Official source Data mirrored from Centers for Medicare & Medicaid Services Open Payments · General Payments · as published 2026-06-30 View official record Methodology

Covered recipient · General Payments record

DEREK F AMANATULLAH

Allopathic & Osteopathic Physicians Orthopaedic Surgery Adult Reconstructive Orthopaedic Surgery

NPI
1134386576
CMS profile
187326
Location
STANFORD, CA

General Payments · PY2019–2025

$828,387.16

  • Reported across 538 records
  • CMS publication 2026-06-30

Latest program year · PY2025

$174,367.98

132 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

PY2025 · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $121,684.02 35
Royalty or License $30,471.17 4
Travel and Lodging $16,569.25 32
Food and Beverage $4,241.36 59
Honoraria $1,102.50 1
Education $299.68 1

By paying entity

PY2025 · sorted by reported total

Paying entityAmountRecords
restor3d, inc. $31,019.02 15
EXACTECH, INC. $30,471.17 4
MEDACTA USA, INC. $22,591.33 13
Medical Device Business Services, Inc. $21,033.93 31
Stryker Corporation $18,222.57 17
Ethicon US, LLC $16,110.55 12
DePuy Synthes Products, Inc. $11,148.33 11
Onkos Surgical, Inc. $8,142.46 5
Bone Support Inc. $4,600.00 2
Ethicon Inc. $3,842.44 3
OMNIlife science, Inc $2,748.34 3
THINK Surgical, Inc. $1,750.00 1
DAVOL INC. $1,254.78 2
Zimmer Biomet Holdings, Inc. $1,057.14 9
Osteoremedies, LLC $140.33 1
DePuy Synthes Sales Inc. $122.60 2
Kerecis Limited $112.99 1

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $93,720.84 115
PY2020 $109,911.38 61
PY2021 $74,843.70 38
PY2022 $122,909.26 51
PY2023 $116,110.84 55
PY2024 $136,523.16 86
PY2025 $174,367.98 132

Payment records · PY2025 (132)

