IndustryPayments
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

MICHAEL AMMANN

Allopathic & Osteopathic Physicians Family Medicine

NPI
1932264843
CMS profile
88116
Location
GREEN VALLEY, AZ

General Payments · PY2018–2023

$3,846.54

  • Reported across 256 records
  • CMS publication 2026-01-23

Latest program year · PY2023

$791.50

49 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.

Related groups: Family Medicine AZ All categories

By nature of payment

PY2023 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $791.50 49

By paying entity

PY2023 · sorted by reported total

Paying entityAmountRecords
Salix Pharmaceuticals, a division of Bausch Health US, LLC $152.91 11
Novo Nordisk AS $146.75 10
Sumitomo Pharma America, Inc. $86.96 5
Lilly USA, LLC $76.17 4
Amgen Inc. $67.34 4
NOVARTIS PHARMACEUTICALS CORPORATION $62.90 3
GlaxoSmithKline, LLC. $53.50 4
Acerta Pharma LLC $43.89 3
Xeris Pharmaceuticals, Inc. $43.45 2
ABBVIE INC. $24.38 1
PFIZER INC. $18.98 1
IDORSIA PHARMACEUTICALS US INC $14.27 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $314.46 22
PY2019 $500.61 41
PY2020 $791.19 51
PY2021 $658.29 39
PY2022 $790.49 54
PY2023 $791.50 49

Payment records · PY2023 (49)

