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

SAUL KARPEN

Allopathic & Osteopathic Physicians Internal Medicine Gastroenterology

NPI
1427138783
CMS profile
1030488
Location
ATLANTA, GA

General Payments · PY2018–2024

$53,468.14

  • Reported across 51 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$8,277.06

17 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
Honoraria $3,364.00 1
Consulting Fee $2,400.00 1
Travel and Lodging $2,066.14 7
Food and Beverage $446.92 8

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Mirum Pharmaceuticals, Inc. $3,537.26 7
Ipsen Bioscience Inc $3,364.00 1
ALBIREO PHARMA, INC. $1,194.16 6
Madrigal Pharmaceuticals $135.52 1
Siemens Medical Solutions USA, Inc. $46.12 2

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $2,500.00 1
PY2019 $7,398.87 10
PY2021 $8,690.00 2
PY2022 $10,892.34 7
PY2023 $15,709.87 14
PY2024 $8,277.06 17

Payment records · PY2024 (17)

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

Program year 2024 20182019202120222023 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
ALBIREO PHARMA, INC. $67.60 09/13/2024 Food and Beverage Undisputed 01/23/2026 1071126676 CMS
ALBIREO PHARMA, INC. $94.42 09/13/2024 Food and Beverage Undisputed 01/23/2026 1071126678 CMS
ALBIREO PHARMA, INC. $609.53 09/13/2024 Travel and Lodging Undisputed 01/23/2026 1071126686 CMS
ALBIREO PHARMA, INC. $140.87 09/15/2024 Travel and Lodging Undisputed 01/23/2026 1071126680 CMS
ALBIREO PHARMA, INC. $140.87 09/15/2024 Travel and Lodging Undisputed 01/23/2026 1071126682 CMS
ALBIREO PHARMA, INC. $140.87 09/15/2024 Travel and Lodging Undisputed 01/23/2026 1071126684 CMS
Ipsen Bioscience Inc. $3,364.00 01/19/2024 Honoraria Undisputed 01/23/2026 1067524354 CMS
Madrigal Pharmaceuticals $135.52 11/17/2024 Food and Beverage Undisputed 01/23/2026 1144172402 CMS
Mirum Pharmaceuticals, Inc. $2,400.00 03/27/2024 Consulting Fee Undisputed 01/23/2026 1123325157 CMS
Mirum Pharmaceuticals, Inc. $65.26 07/18/2024 Food and Beverage Undisputed 01/23/2026 1123325169 CMS
Mirum Pharmaceuticals, Inc. $382.84 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1123325159 CMS
Mirum Pharmaceuticals, Inc. $12.25 10/28/2024 Food and Beverage Undisputed 01/23/2026 1123325161 CMS
Mirum Pharmaceuticals, Inc. $492.96 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1123325163 CMS
Mirum Pharmaceuticals, Inc. $25.75 10/28/2024 Food and Beverage Undisputed 01/23/2026 1123325165 CMS
Mirum Pharmaceuticals, Inc. $158.20 10/28/2024 Travel and Lodging Undisputed 01/23/2026 1123325167 CMS
Siemens Medical Solutions USA, Inc. $16.79 08/01/2024 Food and Beverage Undisputed 01/23/2026 1093701085 CMS
Siemens Medical Solutions USA, Inc. $29.33 08/26/2024 Food and Beverage Undisputed 01/23/2026 1093701083 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, 2021, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2021 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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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.