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

DARRYL ELEFAN

Allopathic & Osteopathic Physicians Internal Medicine Nephrology

NPI
1891927182
CMS profile
1297443
Location
MEMPHIS, TN

General Payments · PY2018–2024

$1,670.00

  • Reported across 90 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$488.54

25 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 $485.09 23
Education $3.45 2

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $596.48 32
PY2019 $113.68 4
PY2022 $172.40 13
PY2023 $298.90 16
PY2024 $488.54 25

Payment records · PY2024 (25)

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

Program year 2024 2018201920222023 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
Ardelyx, Inc. $30.81 10/15/2024 Food and Beverage Undisputed 01/23/2026 1146679291 CMS
AstraZeneca Pharmaceuticals LP $15.74 08/27/2024 Food and Beverage Undisputed 01/23/2026 1105540379 CMS
AstraZeneca Pharmaceuticals LP $21.21 10/16/2024 Food and Beverage Undisputed 01/23/2026 1104542206 CMS
Aurinia Pharma U.S., Inc. $13.61 10/28/2024 Food and Beverage Undisputed 01/23/2026 1150679607 CMS
Boehringer Ingelheim Pharmaceuticals, Inc. $29.10 10/14/2024 Food and Beverage Undisputed 01/23/2026 1118222967 CMS
CALLIDITAS THERAPEUTICS US INC. $24.44 10/14/2024 Food and Beverage Undisputed 01/23/2026 1141524614 CMS
Lilly USA, LLC $33.40 07/29/2024 Food and Beverage Undisputed 01/23/2026 1136137799 CMS
Lilly USA, LLC $30.60 09/06/2024 Food and Beverage Undisputed 01/23/2026 1136117471 CMS
Lilly USA, LLC $30.47 10/07/2024 Food and Beverage Undisputed 01/23/2026 1136117473 CMS
Lilly USA, LLC $32.93 11/21/2024 Food and Beverage Undisputed 01/23/2026 1136117469 CMS
Novartis Pharmaceuticals Corporation $29.70 09/26/2024 Food and Beverage Undisputed 01/23/2026 1086954855 CMS
Otsuka America Pharmaceutical, Inc. $21.32 09/26/2024 Food and Beverage Undisputed 01/23/2026 1118888849 CMS
Otsuka America Pharmaceutical, Inc. $23.09 09/30/2024 Food and Beverage Undisputed 01/23/2026 1118888851 CMS
Travere Therapeutics, Inc. $3.08 01/10/2024 Education Undisputed 01/23/2026 1149918422 CMS
Travere Therapeutics, Inc. $0.37 12/18/2024 Education Undisputed 01/23/2026 1149918418 CMS
Vifor Pharma, Inc. $18.40 01/22/2024 Food and Beverage Undisputed 01/23/2026 1124040940 CMS
Vifor Pharma, Inc. $13.44 06/12/2024 Food and Beverage Undisputed 01/23/2026 1124054563 CMS
Vifor Pharma, Inc. $10.62 07/17/2024 Food and Beverage Undisputed 01/23/2026 1124048123 CMS
Vifor Pharma, Inc. $24.59 10/01/2024 Food and Beverage Undisputed 01/23/2026 1124066977 CMS
Vifor Pharma, Inc. $23.17 10/10/2024 Food and Beverage Undisputed 01/23/2026 1124067186 CMS
Vifor Pharma, Inc. $13.87 10/22/2024 Food and Beverage Undisputed 01/23/2026 1124059015 CMS
Vifor Pharma, Inc. $17.05 11/11/2024 Food and Beverage Undisputed 01/23/2026 1124062980 CMS
Vifor Pharma, Inc. $5.97 11/20/2024 Food and Beverage Undisputed 01/23/2026 1124064518 CMS
Vifor Pharma, Inc. $11.09 12/18/2024 Food and Beverage Undisputed 01/23/2026 1124068223 CMS
Vifor Pharma, Inc. $10.47 12/18/2024 Food and Beverage Undisputed 01/23/2026 1124068226 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, 2022, 2023, 2024
Source files
Dataset page · Bulk file · PY2018 , PY2019 , PY2022 , PY2023 , PY2024
Generated from
OP_DTL_GNRL_PGYR2024_P01232026_01102026.csv

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