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

ALEX WITMER

Physician Assistants & Advanced Practice Nursing Providers Physician Assistant

NPI
1912550443
CMS profile
11016259
Location
WEST CHESTER, OH

General Payments · PY2021–2024

$461.58

  • Reported across 29 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$373.38

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 $373.38 23

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2021 $40.68 3
PY2022 $16.84 1
PY2023 $30.68 2
PY2024 $373.38 23

Payment records · PY2024 (23)

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

Program year 2024 202120222023 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
Corium, LLC $16.56 02/29/2024 Food and Beverage Undisputed 01/23/2026 1100108562 CMS
Corium, LLC $27.09 06/01/2024 Food and Beverage Undisputed 01/23/2026 1100079385 CMS
Corium, LLC $6.88 06/10/2024 Food and Beverage Undisputed 01/23/2026 1100128948 CMS
Corium, LLC $0.50 06/10/2024 Food and Beverage Undisputed 01/23/2026 1100138671 CMS
Corium, LLC $20.19 07/23/2024 Food and Beverage Undisputed 01/23/2026 1100178262 CMS
Corium, LLC $22.45 09/09/2024 Food and Beverage Undisputed 01/23/2026 1100184889 CMS
Corium, LLC $4.75 09/18/2024 Food and Beverage Undisputed 01/23/2026 1100144863 CMS
Corium, LLC $5.06 09/30/2024 Food and Beverage Undisputed 01/23/2026 1100145303 CMS
Corium, LLC $13.38 10/07/2024 Food and Beverage Undisputed 01/23/2026 1100161027 CMS
Cranial Technologies, Inc $18.43 03/06/2024 Food and Beverage Undisputed 01/23/2026 1082248264 CMS
Cranial Technologies, Inc $18.05 08/28/2024 Food and Beverage Undisputed 01/23/2026 1082248262 CMS
IRONSHORE PHARMACEUTICALS INC. $22.75 01/23/2024 Food and Beverage Undisputed 01/23/2026 1146276088 CMS
IRONSHORE PHARMACEUTICALS INC. $16.81 02/13/2024 Food and Beverage Undisputed 01/23/2026 1146276114 CMS
IRONSHORE PHARMACEUTICALS INC. $18.55 03/12/2024 Food and Beverage Undisputed 01/23/2026 1146276204 CMS
IRONSHORE PHARMACEUTICALS INC. $15.60 10/21/2024 Food and Beverage Undisputed 01/23/2026 1146326191 CMS
IRONWOOD PHARMACEUTICALS, INC $15.78 07/09/2024 Food and Beverage Undisputed 01/23/2026 1153763825 CMS
Merck Sharp & Dohme LLC $16.28 06/05/2024 Food and Beverage Undisputed 01/23/2026 1141763345 CMS
Merck Sharp & Dohme LLC $17.10 08/02/2024 Food and Beverage Undisputed 01/23/2026 1141940031 CMS
Merck Sharp & Dohme LLC $18.07 11/13/2024 Food and Beverage Undisputed 01/23/2026 1141888952 CMS
SANOFI PASTEUR INC. $23.38 09/03/2024 Food and Beverage Undisputed 01/23/2026 1128738836 CMS
SANOFI-AVENTIS U.S. LLC $18.77 09/13/2024 Food and Beverage Undisputed 01/23/2026 1139671707 CMS
Supernus Pharmaceuticals, Inc. $15.22 06/03/2024 Food and Beverage Undisputed 01/23/2026 1147900746 CMS
Ultragenyx Pharmaceutical Inc. $21.73 03/19/2024 Food and Beverage Undisputed 01/23/2026 1153287288 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
2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.