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

JOHN CHRISTOPHER ELKAS

Allopathic & Osteopathic Physicians Obstetrics & Gynecology Gynecologic Oncology

NPI
1730156373
CMS profile
305914
Location
FAIRFAX, VA

General Payments · PY2018–2024

$6,860.15

  • Reported across 228 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,124.86

45 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 $1,124.86 45

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Merck Sharp & Dohme Corporation $251.82 11
EISAI INC. $155.07 5
GlaxoSmithKline, LLC. $140.74 8
PFIZER INC. $136.61 5
Tempus AI, Inc $117.25 4
Acerta Pharma LLC $112.79 4
Myriad Genetic Laboratories, Inc. $64.88 3
Smith & Nephew, Inc. $62.24 2
NOVARTIS PHARMACEUTICALS CORPORATION $33.68 1
ABBVIE INC. $25.84 1
DAVOL INC. $23.94 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $846.14 29
PY2019 $1,288.28 45
PY2020 $153.28 8
PY2021 $468.22 21
PY2022 $695.18 31
PY2023 $2,284.19 49
PY2024 $1,124.86 45

Payment records · PY2024 (45)

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
ABBVIE INC. $25.84 12/13/2024 Food and Beverage Undisputed 01/23/2026 1103685979 CMS
AstraZeneca Pharmaceuticals LP $25.58 01/11/2024 Food and Beverage Undisputed 01/23/2026 1105758411 CMS
AstraZeneca Pharmaceuticals LP $26.48 04/27/2024 Food and Beverage Undisputed 01/23/2026 1104715039 CMS
AstraZeneca Pharmaceuticals LP $31.84 06/14/2024 Food and Beverage Undisputed 01/23/2026 1105800493 CMS
AstraZeneca Pharmaceuticals LP $28.89 10/30/2024 Food and Beverage Undisputed 01/23/2026 1105760433 CMS
Davol Inc. $23.94 12/31/2024 Food and Beverage Undisputed 01/23/2026 1127659391 CMS
Eisai Inc. $32.19 02/20/2024 Food and Beverage Undisputed 01/23/2026 1110754266 CMS
Eisai Inc. $36.88 04/24/2024 Food and Beverage Undisputed 01/23/2026 1110754270 CMS
Eisai Inc. $27.60 07/24/2024 Food and Beverage Undisputed 01/23/2026 1110754268 CMS
Eisai Inc. $32.92 09/03/2024 Food and Beverage Undisputed 01/23/2026 1110754264 CMS
Eisai Inc. $25.48 10/23/2024 Food and Beverage Undisputed 01/23/2026 1110754272 CMS
GlaxoSmithKline, LLC. $18.89 01/29/2024 Food and Beverage Undisputed 01/23/2026 1116202557 CMS
GlaxoSmithKline, LLC. $21.67 04/12/2024 Food and Beverage Undisputed 01/23/2026 1116372785 CMS
GlaxoSmithKline, LLC. $2.43 04/15/2024 Food and Beverage Undisputed 01/23/2026 1116601907 CMS
GlaxoSmithKline, LLC. $15.27 06/11/2024 Food and Beverage Undisputed 01/23/2026 1116556251 CMS
GlaxoSmithKline, LLC. $18.40 07/16/2024 Food and Beverage Undisputed 01/23/2026 1116271654 CMS
GlaxoSmithKline, LLC. $20.70 08/29/2024 Food and Beverage Undisputed 01/23/2026 1116489808 CMS
GlaxoSmithKline, LLC. $22.50 10/09/2024 Food and Beverage Undisputed 01/23/2026 1116286535 CMS
GlaxoSmithKline, LLC. $20.88 11/07/2024 Food and Beverage Undisputed 01/23/2026 1116382204 CMS
Merck Sharp & Dohme LLC $20.70 01/12/2024 Food and Beverage Undisputed 01/23/2026 1141684789 CMS
Merck Sharp & Dohme LLC $25.98 01/29/2024 Food and Beverage Undisputed 01/23/2026 1141866370 CMS
Merck Sharp & Dohme LLC $18.63 03/08/2024 Food and Beverage Undisputed 01/23/2026 1141684781 CMS
Merck Sharp & Dohme LLC $20.13 04/29/2024 Food and Beverage Undisputed 01/23/2026 1141866368 CMS
Merck Sharp & Dohme LLC $22.13 05/21/2024 Food and Beverage Undisputed 01/23/2026 1141684785 CMS
Merck Sharp & Dohme LLC $23.90 06/12/2024 Food and Beverage Undisputed 01/23/2026 1141684783 CMS
Merck Sharp & Dohme LLC $18.84 07/02/2024 Food and Beverage Undisputed 01/23/2026 1141684881 CMS
Merck Sharp & Dohme LLC $29.10 07/30/2024 Food and Beverage Undisputed 01/23/2026 1141684791 CMS
Merck Sharp & Dohme LLC $31.63 09/30/2024 Food and Beverage Undisputed 01/23/2026 1141684787 CMS
Merck Sharp & Dohme LLC $19.92 10/01/2024 Food and Beverage Undisputed 01/23/2026 1141684771 CMS
Merck Sharp & Dohme LLC $20.86 12/03/2024 Food and Beverage Undisputed 01/23/2026 1141684773 CMS
Myriad Genetic Laboratories, Inc. $18.56 01/24/2024 Food and Beverage Undisputed 01/23/2026 1152530558 CMS
Myriad Genetic Laboratories, Inc. $19.59 08/20/2024 Food and Beverage Undisputed 01/23/2026 1152530560 CMS
Myriad Genetic Laboratories, Inc. $26.73 10/15/2024 Food and Beverage Undisputed 01/23/2026 1152530562 CMS
Novartis Pharmaceuticals Corporation $33.68 09/11/2024 Food and Beverage Undisputed 01/23/2026 1086849733 CMS
PFIZER INC. $27.82 01/05/2024 Food and Beverage Undisputed 01/23/2026 1131459545 CMS
PFIZER INC. $29.85 04/12/2024 Food and Beverage Undisputed 01/23/2026 1131456333 CMS
PFIZER INC. $28.04 07/29/2024 Food and Beverage Undisputed 01/23/2026 1131566176 CMS
PFIZER INC. $21.85 08/20/2024 Food and Beverage Undisputed 01/23/2026 1131595681 CMS
PFIZER INC. $29.05 11/13/2024 Food and Beverage Undisputed 01/23/2026 1131549612 CMS
Smith+Nephew, Inc. $30.07 02/14/2024 Food and Beverage Undisputed 01/23/2026 1149477724 CMS
Smith+Nephew, Inc. $32.17 10/25/2024 Food and Beverage Undisputed 01/23/2026 1149477726 CMS
Tempus AI, Inc $29.68 05/07/2024 Food and Beverage Undisputed 01/23/2026 1150164181 CMS
Tempus AI, Inc $28.81 10/09/2024 Food and Beverage Undisputed 01/23/2026 1150164183 CMS
Tempus AI, Inc $29.38 10/11/2024 Food and Beverage Undisputed 01/23/2026 1150164185 CMS
Tempus AI, Inc $29.38 11/22/2024 Food and Beverage Undisputed 01/23/2026 1150164187 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.