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

Program year 2025 201920202021202220232024 Record-level detail is published for PY2025; earlier years are summarised in “By program year”.
Paying entity Amount Date Nature of payment Dispute status Published Record ID Source
Bone Support Inc. $1,000.00 01/01/2025 Consulting Fee Undisputed 06/30/2026 1251649455 CMS
Bone Support Inc. $3,600.00 08/01/2025 Consulting Fee Undisputed 06/30/2026 1251649659 CMS
Davol Inc. $152.28 09/17/2025 Food and Beverage Undisputed 06/30/2026 1232213966 CMS
Davol Inc. $1,102.50 09/19/2025 Honoraria Undisputed 06/30/2026 1232213970 CMS
DePuy Synthes Products, Inc. $725.00 02/26/2025 Consulting Fee Undisputed 06/30/2026 1174052300 CMS
DePuy Synthes Products, Inc. $2,175.00 04/30/2025 Consulting Fee Undisputed 06/30/2026 1174052320 CMS
DePuy Synthes Products, Inc. $1,812.50 07/31/2025 Consulting Fee Undisputed 06/30/2026 1174052305 CMS
DePuy Synthes Products, Inc. $132.15 10/20/2025 Travel and Lodging Undisputed 06/30/2026 1174046354 CMS
DePuy Synthes Products, Inc. $12.00 10/22/2025 Food and Beverage Undisputed 06/30/2026 1174046359 CMS
DePuy Synthes Products, Inc. $15.00 10/22/2025 Food and Beverage Undisputed 06/30/2026 1174046382 CMS
DePuy Synthes Products, Inc. $191.29 10/27/2025 Travel and Lodging Undisputed 06/30/2026 1174046376 CMS
DePuy Synthes Products, Inc. $181.39 10/27/2025 Travel and Lodging Undisputed 06/30/2026 1174046387 CMS
DePuy Synthes Products, Inc. $5,800.00 11/06/2025 Consulting Fee Undisputed 06/30/2026 1174052294 CMS
DePuy Synthes Products, Inc. $65.00 11/06/2025 Food and Beverage Undisputed 06/30/2026 1174052311 CMS
DePuy Synthes Products, Inc. $39.00 11/06/2025 Travel and Lodging Undisputed 06/30/2026 1174052326 CMS
DePuy Synthes Sales Inc. $43.18 03/11/2025 Food and Beverage Undisputed 06/30/2026 1174086139 CMS
DePuy Synthes Sales Inc. $79.42 03/13/2025 Food and Beverage Undisputed 06/30/2026 1174085841 CMS
Ethicon Inc. $129.94 03/12/2025 Food and Beverage Undisputed 06/30/2026 1173795074 CMS
Ethicon Inc. $1,687.50 09/22/2025 Consulting Fee Undisputed 06/30/2026 1173798358 CMS
Ethicon Inc. $2,025.00 10/10/2025 Consulting Fee Undisputed 06/30/2026 1173798360 CMS
Ethicon US, LLC $28.20 02/03/2025 Food and Beverage Undisputed 06/30/2026 1173838872 CMS
Ethicon US, LLC $5.56 02/03/2025 Food and Beverage Undisputed 06/30/2026 1173839014 CMS
Ethicon US, LLC $147.68 02/04/2025 Food and Beverage Undisputed 06/30/2026 1173838898 CMS
Ethicon US, LLC $20.03 02/04/2025 Food and Beverage Undisputed 06/30/2026 1173838920 CMS
Ethicon US, LLC $12.31 02/07/2025 Food and Beverage Undisputed 06/30/2026 1173838992 CMS
Ethicon US, LLC $1,812.50 02/11/2025 Consulting Fee Undisputed 06/30/2026 1173880335 CMS
Ethicon US, LLC $7,087.50 02/14/2025 Consulting Fee Undisputed 06/30/2026 1173880326 CMS
Ethicon US, LLC $1,350.00 03/12/2025 Consulting Fee Undisputed 06/30/2026 1173880323 CMS
Ethicon US, LLC $121.98 03/13/2025 Food and Beverage Undisputed 06/30/2026 1173838998 CMS
Ethicon US, LLC $3,375.00 03/31/2025 Consulting Fee Undisputed 06/30/2026 1173880328 CMS
Ethicon US, LLC $124.79 10/31/2025 Food and Beverage Undisputed 06/30/2026 1173839010 CMS
Ethicon US, LLC $2,025.00 11/03/2025 Consulting Fee Undisputed 06/30/2026 1173880331 CMS
EXACTECH, INC. $10,533.28 02/18/2025 Royalty or License Undisputed 06/30/2026 1254968269 CMS
EXACTECH, INC. $7,377.74 03/31/2025 Royalty or License Undisputed 06/30/2026 1254968147 CMS