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

Program year 2023 20182019202020212022 Record-level detail is published for PY2023; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
AbbVie Inc. $24.38 12/19/2023 Food and Beverage Undisputed 01/23/2026 996140903 CMS
Amgen Inc. $15.35 05/31/2023 Food and Beverage Undisputed 01/23/2026 1020029245 CMS
Amgen Inc. $15.25 09/15/2023 Food and Beverage Undisputed 01/23/2026 1020029241 CMS
Amgen Inc. $15.88 09/29/2023 Food and Beverage Undisputed 01/23/2026 1020029247 CMS
Amgen Inc. $20.86 12/01/2023 Food and Beverage Undisputed 01/23/2026 1020029243 CMS
AstraZeneca Pharmaceuticals LP $14.65 02/22/2023 Food and Beverage Undisputed 01/23/2026 1015987903 CMS
AstraZeneca Pharmaceuticals LP $13.91 04/04/2023 Food and Beverage Undisputed 01/23/2026 1014242615 CMS
AstraZeneca Pharmaceuticals LP $15.33 09/29/2023 Food and Beverage Undisputed 01/23/2026 1015845407 CMS
GlaxoSmithKline, LLC. $13.70 02/03/2023 Food and Beverage Undisputed 01/23/2026 1003419009 CMS
GlaxoSmithKline, LLC. $13.25 03/03/2023 Food and Beverage Undisputed 01/23/2026 1003418947 CMS
GlaxoSmithKline, LLC. $13.30 03/07/2023 Food and Beverage Undisputed 01/23/2026 1003419021 CMS
GlaxoSmithKline, LLC. $13.25 04/10/2023 Food and Beverage Undisputed 01/23/2026 1003418985 CMS
IDORSIA PHARMACEUTICALS US INC $14.27 01/12/2023 Food and Beverage Undisputed 01/23/2026 1038216589 CMS
Lilly USA, LLC $24.40 01/17/2023 Food and Beverage Undisputed 01/23/2026 1031965621 CMS
Lilly USA, LLC $13.84 02/20/2023 Food and Beverage Undisputed 01/23/2026 1032032529 CMS
Lilly USA, LLC $20.23 04/12/2023 Food and Beverage Undisputed 01/23/2026 1031965627 CMS
Lilly USA, LLC $17.70 08/01/2023 Food and Beverage Undisputed 01/23/2026 1031943859 CMS
Novartis Pharmaceuticals Corporation $21.26 01/04/2023 Food and Beverage Undisputed 01/23/2026 991682475 CMS
Novartis Pharmaceuticals Corporation $25.76 02/22/2023 Food and Beverage Undisputed 01/23/2026 991682487 CMS
Novartis Pharmaceuticals Corporation $15.88 03/13/2023 Food and Beverage Undisputed 01/23/2026 991682491 CMS
Novo Nordisk Inc $12.30 01/09/2023 Food and Beverage Undisputed 01/23/2026 1001811975 CMS
Novo Nordisk Inc $14.57 02/23/2023 Food and Beverage Undisputed 01/23/2026 1001812017 CMS
Novo Nordisk Inc $15.84 03/24/2023 Food and Beverage Undisputed 01/23/2026 1001812027 CMS
Novo Nordisk Inc $19.20 04/19/2023 Food and Beverage Undisputed 01/23/2026 1001812035 CMS
Novo Nordisk Inc $12.99 05/24/2023 Food and Beverage Undisputed 01/23/2026 1001811985 CMS
Novo Nordisk Inc $12.20 07/20/2023 Food and Beverage Undisputed 01/23/2026 1001811965 CMS
Novo Nordisk Inc $13.79 08/23/2023 Food and Beverage Undisputed 01/23/2026 1001812007 CMS
Novo Nordisk Inc $13.49 09/20/2023 Food and Beverage Undisputed 01/23/2026 1001811997 CMS
Novo Nordisk Inc $11.90 10/26/2023 Food and Beverage Undisputed 01/23/2026 1001811955 CMS
Novo Nordisk Inc $20.47 12/06/2023 Food and Beverage Undisputed 01/23/2026 1001812045 CMS
PFIZER INC. $18.98 06/17/2023 Food and Beverage Undisputed 01/23/2026 1049714179 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.04 01/17/2023 Food and Beverage Undisputed 01/23/2026 1057328539 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $6.42 02/13/2023 Food and Beverage Undisputed 01/23/2026 1057429429 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $9.86 03/06/2023 Food and Beverage Undisputed 01/23/2026 1057330493 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.36 04/03/2023 Food and Beverage Undisputed 01/23/2026 1057143175 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $7.76 05/01/2023 Food and Beverage Undisputed 01/23/2026 1057122901 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $17.26 05/01/2023 Food and Beverage Undisputed 01/23/2026 1057128609 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $16.75 06/12/2023 Food and Beverage Undisputed 01/23/2026 1057390823 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $18.13 07/11/2023 Food and Beverage Undisputed 01/23/2026 1057397903 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $5.99 08/09/2023 Food and Beverage Undisputed 01/23/2026 1057453373 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $21.72 09/12/2023 Food and Beverage Undisputed 01/23/2026 1057161957 CMS
Salix Pharmaceuticals, a division of Bausch Health US, LLC $14.62 11/09/2023 Food and Beverage Undisputed 01/23/2026 1057158877 CMS
Sumitomo Pharma America, Inc. $24.19 02/01/2023 Food and Beverage Undisputed 01/23/2026 1031023365 CMS
Sumitomo Pharma America, Inc. $16.24 03/10/2023 Food and Beverage Undisputed 01/23/2026 1031023373 CMS
Sumitomo Pharma America, Inc. $22.33 05/01/2023 Food and Beverage Undisputed 01/23/2026 1031023369 CMS
Sumitomo Pharma America, Inc. $17.21 10/03/2023 Food and Beverage Undisputed 01/23/2026 1031023357 CMS
Sumitomo Pharma America, Inc. $6.99 11/15/2023 Food and Beverage Undisputed 01/23/2026 1031023361 CMS
Xeris Pharmaceuticals, Inc. $22.15 08/02/2023 Food and Beverage Undisputed 01/23/2026 1056484293 CMS
Xeris Pharmaceuticals, Inc. $21.30 10/05/2023 Food and Beverage Undisputed 01/23/2026 1056484299 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
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2020 , PY2021 , PY2022 , PY2023
Generated from
OP_DTL_GNRL_PGYR2023_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.