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 R NANNENGA

Allopathic & Osteopathic Physicians Internal Medicine Endocrinology, Diabetes & Metabolism

NPI
1922104975
CMS profile
87495
Location
KINGSPORT, TN

General Payments · PY2018–2024

$23,516.41

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

Latest program year · PY2024

$260.51

16 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 $260.51 16

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Novo Nordisk AS $153.95 11
Medtronic, Inc. $33.91 1
DEXCOM, INC. $33.88 2
BETA BIONICS, INC. $25.51 1
Insulet Corporation $13.26 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $21,336.37 102
PY2019 $638.15 42
PY2020 $465.41 28
PY2021 $461.72 40
PY2022 $210.95 19
PY2023 $143.30 9
PY2024 $260.51 16

Payment records · PY2024 (16)

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
BETA BIONICS, INC. $25.51 06/07/2024 Food and Beverage Undisputed 01/23/2026 1087878325 CMS
Dexcom, Inc. $19.00 04/16/2024 Food and Beverage Undisputed 01/23/2026 1153322448 CMS
Dexcom, Inc. $14.88 07/03/2024 Food and Beverage Undisputed 01/23/2026 1153322450 CMS
Insulet Corporation $13.26 12/18/2024 Food and Beverage Undisputed 01/23/2026 1116821638 CMS
Medtronic, Inc. $33.91 10/17/2024 Food and Beverage Undisputed 01/23/2026 1119548055 CMS
Novo Nordisk Inc $12.94 01/24/2024 Food and Beverage Undisputed 01/23/2026 1097442426 CMS
Novo Nordisk Inc $22.87 04/10/2024 Food and Beverage Undisputed 01/23/2026 1096844182 CMS
Novo Nordisk Inc $7.60 04/22/2024 Food and Beverage Undisputed 01/23/2026 1097550306 CMS
Novo Nordisk Inc $1.56 07/24/2024 Food and Beverage Undisputed 01/23/2026 1096937813 CMS
Novo Nordisk Inc $12.97 07/24/2024 Food and Beverage Undisputed 01/23/2026 1097559438 CMS
Novo Nordisk Inc $18.10 07/31/2024 Food and Beverage Undisputed 01/23/2026 1096671512 CMS
Novo Nordisk Inc $18.24 09/06/2024 Food and Beverage Undisputed 01/23/2026 1097738273 CMS
Novo Nordisk Inc $8.73 09/23/2024 Food and Beverage Undisputed 01/23/2026 1096839785 CMS
Novo Nordisk Inc $24.07 09/25/2024 Food and Beverage Undisputed 01/23/2026 1097371654 CMS
Novo Nordisk Inc $10.82 12/04/2024 Food and Beverage Undisputed 01/23/2026 1096638204 CMS
Novo Nordisk Inc $16.05 12/11/2024 Food and Beverage Undisputed 01/23/2026 1097103969 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.