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

CHRISTOPHER A GISLER

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1588845796
CMS profile
26153
Location
PITTSBURGH, PA

General Payments · PY2018–2024

$891,715.60

  • Reported across 1,663 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$29,538.90

60 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

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Amgen Inc. $24,200.81 33
Relypsa, Inc. $3,476.71 7
Retrophin, Inc. $1,404.11 9
CALLIDITAS THERAPEUTICS US INC. $226.25 3
Ardelyx, Inc. $106.88 1
Acerta Pharma LLC $65.96 4
AKEBIA THERAPEUTICS INC $35.68 2
Bayer HealthCare Pharmaceuticals Inc. $22.50 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $134,583.65 310
PY2019 $165,517.49 352
PY2020 $46,486.55 115
PY2021 $43,872.61 108
PY2022 $171,308.83 259
PY2023 $300,407.57 459
PY2024 $29,538.90 60

Payment records · PY2024 (60)

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
AKEBIA THERAPEUTICS INC $17.70 01/04/2024 Food and Beverage Undisputed 01/23/2026 1145827680 CMS
AKEBIA THERAPEUTICS INC $17.98 02/02/2024 Food and Beverage Undisputed 01/23/2026 1145827682 CMS
Amgen Inc. $4,000.00 01/09/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584292 CMS
Amgen Inc. $288.34 01/09/2024 Travel and Lodging Undisputed 01/23/2026 1111584294 CMS
Amgen Inc. $730.20 01/09/2024 Travel and Lodging Undisputed 01/23/2026 1111584296 CMS
Amgen Inc. $636.90 01/09/2024 Travel and Lodging Undisputed 01/23/2026 1111584298 CMS
Amgen Inc. $155.23 01/09/2024 Food and Beverage Undisputed 01/23/2026 1111584300 CMS
Amgen Inc. $600.00 01/09/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584304 CMS
Amgen Inc. $117.29 01/09/2024 Food and Beverage Undisputed 01/23/2026 1111584320 CMS
Amgen Inc. $600.00 01/10/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584306 CMS
Amgen Inc. $81.52 01/11/2024 Food and Beverage Undisputed 01/23/2026 1111584270 CMS
Amgen Inc. $2,400.00 01/12/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584308 CMS
Amgen Inc. $9.38 01/12/2024 Travel and Lodging Undisputed 01/23/2026 1111584310 CMS
Amgen Inc. $600.00 01/16/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584312 CMS
Amgen Inc. $25.10 01/18/2024 Food and Beverage Undisputed 01/23/2026 1111584272 CMS
Amgen Inc. $600.00 01/18/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584314 CMS
Amgen Inc. $2,800.00 01/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584316 CMS
Amgen Inc. $81.74 01/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584318 CMS
Amgen Inc. $4,000.00 01/25/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584284 CMS
Amgen Inc. $181.58 01/25/2024 Travel and Lodging Undisputed 01/23/2026 1111584286 CMS
Amgen Inc. $49.39 01/25/2024 Travel and Lodging Undisputed 01/23/2026 1111584288 CMS
Amgen Inc. $813.77 01/25/2024 Travel and Lodging Undisputed 01/23/2026 1111584290 CMS
Amgen Inc. $100.80 01/25/2024 Food and Beverage Undisputed 01/23/2026 1111584302 CMS
Amgen Inc. $101.66 01/25/2024 Food and Beverage Undisputed 01/23/2026 1111584322 CMS
Amgen Inc. $7.89 01/31/2024 Food and Beverage Undisputed 01/23/2026 1111584268 CMS
Amgen Inc. $103.51 02/27/2024 Food and Beverage Undisputed 01/23/2026 1111584278 CMS
Amgen Inc. $52.44 02/28/2024 Food and Beverage Undisputed 01/23/2026 1111584274 CMS
