OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
Data Sources: Centers for Medicare & Medicaid Services (CMS), Medicare Provider Utilization and Payment Data
Disclaimer: This site is an independent journalism project. Data analysis and editorial content are not affiliated with or endorsed by CMS or any government agency. All spending figures are based on publicly available Medicare payment records.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

ยฉ 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Derek Duke
๐Ÿง 
MDIndividual

Derek Duke, M.D.

NPI: 1619934916
Henderson, NV
10 years of data
Neurosurgery
$4.6M
Total Payments
14.0K
Beneficiaries
14.8K
Services
10.33x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$4.6M
Specialty median$71.9K

๐Ÿ“‹ Key Findings

1Billed $4.6M over 10 years
210.33x markup ratio (above median)
399th percentile in Neurosurgery by payments
420 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.6M in total Medicare payments ranks in the 99th percentile of Neurosurgery providers nationally.

Their average markup ratio of 10.33x is significantly above the specialty median of 5.9x.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

Submitted Charges vs. Medicare Payments

Average per-service amounts submitted by the provider compared to what Medicare actually paid โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$2.9K$437.576.56x$2.4K$436.1K1.4K1.4K
2015$2.5K$402.246.24x$2.1K$456.8K1.5K1.4K
2016$4.0K$471.178.40x$3.5K$385.9K1.4K1.3K
2017$4.0K$464.168.58x$3.5K$430.0K1.5K1.4K
2018$4.3K$485.918.88x$3.8K$556.6K1.7K1.7K
2019$4.0K$462.138.61x$3.5K$539.5K1.7K1.6K
2020$3.9K$475.428.27x$3.5K$469.2K1.5K1.4K
2021$6.0K$462.4613.03x$5.6K$405.9K1.3K1.2K
2022$6.7K$446.3214.98x$6.2K$436.1K1.4K1.3K
2023$7.3K$432.3516.96x$6.9K$436.5K1.4K1.3K

Top Procedures (20)