EXACTECH, INC. $6,817.93 06/30/2025 Royalty or License Undisputed 06/30/2026 1254964570 CMS
EXACTECH, INC. $5,742.22 09/30/2025 Royalty or License Undisputed 06/30/2026 1254967417 CMS
Kerecis Limited $112.99 11/18/2025 Food and Beverage Undisputed 06/30/2026 1243691102 CMS
Medacta USA, Inc. $9.03 02/06/2025 Food and Beverage Undisputed 06/30/2026 1242112866 CMS
Medacta USA, Inc. $12.84 02/06/2025 Food and Beverage Undisputed 06/30/2026 1242112868 CMS
Medacta USA, Inc. $25.00 02/06/2025 Food and Beverage Undisputed 06/30/2026 1242112870 CMS
Medacta USA, Inc. $35.64 02/06/2025 Food and Beverage Undisputed 06/30/2026 1242112872 CMS
Medacta USA, Inc. $1,800.00 02/06/2025 Consulting Fee Undisputed 06/30/2026 1242112880 CMS
Medacta USA, Inc. $5,400.00 02/06/2025 Consulting Fee Undisputed 06/30/2026 1242112882 CMS
Medacta USA, Inc. $9,900.00 02/06/2025 Consulting Fee Undisputed 06/30/2026 1242112884 CMS
Medacta USA, Inc. $246.97 02/25/2025 Travel and Lodging Undisputed 06/30/2026 1242112892 CMS
Medacta USA, Inc. $197.69 03/13/2025 Travel and Lodging Undisputed 06/30/2026 1242112900 CMS
Medacta USA, Inc. $1.61 04/30/2025 Food and Beverage Undisputed 06/30/2026 1242112924 CMS
Medacta USA, Inc. $3,600.00 05/01/2025 Consulting Fee Undisputed 06/30/2026 1242112906 CMS
Medacta USA, Inc. $1,350.00 05/01/2025 Consulting Fee Undisputed 06/30/2026 1242112908 CMS
Medacta USA, Inc. $12.55 09/09/2025 Food and Beverage Undisputed 06/30/2026 1242113018 CMS
Medical Device Business Services, Inc. $181.27 02/03/2025 Food and Beverage Undisputed 06/30/2026 1173893457 CMS
Medical Device Business Services, Inc. $1,303.55 02/03/2025 Travel and Lodging Undisputed 06/30/2026 1173893616 CMS
Medical Device Business Services, Inc. $128.00 02/05/2025 Food and Beverage Undisputed 06/30/2026 1173893329 CMS
Medical Device Business Services, Inc. $49.00 02/05/2025 Food and Beverage Undisputed 06/30/2026 1173893410 CMS
Medical Device Business Services, Inc. $22.91 03/10/2025 Food and Beverage Undisputed 06/30/2026 1173893502 CMS
Medical Device Business Services, Inc. $171.48 03/24/2025 Food and Beverage Undisputed 06/30/2026 1173893581 CMS
Medical Device Business Services, Inc. $188.66 03/26/2025 Food and Beverage Undisputed 06/30/2026 1173893663 CMS
Medical Device Business Services, Inc. $1,350.00 04/01/2025 Consulting Fee Undisputed 06/30/2026 1174020161 CMS
Medical Device Business Services, Inc. $100.21 06/01/2025 Food and Beverage Undisputed 06/30/2026 1173893452 CMS
Medical Device Business Services, Inc. $35.91 06/02/2025 Food and Beverage Undisputed 06/30/2026 1173893333 CMS
Medical Device Business Services, Inc. $16.02 06/02/2025 Food and Beverage Undisputed 06/30/2026 1173893750 CMS
Medical Device Business Services, Inc. $272.46 09/25/2025 Travel and Lodging Undisputed 06/30/2026 1173893299 CMS
Medical Device Business Services, Inc. $68.12 09/26/2025 Food and Beverage Undisputed 06/30/2026 1173893419 CMS
Medical Device Business Services, Inc. $48.79 09/26/2025 Food and Beverage Undisputed 06/30/2026 1173893495 CMS
Medical Device Business Services, Inc. $47.53 09/26/2025 Food and Beverage Undisputed 06/30/2026 1173893724 CMS
Medical Device Business Services, Inc. $10,125.00 10/07/2025 Consulting Fee Undisputed 06/30/2026 1174020176 CMS
Medical Device Business Services, Inc. $41.00 10/07/2025 Travel and Lodging Undisputed 06/30/2026 1174020183 CMS
