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

MELISSA ANN LEHMER

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1699922252
CMS profile
809983
Location
WALNUT CREEK, CA

General Payments · PY2018–2024

$2,581.14

  • Reported across 112 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$585.40

23 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 $585.40 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $315.17 16
PY2019 $252.12 12
PY2020 $356.91 17
PY2021 $411.28 18
PY2022 $372.36 14
PY2023 $287.90 12
PY2024 $585.40 23

Payment records · PY2024 (23)

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. $27.48 06/28/2024 Food and Beverage Undisputed 01/23/2026 1104158850 CMS
Alexion Pharmaceuticals, Inc. $33.62 04/30/2024 Food and Beverage Undisputed 01/23/2026 1093991023 CMS
Alexion Pharmaceuticals, Inc. $31.36 11/05/2024 Food and Beverage Undisputed 01/23/2026 1093999094 CMS
Amgen Inc. $21.35 05/15/2024 Food and Beverage Undisputed 01/23/2026 1115862887 CMS
ARGENX US, INC. $29.58 01/17/2024 Food and Beverage Undisputed 01/23/2026 1142102712 CMS
ARGENX US, INC. $21.63 09/04/2024 Food and Beverage Undisputed 01/23/2026 1142122763 CMS
AstraZeneca Pharmaceuticals LP $13.72 02/06/2024 Food and Beverage Undisputed 01/23/2026 1104472014 CMS
AstraZeneca Pharmaceuticals LP $18.04 10/03/2024 Food and Beverage Undisputed 01/23/2026 1104397337 CMS
Eisai Inc. $15.00 06/10/2024 Food and Beverage Undisputed 01/23/2026 1110765227 CMS
Eisai Inc. $23.72 12/03/2024 Food and Beverage Undisputed 01/23/2026 1110765229 CMS
GE HEALTHCARE $24.56 06/06/2024 Food and Beverage Undisputed 01/23/2026 1144687140 CMS
Lilly USA, LLC $23.62 09/05/2024 Food and Beverage Undisputed 01/23/2026 1135182362 CMS
Lundbeck LLC $34.57 06/18/2024 Food and Beverage Undisputed 01/23/2026 1145938840 CMS
Merz Pharmaceuticals, LLC $43.18 09/04/2024 Food and Beverage Undisputed 01/23/2026 1137952362 CMS
NEUROPACE, INC. $34.94 06/14/2024 Food and Beverage Undisputed 01/23/2026 1153273134 CMS
Novartis Pharmaceuticals Corporation $28.64 03/06/2024 Food and Beverage Undisputed 01/23/2026 1087131216 CMS
Novartis Pharmaceuticals Corporation $26.57 05/22/2024 Food and Beverage Undisputed 01/23/2026 1087131236 CMS
Novartis Pharmaceuticals Corporation $24.24 09/26/2024 Food and Beverage Undisputed 01/23/2026 1087131258 CMS
Otsuka America Pharmaceutical, Inc. $28.81 01/25/2024 Food and Beverage Undisputed 01/23/2026 1118929566 CMS
PFIZER INC. $17.18 11/07/2024 Food and Beverage Undisputed 01/23/2026 1131191000 CMS
SK Life Science, Inc. $18.72 07/11/2024 Food and Beverage Undisputed 01/23/2026 1154128232 CMS
Teva Pharmaceuticals USA, Inc. $21.83 07/23/2024 Food and Beverage Undisputed 01/23/2026 1151609742 CMS
UCB, Inc. $23.04 02/13/2024 Food and Beverage Undisputed 01/23/2026 1143159411 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.