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

ELAINE CHANG

Allopathic & Osteopathic Physicians Internal Medicine

NPI
1841556966
CMS profile
785980
Location
HOUSTON, TX

General Payments · PY2018

$620.42

  • Reported across 24 records
  • CMS publication 2026-01-23

Latest program year · PY2018

$620.42

24 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

PY2018 · sorted by reported total

Nature of paymentAmountRecords
Food and Beverage $574.26 19
Education $46.16 5

By paying entity

PY2018 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $620.42 24

Payment records · PY2018 (24)

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

Program year 2018
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Celgene Corporation $23.05 01/09/2018 Food and Beverage Undisputed 01/23/2026 594927277 CMS
E.R. Squibb & Sons, L.L.C. $94.00 05/16/2018 Food and Beverage Undisputed 01/23/2026 571945073 CMS
Lilly USA, LLC $16.39 03/02/2018 Food and Beverage Undisputed 01/23/2026 559292393 CMS
Novartis Pharmaceuticals Corporation $20.84 03/15/2018 Food and Beverage Undisputed 01/23/2026 607951521 CMS
Novartis Pharmaceuticals Corporation $18.46 05/17/2018 Food and Beverage Undisputed 01/23/2026 607951511 CMS
Novartis Pharmaceuticals Corporation $109.01 05/22/2018 Food and Beverage Undisputed 01/23/2026 607951517 CMS
Novartis Pharmaceuticals Corporation $23.76 05/25/2018 Food and Beverage Undisputed 01/23/2026 607951527 CMS
Otsuka America Pharmaceutical, Inc. $17.03 02/08/2018 Food and Beverage Undisputed 01/23/2026 606493161 CMS
PFIZER INC. $12.92 01/02/2018 Food and Beverage Undisputed 01/23/2026 610410789 CMS
PFIZER INC. $11.35 02/20/2018 Food and Beverage Undisputed 01/23/2026 610456767 CMS
PFIZER INC. $12.49 03/05/2018 Food and Beverage Undisputed 01/23/2026 610410791 CMS
PFIZER INC. $6.55 03/16/2018 Education Undisputed 01/23/2026 610131419 CMS
PFIZER INC. $29.39 03/16/2018 Food and Beverage Undisputed 01/23/2026 610266627 CMS
PFIZER INC. $12.49 03/16/2018 Education Undisputed 01/23/2026 610322909 CMS
PFIZER INC. $12.72 03/20/2018 Food and Beverage Undisputed 01/23/2026 610457123 CMS
PFIZER INC. $12.49 04/10/2018 Education Undisputed 01/23/2026 610352067 CMS
PFIZER INC. $17.23 04/27/2018 Food and Beverage Undisputed 01/23/2026 610214951 CMS
PFIZER INC. $8.08 04/27/2018 Education Undisputed 01/23/2026 610247695 CMS
PFIZER INC. $6.55 04/27/2018 Education Undisputed 01/23/2026 610340913 CMS
PFIZER INC. $13.77 04/30/2018 Food and Beverage Undisputed 01/23/2026 610410795 CMS
PFIZER INC. $15.27 05/07/2018 Food and Beverage Undisputed 01/23/2026 610457129 CMS
PFIZER INC. $11.25 06/29/2018 Food and Beverage Undisputed 01/23/2026 610173220 CMS
PFIZER INC. $99.92 07/12/2018 Food and Beverage Undisputed 01/23/2026 610317215 CMS
Takeda Pharmaceuticals U.S.A., Inc. $15.41 03/22/2018 Food and Beverage Undisputed 01/23/2026 593029611 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
Source files
Dataset page · Bulk file · PY2018
Generated from
OP_DTL_GNRL_PGYR2018_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.