Medical Device Business Services, Inc. $143.63 10/10/2025 Food and Beverage Undisputed 06/30/2026 1173893389 CMS
Medical Device Business Services, Inc. $491.76 10/10/2025 Travel and Lodging Undisputed 06/30/2026 1173893548 CMS
Medical Device Business Services, Inc. $50.00 10/10/2025 Travel and Lodging Undisputed 06/30/2026 1173893554 CMS
Medical Device Business Services, Inc. $271.63 10/10/2025 Travel and Lodging Undisputed 06/30/2026 1173893686 CMS
Medical Device Business Services, Inc. $61.35 10/11/2025 Food and Beverage Undisputed 06/30/2026 1173893490 CMS
Medical Device Business Services, Inc. $34.82 10/11/2025 Food and Beverage Undisputed 06/30/2026 1173893629 CMS
Medical Device Business Services, Inc. $48.16 10/11/2025 Food and Beverage Undisputed 06/30/2026 1173893632 CMS
Medical Device Business Services, Inc. $8.21 10/22/2025 Food and Beverage Undisputed 06/30/2026 1173893532 CMS
Medical Device Business Services, Inc. $111.31 10/22/2025 Food and Beverage Undisputed 06/30/2026 1173893732 CMS
Medical Device Business Services, Inc. $1,812.50 11/03/2025 Consulting Fee Undisputed 06/30/2026 1174020151 CMS
Medical Device Business Services, Inc. $1,012.50 11/03/2025 Consulting Fee Undisputed 06/30/2026 1174020190 CMS
Medical Device Business Services, Inc. $400.65 11/06/2025 Travel and Lodging Undisputed 06/30/2026 1174020154 CMS
Medical Device Business Services, Inc. $1,087.50 11/06/2025 Consulting Fee Undisputed 06/30/2026 1174020166 CMS
Medical Device Business Services, Inc. $1,350.00 11/06/2025 Consulting Fee Undisputed 06/30/2026 1174020170 CMS
OMNIlife science, Inc $48.34 03/13/2025 Food and Beverage Undisputed 06/30/2026 1254726886 CMS
OMNIlife science, Inc $600.00 10/23/2025 Consulting Fee Undisputed 06/30/2026 1254726796 CMS
OMNIlife science, Inc $2,100.00 12/22/2025 Consulting Fee Undisputed 06/30/2026 1254726798 CMS
Onkos Surgical, Inc. $3,750.00 01/15/2025 Consulting Fee Undisputed 06/30/2026 1236945225 CMS
Onkos Surgical, Inc. $177.32 04/17/2025 Food and Beverage Undisputed 06/30/2026 1236945233 CMS
Onkos Surgical, Inc. $3,375.00 08/20/2025 Consulting Fee Undisputed 06/30/2026 1236945227 CMS
Onkos Surgical, Inc. $90.14 12/11/2025 Food and Beverage Undisputed 06/30/2026 1236945231 CMS
Onkos Surgical, Inc. $750.00 12/23/2025 Consulting Fee Undisputed 06/30/2026 1236945229 CMS
Osteoremedies, LLC $140.33 06/18/2025 Food and Beverage Undisputed 06/30/2026 1241783464 CMS
restor3d, inc. $2,242.79 01/06/2025 Travel and Lodging Undisputed 06/30/2026 1185452827 CMS
restor3d, inc. $165.98 01/16/2025 Travel and Lodging Undisputed 06/30/2026 1186326152 CMS
restor3d, inc. $744.06 01/18/2025 Travel and Lodging Undisputed 06/30/2026 1186330460 CMS
restor3d, inc. $123.19 01/18/2025 Food and Beverage Undisputed 06/30/2026 1233193800 CMS
restor3d, inc. $508.64 01/19/2025 Travel and Lodging Undisputed 06/30/2026 1186330466 CMS
restor3d, inc. $2,738.97 03/03/2025 Travel and Lodging Undisputed 06/30/2026 1211488320 CMS
restor3d, inc. $97.95 03/22/2025 Travel and Lodging Undisputed 06/30/2026 1221048866 CMS
restor3d, inc. $293.32 03/24/2025 Travel and Lodging Undisputed 06/30/2026 1221245405 CMS
restor3d, inc. $2,022.67 05/15/2025 Travel and Lodging Undisputed 06/30/2026 1223429377 CMS
restor3d, inc. $12,561.69 05/29/2025 Consulting Fee Undisputed 06/30/2026 1244555193 CMS
restor3d, inc. $18.11 06/27/2025 Food and Beverage Undisputed 06/30/2026 1225434615 CMS
