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

Covered recipient · General Payments record

EFREM MICHAEL COX

Allopathic & Osteopathic Physicians Neurological Surgery

NPI
1841581527
CMS profile
1394823
Location
LAS VEGAS, NV

A name match is not confirmation of identity. CMS publishes records for different people under similar names; the NPI, specialty, and location shown on this page are the CMS-published fields that distinguish them.

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General Payments · PY2021 · Entire year

$9,709.42

96 records · 0 disputed

Summary and payment records

  • CMS publication 2026-06-30
Read the payment records

“Financial relationships do not necessarily indicate an improper relationship; the data is open to interpretation.”

— Centers for Medicare & Medicaid Services, Open Payments

A reported payment reflects a financial relationship a company disclosed. It does not indicate wrongdoing or a conflict of interest, and it says nothing about the quality of a provider's care.

These records are submitted to CMS and attested to by the reporting companies. CMS publishes them as reported; this site mirrors them without independent verification.

A payment attributed to a provider may have been made to a third party — a hospital, practice, or research institution — rather than paid to the provider personally.

How these totals are calculated
  • This total is the sum of the individual General Payments record amounts CMS published for the labeled program year(s); each record amount is used unmodified. The total itself is computed by this site. 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.
  • Methodology & Data — sourcing, labeling, and limitations.

Provider summaries generated . CMS updates this data on an annual cycle, and corrections or successful disputes made at CMS may not yet appear here. The official CMS record is authoritative for the current state. View the official CMS record ↗

By nature of payment

PY2021 · entire year · sorted by reported total

Nature of paymentAmountRecords
Consulting Fee $6,900.00 2
Food and Beverage $2,809.42 94

By paying entity

PY2021 · entire year · sorted by reported total

Paying entityAmountRecords
Stryker Corporation $7,003.59 11
Medical Device Business Services, Inc. $900.00 1
DePuy Synthes Sales Inc. $897.19 78
Spineology Inc. $442.32 1
Pacira Pharmaceuticals Incorporated $247.48 2
Nevro Corp. $218.84 3

Payment records · PY2021

Ordering applied by this site (date, newest first, then paying entity) · record values are shown as CMS published them

General Payments · PY2021 · Physicians and non-physician practitioners · CMS publication 2026-06-30

96 matching records · $9,709.42 reported total · 0 disputed

Nature of payment: All payment types

Records imported here (UTC).

Link to these filtered records · CMS source dataset ↗

Download all 96 matching records (CSV)

CSV includes CMS record IDs, source and publication dates, the data edition, and a link to these filters. Formula-like text cells are prefixed with an apostrophe for spreadsheet safety.

Showing records 1–50 of 96.

Paying entityAmountDate Nature of paymentDispute statusPublication flagsPublished Record IDSource
DePuy Synthes Sales Inc. $3.7412/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495463 CMS
DePuy Synthes Sales Inc. $12.8612/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855636765 CMS
DePuy Synthes Sales Inc. $3.7412/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495459 CMS
DePuy Synthes Sales Inc. $3.7412/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495455 CMS
DePuy Synthes Sales Inc. $18.9712/12/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026885168583 CMS
Pacira Pharmaceuticals Incorporated $110.1112/11/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026849464755 CMS
DePuy Synthes Sales Inc. $39.7912/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495541 CMS
DePuy Synthes Sales Inc. $12.6712/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495477 CMS
Stryker Corporation $139.0012/03/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428143 CMS
DePuy Synthes Sales Inc. $5.3311/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855636763 CMS
DePuy Synthes Sales Inc. $5.4511/23/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495473 CMS
DePuy Synthes Sales Inc. $5.3311/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026855636761 CMS
Stryker Corporation $105.0111/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428131 CMS
Stryker Corporation $31.0111/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428137 CMS
DePuy Synthes Sales Inc. $14.0711/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495467 CMS
Pacira Pharmaceuticals Incorporated $137.3711/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026849464759 CMS
DePuy Synthes Sales Inc. $5.5010/22/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495445 CMS
DePuy Synthes Sales Inc. $30.1110/22/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495449 CMS
DePuy Synthes Sales Inc. $16.9610/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495419 CMS
DePuy Synthes Sales Inc. $13.5710/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495437 CMS
DePuy Synthes Sales Inc. $2.8410/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495441 CMS
DePuy Synthes Sales Inc. $11.3010/11/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495433 CMS
DePuy Synthes Sales Inc. $14.1210/08/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495427 CMS
DePuy Synthes Sales Inc. $6.0410/06/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495423 CMS
DePuy Synthes Sales Inc. $21.0409/28/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495405 CMS
DePuy Synthes Sales Inc. $6.3809/26/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495401 CMS
Stryker Corporation $6,000.0009/24/2021 Consulting Fee No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428125 CMS
DePuy Synthes Sales Inc. $7.8009/23/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495397 CMS
DePuy Synthes Sales Inc. $8.9909/22/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495411 CMS
DePuy Synthes Sales Inc. $10.0809/13/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495415 CMS
DePuy Synthes Sales Inc. $8.0709/09/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495393 CMS
DePuy Synthes Sales Inc. $4.9608/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495383 CMS
DePuy Synthes Sales Inc. $9.8708/27/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495389 CMS
Stryker Corporation $114.4608/24/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428119 CMS
DePuy Synthes Sales Inc. $9.0408/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495581 CMS
DePuy Synthes Sales Inc. $8.0408/19/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495577 CMS
DePuy Synthes Sales Inc. $3.2008/17/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495573 CMS
DePuy Synthes Sales Inc. $10.6008/16/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495569 CMS
DePuy Synthes Sales Inc. $16.1208/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495563 CMS
Stryker Corporation $123.1008/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428111 CMS
Stryker Corporation $21.3608/04/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026806428115 CMS
DePuy Synthes Sales Inc. $13.5307/30/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495559 CMS
DePuy Synthes Sales Inc. $12.9107/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495481 CMS
DePuy Synthes Sales Inc. $45.1807/29/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495487 CMS
DePuy Synthes Sales Inc. $3.7407/22/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495491 CMS
DePuy Synthes Sales Inc. $58.3506/11/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495517 CMS
DePuy Synthes Sales Inc. $2.9806/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495521 CMS
DePuy Synthes Sales Inc. $15.1106/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495527 CMS
DePuy Synthes Sales Inc. $10.7305/21/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495283 CMS
DePuy Synthes Sales Inc. $8.3205/10/2021 Food and Beverage No dispute reported Delay: No
Change: UNCHANGED
06/30/2026787495287 CMS

By program year

All program years on this page · sorted by year

Program yearAmountRecords
PY2019 $1,685.53 9
PY2020 $4,851.71 52
PY2021 $9,709.42 96
PY2022 $17,957.03 58
PY2023 $3,566.60 43
PY2024 $4,555.96 83
PY2025 $2,375.69 92

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 and profile matching
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.

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.

Cite this record.

Plain
EFREM MICHAEL COX, NPI 1841581527. IndustryPayments, data edition 2026-07-26T04:22:22Z. https://industrypayments.org/provider/npi-1841581527.
APA 7
IndustryPayments. (2026). EFREM MICHAEL COX, NPI 1841581527 (Data edition 2026-07-26T04:22:22Z) [Data set]. https://industrypayments.org/provider/npi-1841581527
Bluebook
EFREM MICHAEL COX, NPI 1841581527, IndustryPayments (data edition 2026-07-26T04:22:22Z), https://industrypayments.org/provider/npi-1841581527.

Source: Centers for Medicare & Medicaid Services, Open Payments.