22633Fusion of lower spine bones with removal of disc, posterior or posterolateral approachโš  7.3x markup
$1.4M
948 services$1.5K/svc7.35x markup
63047Partial removal of middle spine bone with release of spinal cord and/or nervesโš  16.9x markup
$1.1M
1.6K services$675.91/svc16.85x markup
22840Insertion of posterior spinal instrumentation at base of neck for stabilization, 1 interspaceโš  6.3x markup
$531.2K
846 services$627.93/svc6.28x markup
63048Partial removal of spine bone with release of spinal cord and/or nervesโš  9.8x markup
$223.8K
1.3K services$175.55/svc9.85x markup
99203New patient office or other outpatient visit, typically 30 minutesโš  6.5x markup
$177.9K
2.2K services$80.34/svc6.46x markup
22853Insertion of device into intervertebral disc space of spine and fusion of vertebraeโš  8.0x markup
$163.5K
767 services$213.12/svc7.97x markup
63045Partial removal of upper spine bone with release of spinal cord and/or nervesโš  9.0x markup
$154.5K
146 services$1.1K/svc9.00x markup
99213Established patient office or other outpatient visit, typically 15 minutesโš  8.6x markup
$139.8K
2.3K services$60.68/svc8.58x markup
22551Fusion of spine bones with removal of disc at upper spinal column, anterior approachโš  12.6x markup
$96.7K
70 services$1.4K/svc12.58x markup
22851Insertion of spinal instrumentation for spinal stabilizationโš  6.5x markup
$95.9K
286 services$335.40/svc6.45x markup
99214Established patient office or other outpatient, visit typically 25 minutesโš  7.3x markup
$67.7K
772 services$87.72/svc7.33x markup
99204New patient office or other outpatient visit, typically 45 minutesโš  10.9x markup
$65.3K
520 services$125.50/svc10.95x markup
99202New patient office or other outpatient visit, typically 20 minutesโš  4.2x markup
$63.1K
1.2K services$54.21/svc4.20x markup
22842Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segmentsโš  10.0x markup
$51.9K
82 services$632.71/svc9.98x markup
99212Established patient office or other outpatient visit, typically 10 minutesโš  3.9x markup
$41.8K
1.3K services$32.38/svc3.91x markup
63052Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower backโš  58.8x markup
$40.8K
192 services$212.69/svc58.77x markup
22850Removal of posterior spinal instrumentationโš  12.3x markup
$35.2K
111 services$316.69/svc12.29x markup
22845Insertion of anterior spinal instrumentation for spinal stabilization, 2 to 3 vertebral segmentsโš  6.6x markup
$33.8K
57 services$593.19/svc6.56x markup
22634Fusion of lower spine bones with removal of disc, posterior or posterolateral approachโš  7.2x markup
$23.8K
57 services$418.19/svc7.24x markup
22830Exploration of spinal fusionโš  19.8x markup
$15.5K
45 services$344.79/svc19.75x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
22633Fusion of lower spine bones with removal of disc, posterior or posterolateral approach948$1.4M$1.5K7.35x
63047Partial removal of middle spine bone with release of spinal cord and/or nerves1.6K$1.1M$675.9116.85x
22840Insertion of posterior spinal instrumentation at base of neck for stabilization, 1 interspace846$531.2K$627.936.28x
63048Partial removal of spine bone with release of spinal cord and/or nerves1.3K$223.8K$175.559.85x
99203New patient office or other outpatient visit, typically 30 minutes2.2K$177.9K$80.346.46x
22853Insertion of device into intervertebral disc space of spine and fusion of vertebrae767$163.5K$213.127.97x
63045Partial removal of upper spine bone with release of spinal cord and/or nerves146$154.5K$1.1K9.00x
99213Established patient office or other outpatient visit, typically 15 minutes2.3K$139.8K$60.688.58x
22551Fusion of spine bones with removal of disc at upper spinal column, anterior approach70$96.7K$1.4K12.58x
22851Insertion of spinal instrumentation for spinal stabilization286$95.9K$335.406.45x
99214Established patient office or other outpatient, visit typically 25 minutes772$67.7K$87.727.33x
99204New patient office or other outpatient visit, typically 45 minutes520$65.3K$125.5010.95x
99202New patient office or other outpatient visit, typically 20 minutes1.2K$63.1K$54.214.20x
22842Insertion of posterior spinal instrumentation for spinal stabilization, 3 to 6 vertebral segments82$51.9K$632.719.98x
99212Established patient office or other outpatient visit, typically 10 minutes1.3K$41.8K$32.383.91x
63052Partial removal of bone of single segment of spine in lower back with release of spinal cord and/or nerves during fusion of spine in lower back192$40.8K$212.6958.77x
22850Removal of posterior spinal instrumentation111$35.2K$316.6912.29x
22845Insertion of anterior spinal instrumentation for spinal stabilization, 2 to 3 vertebral segments57$33.8K$593.196.56x
22634Fusion of lower spine bones with removal of disc, posterior or posterolateral approach57$23.8K$418.197.24x
22830Exploration of spinal fusion45$15.5K$344.7919.75x

Markup Analysis

Charge-to-Payment Ratio

10.33x

This provider submits charges 10.33 times higher than what Medicare actually pays.

What This Means

A markup ratio of 10.33x means for every $100 Medicare pays, this provider initially charges $1033. This is higher than the national average.

Location

Henderson, NV

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Related

Browse
โ† Back to Provider Directory
State
All providers in NV โ†’
Specialty
All Neurosurgery providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข National Plan and Provider Enumeration System (NPPES)

Last Updated: February 2026 (data through 2023, the latest CMS release)

Note: All data is from publicly available Medicare records. OpenMedicare is an independent journalism project not affiliated with CMS.

Believe this data is inaccurate? Dispute this data