC.	$32.95	10/08/2024	Food and Beverage	Undisputed	01/23/2026	1107019162	CMS
ABBVIE INC.	$14.59	10/16/2024	Food and Beverage	Undisputed	01/23/2026	1107019164	CMS
ABBVIE INC.	$25.06	10/24/2024	Food and Beverage	Undisputed	01/23/2026	1107019166	CMS
ABBVIE INC.	$23.59	10/31/2024	Food and Beverage	Undisputed	01/23/2026	1107019168	CMS
ABBVIE INC.	$6.44	11/01/2024	Food and Beverage	Undisputed	01/23/2026	1107019170	CMS
ABBVIE INC.	$24.62	11/12/2024	Food and Beverage	Undisputed	01/23/2026	1107019172	CMS
ABBVIE INC.	$145.36	11/15/2024	Food and Beverage	Undisputed	01/23/2026	1107019174	CMS
ABBVIE INC.	$5.47	11/19/2024	Food and Beverage	Undisputed	01/23/2026	1107019176	CMS
ABBVIE INC.	$6.15	11/22/2024	Food and Beverage	Undisputed	01/23/2026	1107019178	CMS
ABBVIE INC.	$11.25	11/23/2024	Food and Beverage	Undisputed	01/23/2026	1107019180	CMS
ABBVIE INC.	$5.09	12/03/2024	Food and Beverage	Undisputed	01/23/2026	1107019182	CMS
ABBVIE INC.	$4.89	12/12/2024	Food and Beverage	Undisputed	01/23/2026	1107019184	CMS
ABBVIE INC.	$8.45	12/17/2024	Education	Undisputed	01/23/2026	1107019186	CMS
ABBVIE INC.	$4.61	12/17/2024	Food and Beverage	Undisputed	01/23/2026	1107019188	CMS
Amgen Inc.	$30.29	03/07/2024	Food and Beverage	Undisputed	01/23/2026	1117541140	CMS
Amgen Inc.	$26.02	05/06/2024	Food and Beverage	Undisputed	01/23/2026	1117541142	CMS
Amgen Inc.	$31.10	08/21/2024	Food and Beverage	Undisputed	01/23/2026	1117541144	CMS
Dermavant Sciences, Inc.	$28.35	08/23/2024	Food and Beverage	Undisputed	01/23/2026	1127968223	CMS
E.R. Squibb & Sons, L.L.C.	$7.09	01/05/2024	Food and Beverage	Undisputed	01/23/2026	1101484688	CMS
E.R. Squibb & Sons, L.L.C.	$13.45	02/01/2024	Food and Beverage	Undisputed	01/23/2026	1101484691	CMS
E.R. Squibb & Sons, L.L.C.	$10.11	02/09/2024	Food and Beverage	Undisputed	01/23/2026	1101484699	CMS
E.R. Squibb & Sons, L.L.C.	$21.69	02/21/2024	Food and Beverage	Undisputed	01/23/2026	1101484702	CMS
E.R. Squibb & Sons, L.L.C.	$24.92	04/03/2024	Food and Beverage	Undisputed	01/23/2026	1101484733	CMS
E.R. Squibb & Sons, L.L.C.	$9.26	04/23/2024	Food and Beverage	Undisputed	01/23/2026	1101484740	CMS
E.R. Squibb & Sons, L.L.C.	$7.78	05/28/2024	Food and Beverage	Undisputed	01/23/2026	1101484759	CMS
E.R. Squibb & Sons, L.L.C.	$21.75	07/03/2024	Food and Beverage	Undisputed	01/23/2026	1101484755	CMS
E.R. Squibb & Sons, L.L.C.	$31.35	07/19/2024	Food and Beverage	Undisputed	01/23/2026	1101484783	CMS
E.R. Squibb & Sons, L.L.C.	$6.64	07/31/2024	Food and Beverage	Undisputed	01/23/2026	1101484774	CMS
E.R. Squibb & Sons, L.L.C.	$4.06	08/16/2024	Food and Beverage	Undisputed	01/23/2026	1101484790	CMS
E.R. Squibb & Sons, L.L.C.	$14.86	09/06/2024	Food and Beverage	Undisputed	01/23/2026	1101484802	CMS
E.R. Squibb & Sons, L.L.C.	$6.05	09/25/2024	Food and Beverage	Undisputed	01/23/2026	1101484806	CMS
E.R. Squibb & Sons, L.L.C.	$3.12	09/26/2024	Food and Beverage	Undisputed	01/23/2026	1101484813	CMS
E.R. Squibb & Sons, L.L.C.	$4.50	09/27/2024	Food and Beverage	Undisputed	01/23/2026	1101484817	CMS
E.R. Squibb & Sons, L.L.C.	$20.12	10/02/2024	Food and Beverage	Undisputed	01/23/2026	1101484829	CMS
E.R. Squibb & Sons, L.L.C.	$13.85	10/11/2024	Food and Beverage	Undisputed	01/23/2026	1101484821	CMS
E.R. Squibb & Sons, L.L.C.	$18.78	10/18/2024	Food and Beverage	Undisputed	01/23/2026	1101484843	CMS