Amgen Inc. $21.03 02/28/2024 Food and Beverage Undisputed 01/23/2026 1111584276 CMS
Amgen Inc. $23.08 02/28/2024 Food and Beverage Undisputed 01/23/2026 1111584280 CMS
Amgen Inc. $124.77 02/28/2024 Food and Beverage Undisputed 01/23/2026 1111584324 CMS
Amgen Inc. $2,400.00 02/28/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1111584326 CMS
Amgen Inc. $19.67 03/28/2024 Food and Beverage Undisputed 01/23/2026 1111584282 CMS
Amgen Inc. $5.13 08/13/2024 Food and Beverage Undisputed 01/23/2026 1111584328 CMS
Amgen Inc. $20.39 08/26/2024 Food and Beverage Undisputed 01/23/2026 1111584330 CMS
Amgen Inc. $2,450.00 12/31/2024 Consulting Fee Undisputed 01/23/2026 1111584332 CMS
Ardelyx, Inc. $106.88 01/18/2024 Food and Beverage Undisputed 01/23/2026 1146682101 CMS
AstraZeneca Pharmaceuticals LP $20.02 01/03/2024 Food and Beverage Undisputed 01/23/2026 1104460818 CMS
AstraZeneca Pharmaceuticals LP $16.93 01/17/2024 Food and Beverage Undisputed 01/23/2026 1104387929 CMS
AstraZeneca Pharmaceuticals LP $15.80 02/02/2024 Food and Beverage Undisputed 01/23/2026 1105507770 CMS
AstraZeneca Pharmaceuticals LP $13.21 02/15/2024 Food and Beverage Undisputed 01/23/2026 1105603486 CMS
Bayer Healthcare Pharmaceuticals Inc. $22.50 01/05/2024 Food and Beverage Undisputed 01/23/2026 1086116962 CMS
CALLIDITAS THERAPEUTICS US INC. $64.89 01/10/2024 Travel and Lodging Undisputed 01/23/2026 1141507822 CMS
CALLIDITAS THERAPEUTICS US INC. $16.00 01/10/2024 Travel and Lodging Undisputed 01/23/2026 1141507824 CMS
CALLIDITAS THERAPEUTICS US INC. $145.36 01/10/2024 Food and Beverage Undisputed 01/23/2026 1141507826 CMS
Travere Therapeutics, Inc. $2.29 01/16/2024 Food and Beverage Undisputed 01/23/2026 1149895129 CMS
Travere Therapeutics, Inc. $13.01 01/19/2024 Food and Beverage Undisputed 01/23/2026 1149895137 CMS
Travere Therapeutics, Inc. $6.19 01/31/2024 Food and Beverage Undisputed 01/23/2026 1149895133 CMS
Travere Therapeutics, Inc. $21.48 01/31/2024 Food and Beverage Undisputed 01/23/2026 1149895141 CMS
Travere Therapeutics, Inc. $150.00 02/06/2024 Consulting Fee Undisputed 01/23/2026 1149895153 CMS
Travere Therapeutics, Inc. $25.82 02/15/2024 Food and Beverage Undisputed 01/23/2026 1149895145 CMS
Travere Therapeutics, Inc. $206.46 03/05/2024 Food and Beverage Undisputed 01/23/2026 1149895157 CMS
Travere Therapeutics, Inc. $829.29 03/05/2024 Travel and Lodging Undisputed 01/23/2026 1149895161 CMS
Travere Therapeutics, Inc. $149.57 05/15/2024 Food and Beverage Undisputed 01/23/2026 1149895149 CMS
Vifor Pharma, Inc. $10.89 01/04/2024 Food and Beverage Undisputed 01/23/2026 1124035069 CMS
Vifor Pharma, Inc. $11.60 01/29/2024 Food and Beverage Undisputed 01/23/2026 1124046242 CMS
Vifor Pharma, Inc. $6.55 02/14/2024 Food and Beverage Undisputed 01/23/2026 1124043063 CMS
Vifor Pharma, Inc. $2,200.00 02/23/2024 Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program Undisputed 01/23/2026 1124033213 CMS
Vifor Pharma, Inc. $1,113.10 02/23/2024 Travel and Lodging Undisputed 01/23/2026 1124033216 CMS
Vifor Pharma, Inc. $125.00 02/23/2024 Food and Beverage Undisputed 01/23/2026 1124033225 CMS
Vifor Pharma, Inc. $9.57 08/26/2024 Food and Beverage Undisputed 01/23/2026 1124048511 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

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