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

FANG BAI

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1639564776
CMS profile
4219388
Location
CHICAGO, IL

General Payments · PY2018–2024

$2,679.40

  • Reported across 100 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,022.05

27 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 $1,005.33 26
Education $16.72 1

By paying entity

PY2024 · sorted by reported total

Paying entityAmountRecords
Supernus Pharmaceuticals, Inc. $539.09 1
ABBVIE INC. $387.75 21
EMD Serono, Inc. $57.46 3
MDD US Operations, LLC $21.03 1
CATALYST PHARMACEUTICALS, INC. $16.72 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $214.00 2
PY2019 $95.34 1
PY2021 $28.78 2
PY2022 $397.98 21
PY2023 $921.25 47
PY2024 $1,022.05 27

Payment records · PY2024 (27)

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
ABBVIE INC. $6.42 01/03/2024 Food and Beverage Undisputed 01/23/2026 1103264237 CMS
ABBVIE INC. $9.90 01/09/2024 Food and Beverage Undisputed 01/23/2026 1103264239 CMS
ABBVIE INC. $25.84 02/22/2024 Food and Beverage Undisputed 01/23/2026 1103264241 CMS
ABBVIE INC. $28.31 04/23/2024 Food and Beverage Undisputed 01/23/2026 1103264243 CMS
ABBVIE INC. $20.36 04/25/2024 Food and Beverage Undisputed 01/23/2026 1103264245 CMS
ABBVIE INC. $17.94 05/14/2024 Food and Beverage Undisputed 01/23/2026 1103264247 CMS
ABBVIE INC. $17.49 06/13/2024 Food and Beverage Undisputed 01/23/2026 1103264249 CMS
ABBVIE INC. $20.67 06/18/2024 Food and Beverage Undisputed 01/23/2026 1103264251 CMS
ABBVIE INC. $19.66 07/15/2024 Food and Beverage Undisputed 01/23/2026 1103264253 CMS
ABBVIE INC. $3.58 08/05/2024 Food and Beverage Undisputed 01/23/2026 1103264255 CMS
ABBVIE INC. $22.92 08/12/2024 Food and Beverage Undisputed 01/23/2026 1103264257 CMS
ABBVIE INC. $13.07 08/20/2024 Food and Beverage Undisputed 01/23/2026 1103264259 CMS
ABBVIE INC. $21.94 08/28/2024 Food and Beverage Undisputed 01/23/2026 1103264261 CMS
ABBVIE INC. $19.45 09/09/2024 Food and Beverage Undisputed 01/23/2026 1103264263 CMS
ABBVIE INC. $15.29 09/18/2024 Food and Beverage Undisputed 01/23/2026 1103264265 CMS
ABBVIE INC. $20.63 10/08/2024 Food and Beverage Undisputed 01/23/2026 1103264267 CMS
ABBVIE INC. $14.59 10/23/2024 Food and Beverage Undisputed 01/23/2026 1103264269 CMS
ABBVIE INC. $25.41 11/05/2024 Food and Beverage Undisputed 01/23/2026 1103264271 CMS
ABBVIE INC. $25.04 11/20/2024 Food and Beverage Undisputed 01/23/2026 1103264273 CMS
ABBVIE INC. $24.09 12/02/2024 Food and Beverage Undisputed 01/23/2026 1103264275 CMS
ABBVIE INC. $15.15 12/11/2024 Food and Beverage Undisputed 01/23/2026 1103264277 CMS
CATALYST PHARMACEUTICALS, INC. $16.72 09/12/2024 Education Undisputed 01/23/2026 1144450963 CMS
EMD Serono, Inc. $22.08 05/20/2024 Food and Beverage Undisputed 01/23/2026 1120247661 CMS
EMD Serono, Inc. $20.52 06/19/2024 Food and Beverage Undisputed 01/23/2026 1120248931 CMS
EMD Serono, Inc. $14.86 09/28/2024 Food and Beverage Undisputed 01/23/2026 1120266433 CMS
MDD US Operations, LLC $21.03 06/03/2024 Food and Beverage Undisputed 01/23/2026 1147762673 CMS
Supernus Pharmaceuticals, Inc. $539.09 01/24/2024 Food and Beverage Undisputed 01/23/2026 1147881798 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

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.