Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

STEPHANIE J MANDELMAN

Allopathic & Osteopathic Physicians Obstetrics & Gynecology

NPI
1851315196
CMS profile
83558
Location
WESTLAKE VILLAGE, CA

General Payments · PY2019–2025

$3,427.48

  • Reported across 203 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$328.56

15 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $243.57 14
Education $84.99 1

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
Astellas Pharma US Inc $117.84 2
MAYNE PHARMA COMMERCIAL LLC $107.64 8
Sage Therapeutics, Inc. $51.25 3
ABBVIE INC. $27.05 1
MILLICENT US INC $24.78 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $632.39 76
PY2020 $182.64 4
PY2021 $354.92 31
PY2022 $403.66 45
PY2023 $224.19 20
PY2024 $1,301.12 12
PY2025 $328.56 15

Payment records · PY2025 (15)

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

Program year 2025 201920202021202220232024 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
ABBVIE INC. $27.05 02/27/2025 Food and Beverage Undisputed 06/30/2026 1203008667 CMS
Astellas Pharma US Inc $84.99 02/05/2025 Education Undisputed 06/30/2026 1238606564 CMS
Astellas Pharma US Inc $32.85 02/05/2025 Food and Beverage Undisputed 06/30/2026 1238741124 CMS
MAYNE PHARMA COMMERCIAL LLC $20.36 01/15/2025 Food and Beverage Undisputed 06/30/2026 1254326964 CMS
MAYNE PHARMA COMMERCIAL LLC $2.01 01/15/2025 Food and Beverage Undisputed 06/30/2026 1254326980 CMS
MAYNE PHARMA COMMERCIAL LLC $5.32 02/19/2025 Food and Beverage Undisputed 06/30/2026 1254327032 CMS
MAYNE PHARMA COMMERCIAL LLC $9.25 03/26/2025 Food and Beverage Undisputed 06/30/2026 1254327218 CMS
MAYNE PHARMA COMMERCIAL LLC $24.06 07/06/2025 Food and Beverage Undisputed 06/30/2026 1254327508 CMS
MAYNE PHARMA COMMERCIAL LLC $10.49 08/29/2025 Food and Beverage Undisputed 06/30/2026 1254327588 CMS
MAYNE PHARMA COMMERCIAL LLC $25.47 11/17/2025 Food and Beverage Undisputed 06/30/2026 1254327758 CMS
MAYNE PHARMA COMMERCIAL LLC $10.68 12/12/2025 Food and Beverage Undisputed 06/30/2026 1254327834 CMS
MILLICENT US INC $24.78 10/09/2025 Food and Beverage Undisputed 06/30/2026 1235199910 CMS
Sage Therapeutics, LLC $21.22 01/23/2025 Food and Beverage Undisputed 06/30/2026 1211475917 CMS
Sage Therapeutics, LLC $15.74 04/02/2025 Food and Beverage Undisputed 06/30/2026 1211482916 CMS
Sage Therapeutics, LLC $14.29 06/26/2025 Food and Beverage Undisputed 06/30/2026 1211460752 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

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