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

ALEXANDER TIEMEIER

Allopathic & Osteopathic Physicians Internal Medicine Cardiovascular Disease

NPI
1932632213
CMS profile
11421476
Location
BUFFALO, NY

General Payments · PY2022–2024

$14,032.28

  • Reported across 34 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$6,548.89

10 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
Grant $5,000.00 1
Travel and Lodging $1,092.47 4
Food and Beverage $307.57 4
Education $148.85 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Medtronic, Inc. $6,461.65 9
BIOTRONIK INC. $87.24 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2022 $2,314.69 21
PY2023 $5,168.70 3
PY2024 $6,548.89 10

Payment records · PY2024 (10)

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

Program year 2024 20222023 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
BIOTRONIK INC. $87.24 09/26/2024 Food and Beverage Undisputed 01/23/2026 1145800869 CMS
Medtronic, Inc. $110.25 04/11/2024 Food and Beverage Undisputed 01/23/2026 1116884378 CMS
Medtronic, Inc. $5,000.00 07/19/2024 Grant Undisputed 01/23/2026 1112070178 CMS
Medtronic, Inc. $647.41 09/26/2024 Travel and Lodging Undisputed 01/23/2026 1116884380 CMS
Medtronic, Inc. $262.80 09/26/2024 Travel and Lodging Undisputed 01/23/2026 1116884382 CMS
Medtronic, Inc. $8.32 10/02/2024 Food and Beverage Undisputed 01/23/2026 1116884390 CMS
Medtronic, Inc. $60.16 11/16/2024 Travel and Lodging Undisputed 01/23/2026 1116884384 CMS
Medtronic, Inc. $101.76 11/18/2024 Food and Beverage Undisputed 01/23/2026 1116884386 CMS
Medtronic, Inc. $122.10 11/20/2024 Travel and Lodging Undisputed 01/23/2026 1116884388 CMS
Medtronic, Inc. $148.85 12/31/2024 Education Undisputed 01/23/2026 1112071390 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
2022, 2023, 2024
Source files
Dataset page · Bulk file · 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.