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

TESSA A CHAMBERLAIN

Physician Assistants & Advanced Practice Nursing Providers Nurse Practitioner Family

NPI
1932483542
CMS profile
10780047
Location
NEW YORK, NY

General Payments · PY2022–2024

$1,228.71

  • Reported across 49 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$433.55

18 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 paymentAmountRecords
Food and Beverage $433.55 18

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $135.65 6
PY2023 $659.51 25
PY2024 $433.55 18

Payment records · PY2024 (18)

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

Program year 2024 20222023 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
AstraZeneca Pharmaceuticals LP $25.10 09/11/2024 Food and Beverage Undisputed 01/23/2026 1105500980 CMS
AstraZeneca Pharmaceuticals LP $22.36 10/02/2024 Food and Beverage Undisputed 01/23/2026 1105517557 CMS
EMD Serono, Inc. $21.89 03/27/2024 Food and Beverage Undisputed 01/23/2026 1120227062 CMS
EMD Serono, Inc. $30.64 05/01/2024 Food and Beverage Undisputed 01/23/2026 1120229390 CMS
EMD Serono, Inc. $26.38 05/29/2024 Food and Beverage Undisputed 01/23/2026 1120229242 CMS
EMD Serono, Inc. $34.83 07/24/2024 Food and Beverage Undisputed 01/23/2026 1120243569 CMS
GENZYME CORPORATION $36.13 01/24/2024 Food and Beverage Undisputed 01/23/2026 1139765836 CMS
GENZYME CORPORATION $21.45 04/11/2024 Food and Beverage Undisputed 01/23/2026 1139765846 CMS
Merck Sharp & Dohme LLC $17.31 10/16/2024 Food and Beverage Undisputed 01/23/2026 1141650603 CMS
Merck Sharp & Dohme LLC $21.39 11/20/2024 Food and Beverage Undisputed 01/23/2026 1141650601 CMS
PFIZER INC. $26.85 01/31/2024 Food and Beverage Undisputed 01/23/2026 1131139988 CMS
PFIZER INC. $21.67 01/31/2024 Food and Beverage Undisputed 01/23/2026 1131139992 CMS
PFIZER INC. $18.79 04/11/2024 Food and Beverage Undisputed 01/23/2026 1131414702 CMS
PFIZER INC. $20.95 11/06/2024 Food and Beverage Undisputed 01/23/2026 1131237030 CMS
Regeneron Healthcare Solutions, Inc. $23.90 02/07/2024 Food and Beverage Undisputed 01/23/2026 1114282773 CMS
Regeneron Healthcare Solutions, Inc. $21.96 04/17/2024 Food and Beverage Undisputed 01/23/2026 1114282775 CMS
Regeneron Healthcare Solutions, Inc. $19.19 07/31/2024 Food and Beverage Undisputed 01/23/2026 1114282777 CMS
Sumitomo Pharma America, Inc. $22.76 06/26/2024 Food and Beverage Undisputed 01/23/2026 1148950659 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.