restor3d, inc. $270.67 06/28/2025 Travel and Lodging Undisputed 06/30/2026 1225439030 CMS
restor3d, inc. $46.15 06/28/2025 Food and Beverage Undisputed 06/30/2026 1225953589 CMS
restor3d, inc. $8,435.78 09/03/2025 Consulting Fee Undisputed 06/30/2026 1245939389 CMS
restor3d, inc. $749.05 11/12/2025 Consulting Fee Undisputed 06/30/2026 1247888348 CMS
Stryker Corporation $174.16 03/07/2025 Food and Beverage Undisputed 06/30/2026 1227356846 CMS
Stryker Corporation $201.83 03/11/2025 Food and Beverage Undisputed 06/30/2026 1227356851 CMS
Stryker Corporation $1,750.00 05/02/2025 Consulting Fee Undisputed 06/30/2026 1227356853 CMS
Stryker Corporation $9.62 06/07/2025 Food and Beverage Undisputed 06/30/2026 1227356858 CMS
Stryker Corporation $71.73 06/07/2025 Food and Beverage Undisputed 06/30/2026 1227356862 CMS
Stryker Corporation $327.11 06/10/2025 Travel and Lodging Undisputed 06/30/2026 1227356867 CMS
Stryker Corporation $2,050.50 06/10/2025 Travel and Lodging Undisputed 06/30/2026 1227356870 CMS
Stryker Corporation $244.95 06/29/2025 Travel and Lodging Undisputed 06/30/2026 1227356875 CMS
Stryker Corporation $4.31 06/30/2025 Food and Beverage Undisputed 06/30/2026 1227356879 CMS
Stryker Corporation $21.28 06/30/2025 Food and Beverage Undisputed 06/30/2026 1227356883 CMS
Stryker Corporation $22.61 06/30/2025 Food and Beverage Undisputed 06/30/2026 1227356887 CMS
Stryker Corporation $207.94 06/30/2025 Food and Beverage Undisputed 06/30/2026 1227356892 CMS
Stryker Corporation $229.88 07/01/2025 Travel and Lodging Undisputed 06/30/2026 1227356895 CMS
Stryker Corporation $220.91 07/02/2025 Travel and Lodging Undisputed 06/30/2026 1227356898 CMS
Stryker Corporation $19.07 07/19/2025 Food and Beverage Undisputed 06/30/2026 1227356902 CMS
Stryker Corporation $12,600.00 08/27/2025 Consulting Fee Undisputed 06/30/2026 1227356906 CMS
Stryker Corporation $66.67 08/27/2025 Travel and Lodging Undisputed 06/30/2026 1227356910 CMS
Think Surgical, Inc. $1,750.00 05/27/2025 Consulting Fee Undisputed 06/30/2026 1188048237 CMS
Zimmer Biomet Holdings, Inc. $276.73 02/07/2025 Travel and Lodging Undisputed 06/30/2026 1246865049 CMS
Zimmer Biomet Holdings, Inc. $35.00 02/07/2025 Travel and Lodging Undisputed 06/30/2026 1246865051 CMS
Zimmer Biomet Holdings, Inc. $192.66 02/07/2025 Travel and Lodging Undisputed 06/30/2026 1246865083 CMS
Zimmer Biomet Holdings, Inc. $40.62 02/08/2025 Food and Beverage Undisputed 06/30/2026 1246865063 CMS
Zimmer Biomet Holdings, Inc. $20.25 02/08/2025 Travel and Lodging Undisputed 06/30/2026 1246865081 CMS
Zimmer Biomet Holdings, Inc. $61.61 02/08/2025 Food and Beverage Undisputed 06/30/2026 1246865085 CMS
Zimmer Biomet Holdings, Inc. $51.34 02/08/2025 Food and Beverage Undisputed 06/30/2026 1246865087 CMS
Zimmer Biomet Holdings, Inc. $79.25 02/08/2025 Food and Beverage Undisputed 06/30/2026 1246865089 CMS
Zimmer Biomet Holdings, Inc. $299.68 04/02/2025 Education Undisputed 06/30/2026 1246865104 CMS

Source & provenance

Dataset
CMS Open Payments — General Payments
Publisher of source data
Centers for Medicare & Medicaid Services
CMS publication date
2026-06-30
Program years on this page
2019, 2020, 2021, 2022, 2023, 2024, 2025
Source files
Dataset page · Bulk file · PY2019 , PY2020 , PY2021 , PY2022 , PY2023 , PY2024 , PY2025
Generated from
OP_DTL_GNRL_PGYR2025_P06302026_06032026.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.

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