E.R. Squibb & Sons, L.L.C.	$25.41	10/22/2024	Food and Beverage	Undisputed	01/23/2026	1101484850	CMS
E.R. Squibb & Sons, L.L.C.	$4.74	10/25/2024	Food and Beverage	Undisputed	01/23/2026	1101484861	CMS
E.R. Squibb & Sons, L.L.C.	$7.49	11/06/2024	Food and Beverage	Undisputed	01/23/2026	1101484847	CMS
E.R. Squibb & Sons, L.L.C.	$33.42	12/04/2024	Food and Beverage	Undisputed	01/23/2026	1101484877	CMS
E.R. Squibb & Sons, L.L.C.	$14.86	12/06/2024	Food and Beverage	Undisputed	01/23/2026	1101484873	CMS
E.R. Squibb & Sons, L.L.C.	$18.59	12/11/2024	Food and Beverage	Undisputed	01/23/2026	1101484884	CMS
E.R. Squibb & Sons, L.L.C.	$5.00	12/13/2024	Food and Beverage	Undisputed	01/23/2026	1101484880	CMS
Galderma Laboratories, L.P.	$5.99	02/20/2024	Food and Beverage	Undisputed	01/23/2026	1145353801	CMS
Galderma Laboratories, L.P.	$6.89	05/14/2024	Food and Beverage	Undisputed	01/23/2026	1145353803	CMS
Galderma Laboratories, L.P.	$114.32	07/25/2024	Food and Beverage	Undisputed	01/23/2026	1145353805	CMS
Galderma Laboratories, L.P.	$5.74	10/29/2024	Food and Beverage	Undisputed	01/23/2026	1145353807	CMS
Galderma Laboratories, L.P.	$10.02	11/15/2024	Food and Beverage	Undisputed	01/23/2026	1145353809	CMS
GENZYME CORPORATION	$35.89	06/05/2024	Food and Beverage	Undisputed	01/23/2026	1139815629	CMS
GENZYME CORPORATION	$29.84	06/21/2024	Food and Beverage	Undisputed	01/23/2026	1139815645	CMS
GENZYME CORPORATION	$17.75	07/24/2024	Food and Beverage	Undisputed	01/23/2026	1139815649	CMS
GENZYME CORPORATION	$28.28	11/07/2024	Food and Beverage	Undisputed	01/23/2026	1139815705	CMS
GENZYME CORPORATION	$23.57	12/03/2024	Food and Beverage	Undisputed	01/23/2026	1139815715	CMS
Janssen Biotech, Inc.	$24.81	01/05/2024	Food and Beverage	Undisputed	01/23/2026	1078691173	CMS
Janssen Biotech, Inc.	$32.14	02/16/2024	Food and Beverage	Undisputed	01/23/2026	1078691211	CMS
Janssen Biotech, Inc.	$39.20	02/27/2024	Food and Beverage	Undisputed	01/23/2026	1078691150	CMS
Janssen Biotech, Inc.	$72.00	02/28/2024	Education	Undisputed	01/23/2026	1078691178	CMS
Janssen Biotech, Inc.	$18.73	03/26/2024	Food and Beverage	Undisputed	01/23/2026	1078691264	CMS
Janssen Biotech, Inc.	$37.45	04/25/2024	Food and Beverage	Undisputed	01/23/2026	1078691231	CMS
Janssen Biotech, Inc.	$8.90	09/19/2024	Food and Beverage	Undisputed	01/23/2026	1078691220	CMS
Janssen Biotech, Inc.	$22.24	09/26/2024	Food and Beverage	Undisputed	01/23/2026	1078691252	CMS
Janssen Biotech, Inc.	$5.95	10/03/2024	Food and Beverage	Undisputed	01/23/2026	1078691145	CMS
Janssen Biotech, Inc.	$22.30	10/09/2024	Food and Beverage	Undisputed	01/23/2026	1078691227	CMS
Janssen Biotech, Inc.	$41.56	11/06/2024	Food and Beverage	Undisputed	01/23/2026	1078691195	CMS
Janssen Biotech, Inc.	$5.30	12/04/2024	Food and Beverage	Undisputed	01/23/2026	1078691157	CMS
Janssen Biotech, Inc.	$15.78	12/12/2024	Food and Beverage	Undisputed	01/23/2026	1078691267	CMS
Janssen Biotech, Inc.	$82.95	12/18/2024	Education	Undisputed	01/23/2026	1078691203	CMS
Lilly USA, LLC	$19.01	03/28/2024	Food and Beverage	Undisputed	01/23/2026	1135687204	CMS
Lilly USA, LLC	$14.68	05/03/2024	Food and Beverage	Undisputed	01/23/2026	1135672744	CMS
Lilly USA, LLC	$13.55	05/11/2024	Food and Beverage	Undisputed	01/23/2026	1135701574	CMS
