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

RONALD L HAMMERS

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1730340324
CMS profile
169707
Location
COLORADO SPRINGS, CO

General Payments · PY2018–2024

$12,085.80

  • Reported across 129 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,196.91

11 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
Consulting Fee $600.00 1
Food and Beverage $596.91 10

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $432.87 8
PY2019 $3,487.29 32
PY2020 $552.57 12
PY2021 $1,594.87 22
PY2022 $3,722.11 25
PY2023 $1,099.18 19
PY2024 $1,196.91 11

Payment records · PY2024 (11)

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
Abbott Laboratories $180.79 06/25/2024 Food and Beverage Undisputed 01/23/2026 1125223398 CMS
ABBVIE INC. $19.18 04/13/2024 Food and Beverage Undisputed 01/23/2026 1103870559 CMS
ABBVIE INC. $30.21 10/16/2024 Food and Beverage Undisputed 01/23/2026 1103870561 CMS
Biogen, Inc. $22.61 08/21/2024 Food and Beverage Undisputed 01/23/2026 1104843376 CMS
Medtronic, Inc. $600.00 02/08/2024 Consulting Fee Undisputed 01/23/2026 1112048498 CMS
Medtronic, Inc. $86.29 04/17/2024 Food and Beverage Undisputed 01/23/2026 1119457827 CMS
Medtronic, Inc. $152.44 10/03/2024 Food and Beverage Undisputed 01/23/2026 1119457829 CMS
MITSUBISHI TANABE PHARMA AMERICA, INC. $32.07 04/22/2024 Food and Beverage Undisputed 01/23/2026 1144508584 CMS
Novartis Pharmaceuticals Corporation $27.48 01/11/2024 Food and Beverage Undisputed 01/23/2026 1086930767 CMS
Novartis Pharmaceuticals Corporation $29.51 10/23/2024 Food and Beverage Undisputed 01/23/2026 1086930773 CMS
TG Therapeutics, Inc. $16.33 04/01/2024 Food and Beverage Undisputed 01/23/2026 1136877358 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.