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

MICHAEL W GROF

Allopathic & Osteopathic Physicians Psychiatry & Neurology Neurology

NPI
1740238005
CMS profile
169580
Location
KENTWOOD, MI

General Payments · PY2018–2024

$12,629.56

  • Reported across 452 records
  • CMS publication 2026-01-23

Latest program year · PY2024

$1,176.99

51 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 $1,176.99 51

By paying entity

PY2024 · sorted by reported total

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2018 $806.68 48
PY2019 $5,598.81 79
PY2020 $1,243.51 84
PY2021 $1,411.93 71
PY2022 $1,123.13 55
PY2023 $1,268.51 64
PY2024 $1,176.99 51

Payment records · PY2024 (51)

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. $26.06 01/17/2024 Food and Beverage Undisputed 01/23/2026 1103841456 CMS
ABBVIE INC. $19.15 07/03/2024 Food and Beverage Undisputed 01/23/2026 1103841458 CMS
ABBVIE INC. $14.90 07/31/2024 Food and Beverage Undisputed 01/23/2026 1103841460 CMS
Alnylam Pharmaceuticals Inc. $29.82 09/25/2024 Food and Beverage Undisputed 01/23/2026 1125854907 CMS
ARGENX US, INC. $24.03 10/01/2024 Food and Beverage Undisputed 01/23/2026 1142117889 CMS
Aucta Pharmaceuticals, Inc. $19.68 11/05/2024 Food and Beverage Undisputed 01/23/2026 1147907040 CMS
Biogen, Inc. $20.75 05/21/2024 Food and Beverage Undisputed 01/23/2026 1104852110 CMS
Celgene Corporation $20.76 04/30/2024 Food and Beverage Undisputed 01/23/2026 1101196099 CMS
CSL Behring $19.41 01/31/2024 Food and Beverage Undisputed 01/23/2026 1134637895 CMS
CSL Behring $21.26 04/24/2024 Food and Beverage Undisputed 01/23/2026 1134637935 CMS
CSL Behring $24.48 06/05/2024 Food and Beverage Undisputed 01/23/2026 1134637945 CMS
CSL Behring $23.83 08/07/2024 Food and Beverage Undisputed 01/23/2026 1134637967 CMS
CSL Behring $33.25 10/30/2024 Food and Beverage Undisputed 01/23/2026 1134638005 CMS
CSL Behring $94.50 12/12/2024 Food and Beverage Undisputed 01/23/2026 1134638017 CMS
EMD Serono, Inc. $20.21 05/01/2024 Food and Beverage Undisputed 01/23/2026 1120237004 CMS
Genentech USA, Inc. $16.72 06/11/2024 Food and Beverage Undisputed 01/23/2026 1133069777 CMS
Genentech USA, Inc. $24.11 10/09/2024 Food and Beverage Undisputed 01/23/2026 1133069773 CMS
Grifols USA, LLC $36.50 02/20/2024 Food and Beverage Undisputed 01/23/2026 1124715571 CMS
Grifols USA, LLC $18.90 07/16/2024 Food and Beverage Undisputed 01/23/2026 1124715573 CMS
HOSPIRA, INC. $20.27 03/05/2024 Food and Beverage Undisputed 01/23/2026 1131215406 CMS
HOSPIRA, INC. $13.97 05/14/2024 Food and Beverage Undisputed 01/23/2026 1131466557 CMS
HOSPIRA, INC. $22.59 08/13/2024 Food and Beverage Undisputed 01/23/2026 1131847641 CMS
Kedrion Biopharma, Inc. $19.67 04/17/2024 Food and Beverage Undisputed 01/23/2026 1125861678 CMS
Kyowa Kirin, Inc. $23.20 06/18/2024 Food and Beverage Undisputed 01/23/2026 1127037699 CMS
Neurelis, Inc. $26.05 04/03/2024 Food and Beverage Undisputed 01/23/2026 1145642572 CMS
Neurelis, Inc. $20.81 07/23/2024 Food and Beverage Undisputed 01/23/2026 1145642574 CMS
Neurocrine Biosciences, Inc. $20.69 05/08/2024 Food and Beverage Undisputed 01/23/2026 1150855698 CMS
Novartis Pharmaceuticals Corporation $20.30 09/03/2024 Food and Beverage Undisputed 01/23/2026 1086890543 CMS
Novartis Pharmaceuticals Corporation $23.63 11/13/2024 Food and Beverage Undisputed 01/23/2026 1086890571 CMS
Otsuka America Pharmaceutical, Inc. $17.50 03/26/2024 Food and Beverage Undisputed 01/23/2026 1118901638 CMS
PFIZER INC. $18.90 01/24/2024 Food and Beverage Undisputed 01/23/2026 1131107574 CMS
PFIZER INC. $16.71 01/30/2024 Food and Beverage Undisputed 01/23/2026 1130958290 CMS
PFIZER INC. $20.79 04/16/2024 Food and Beverage Undisputed 01/23/2026 1131329722 CMS
PFIZER INC. $21.42 07/17/2024 Food and Beverage Undisputed 01/23/2026 1131750224 CMS
PFIZER INC. $26.79 08/27/2024 Food and Beverage Undisputed 01/23/2026 1131859505 CMS
PFIZER INC. $16.70 10/16/2024 Food and Beverage Undisputed 01/23/2026 1130888835 CMS
PFIZER INC. $28.20 10/23/2024 Food and Beverage Undisputed 01/23/2026 1132104373 CMS
SK Life Science, Inc. $23.58 11/07/2024 Food and Beverage Undisputed 01/23/2026 1154128889 CMS
Sumitomo Pharma America, Inc. $18.03 01/16/2024 Food and Beverage Undisputed 01/23/2026 1148859227 CMS
Sumitomo Pharma America, Inc. $18.79 03/20/2024 Food and Beverage Undisputed 01/23/2026 1148859229 CMS
Takeda Pharmaceuticals U.S.A., Inc. $14.05 02/07/2024 Food and Beverage Undisputed 01/23/2026 1137563840 CMS
Takeda Pharmaceuticals U.S.A., Inc. $24.18 04/15/2024 Food and Beverage Undisputed 01/23/2026 1137563844 CMS
Takeda Pharmaceuticals U.S.A., Inc. $26.26 08/28/2024 Food and Beverage Undisputed 01/23/2026 1137563848 CMS
Takeda Pharmaceuticals U.S.A., Inc. $22.03 12/11/2024 Food and Beverage Undisputed 01/23/2026 1137563851 CMS
Teva Pharmaceuticals USA, Inc. $27.73 02/07/2024 Food and Beverage Undisputed 01/23/2026 1151456246 CMS
Teva Pharmaceuticals USA, Inc. $22.98 10/15/2024 Food and Beverage Undisputed 01/23/2026 1151456392 CMS
TG Therapeutics, Inc. $15.55 02/14/2024 Food and Beverage Undisputed 01/23/2026 1136892552 CMS
UCB, Inc. $18.54 04/02/2024 Food and Beverage Undisputed 01/23/2026 1143395433 CMS
UCB, Inc. $18.15 07/25/2024 Food and Beverage Undisputed 01/23/2026 1143395437 CMS
UCB, Inc. $18.68 10/02/2024 Food and Beverage Undisputed 01/23/2026 1143395441 CMS
UCB, Inc. $21.93 11/20/2024 Food and Beverage Undisputed 01/23/2026 1143395446 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.