Lilly USA, LLC	$12.35	08/02/2024	Food and Beverage	Undisputed	01/23/2026	1135707120	CMS
Lilly USA, LLC	$27.66	10/11/2024	Food and Beverage	Undisputed	01/23/2026	1135672740	CMS
Lilly USA, LLC	$22.02	10/16/2024	Food and Beverage	Undisputed	01/23/2026	1135642328	CMS
Lilly USA, LLC	$7.04	10/18/2024	Food and Beverage	Undisputed	01/23/2026	1135672742	CMS
Lilly USA, LLC	$18.25	11/20/2024	Food and Beverage	Undisputed	01/23/2026	1135687202	CMS
Novartis Pharmaceuticals Corporation	$28.67	01/26/2024	Food and Beverage	Undisputed	01/23/2026	1086934371	CMS
Novartis Pharmaceuticals Corporation	$24.34	10/29/2024	Food and Beverage	Undisputed	01/23/2026	1086934385	CMS
Ortho Dermatologics, a division of Bausch Health US, LLC	$22.73	04/12/2024	Food and Beverage	Undisputed	01/23/2026	1153824035	CMS
Regeneron Healthcare Solutions, Inc.	$30.88	01/16/2024	Food and Beverage	Undisputed	01/23/2026	1114292859	CMS
Regeneron Healthcare Solutions, Inc.	$17.73	04/10/2024	Food and Beverage	Undisputed	01/23/2026	1114292861	CMS
Regeneron Healthcare Solutions, Inc.	$27.92	05/22/2024	Food and Beverage	Undisputed	01/23/2026	1114292863	CMS
Regeneron Healthcare Solutions, Inc.	$94.66	08/06/2024	Education	Undisputed	01/23/2026	1114292865	CMS
Regeneron Healthcare Solutions, Inc.	$10.02	10/08/2024	Food and Beverage	Undisputed	01/23/2026	1114292867	CMS
Regeneron Healthcare Solutions, Inc.	$8.78	11/12/2024	Food and Beverage	Undisputed	01/23/2026	1114292869	CMS
SUN PHARMACEUTICAL INDUSTRIES INC.	$20.67	07/11/2024	Food and Beverage	Undisputed	01/23/2026	1152237584	CMS
SUN PHARMACEUTICAL INDUSTRIES INC.	$22.81	07/17/2024	Food and Beverage	Undisputed	01/23/2026	1152237586	CMS
UCB, Inc.	$22.87	02/21/2024	Food and Beverage	Undisputed	01/23/2026	1143021929	CMS
UCB, Inc.	$116.40	02/22/2024	Food and Beverage	Undisputed	01/23/2026	1143021931	CMS
UCB, Inc.	$16.93	03/08/2024	Food and Beverage	Undisputed	01/23/2026	1143021933	CMS
UCB, Inc.	$23.42	04/19/2024	Food and Beverage	Undisputed	01/23/2026	1143021935	CMS
UCB, Inc.	$12.79	04/24/2024	Food and Beverage	Undisputed	01/23/2026	1143021937	CMS
UCB, Inc.	$14.36	05/02/2024	Food and Beverage	Undisputed	01/23/2026	1143021939	CMS
UCB, Inc.	$38.82	05/16/2024	Food and Beverage	Undisputed	01/23/2026	1143021941	CMS
UCB, Inc.	$10.04	05/31/2024	Food and Beverage	Undisputed	01/23/2026	1143021943	CMS
UCB, Inc.	$10.50	05/31/2024	Food and Beverage	Undisputed	01/23/2026	1143021945	CMS
UCB, Inc.	$90.96	08/19/2024	Food and Beverage	Undisputed	01/23/2026	1143021947	CMS
UCB, Inc.	$15.03	09/05/2024	Food and Beverage	Undisputed	01/23/2026	1143021949	CMS
UCB, Inc.	$5.83	09/13/2024	Food and Beverage	Undisputed	01/23/2026	1143021951	CMS
UCB, Inc.	$33.70	09/13/2024	Food and Beverage	Undisputed	01/23/2026	1143021953	CMS
UCB, Inc.	$28.95	11/08/2024	Food and Beverage	Undisputed	01/23/2026	1143021955	CMS
UCB, Inc.	$41.31	11/22/2024	Food and Beverage	Undisputed	01/23/2026	1143021957	CMS
UCB, Inc.	$26.43	12/13/2024	Food and Beverage	Undisputed	01/23/2026	1143021959	CMS
UCB, Inc.	$12.81	12/20/2024	Food and Beverage	Undisputed	01/23/2026	1143021961	CMS
UCB, Inc.	$17.21	12/20/2024	Food and Beverage	Undisputed	01/23/2026	1143021963	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: 2023, 2024
Source files: Dataset page · Bulk file · 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.