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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.
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Methodology•Download Data
  1. Home
  2. Providers
  3. Christopher Skillern
🔪
MDIndividual

Christopher Skillern, MD

NPI: 1205936697
Ventura, CA
10 years of data
Vascular Surgery
$20.3M
Total Payments
32.2K
Beneficiaries
44.3K
Services
3.55x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$20.3M
Specialty median$184.1K

📋 Key Findings

1Billed $20.3M over 10 years
23.55x markup ratio (above median)
399th percentile in Vascular Surgery by payments
4Payments surged 52% in 2022
512 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $20.3M in total Medicare payments ranks in the 99th percentile of Vascular Surgery providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

📈

Notable: Payments increased 52% in 2022

Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.

Submitted Charges vs. Medicare Payments

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

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$3.0K$893.743.39x$2.1K$2.4M4.4K3.1K
2015$3.6K$1.1K3.32x$2.5K$2.6M4.4K3.2K
2016$3.2K$947.153.35x$2.2K$3.2M5.2K3.4K
2017$3.7K$1.1K3.27x$2.6K$3.0M5.2K3.6K
2018$3.7K$1.1K3.34x$2.6K$2.9M5.4K3.8K
2019$3.8K$1.0K3.72x$2.8K$2.6M5.1K3.7K
2020$3.8K$1.2K3.23x$2.6K$699.1K2.7K2.2K
2021$2.8K$738.783.81x$2.1K$705.7K3.5K2.8K
2022$3.2K$816.013.88x$2.3K$1.1M4.2K3.2K
2023$3.5K$783.054.43x$2.7K$1.1M4.1K3.2K

Top Procedures (20)

37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure
$5.2M
521 services$9.9K/svc2.69x markup
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure
$4.2M
309 services$13.6K/svc2.67x markup
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure⚠ 4.5x markup
$3.6M
621 services$5.8K/svc4.55x markup
93925Ultrasound study of arteries and arterial grafts of both legs⚠ 3.3x markup
$781.9K
4.3K services$183.21/svc3.27x markup
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation
$507.9K
136 services$3.7K/svc2.54x markup
36247Insertion of catheter into abdominal pelvic or leg artery⚠ 6.9x markup
$480.0K
692 services$693.60/svc6.92x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$442.7K
6.9K services$64.37/svc2.48x markup
37220Balloon dilation of artery in one side of groin, endovascular, accessed through the skin or open procedure⚠ 5.1x markup
$390.5K
256 services$1.5K/svc5.11x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$304.2K
3.1K services$98.50/svc2.32x markup
35476Balloon dilation of narrowed or blocked vein, accessed through the skin⚠ 5.4x markup
$294.2K
320 services$919.47/svc5.44x markup
93922Ultrasound study of arteries of both arms and legs⚠ 4.2x markup
$294.2K
4.5K services$65.90/svc4.17x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers⚠ 3.7x markup
$280.6K
2.2K services$125.00/svc3.68x markup
37233Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure
$280.1K
215 services$1.3K/svc2.76x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck⚠ 4.7x markup
$278.8K
2.1K services$131.22/svc4.70x markup
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedure
$227.6K
220 services$1.0K/svc2.89x markup
37252Ultrasound evaluation of blood vessel during diagnosis or treatment⚠ 3.3x markup
$208.1K
198 services$1.1K/svc3.33x markup
99204New patient office or other outpatient visit, typically 45 minutes
$178.8K
1.3K services$137.53/svc2.56x markup
37221Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure⚠ 4.9x markup
$162.9K
69 services$2.4K/svc4.86x markup
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation⚠ 7.6x markup
$150.8K
305 services$494.35/svc7.64x markup
93990Ultrasound of dialysis access⚠ 6.0x markup
$150.7K
1.8K services$83.08/svc6.02x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
37225Removal of plaque in arteries in one leg, endovascular, accessed through the skin or open procedure521$5.2M$9.9K2.69x
37227Removal of plaque and insertion of stents into arteries in one leg, endovascular, accessed through the skin or open procedure309$4.2M$13.6K2.67x
37229Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure621$3.6M$5.8K4.55x
93925Ultrasound study of arteries and arterial grafts of both legs4.3K$781.9K$183.213.27x
37238Insertion of intravascular stents in vein, open or accessed through the skin, with radiological supervision and interpretation136$507.9K$3.7K2.54x
36247Insertion of catheter into abdominal pelvic or leg artery692$480.0K$693.606.92x
99213Established patient office or other outpatient visit, typically 15 minutes6.9K$442.7K$64.372.48x
37220Balloon dilation of artery in one side of groin, endovascular, accessed through the skin or open procedure256$390.5K$1.5K5.11x
99214Established patient office or other outpatient, visit typically 25 minutes3.1K$304.2K$98.502.32x
35476Balloon dilation of narrowed or blocked vein, accessed through the skin320$294.2K$919.475.44x
93922Ultrasound study of arteries of both arms and legs4.5K$294.2K$65.904.17x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers2.2K$280.6K$125.003.68x
37233Removal of plaque in artery in one leg, endovascular, accessed through the skin or open procedure215$280.1K$1.3K2.76x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck2.1K$278.8K$131.224.70x
37232Balloon dilation of artery in one leg, endovascular, accessed through the skin or open procedure220$227.6K$1.0K2.89x
37252Ultrasound evaluation of blood vessel during diagnosis or treatment198$208.1K$1.1K3.33x
99204New patient office or other outpatient visit, typically 45 minutes1.3K$178.8K$137.532.56x
37221Insertion of stents in artery in one side of groin, endovascular, accessed through the skin or open procedure69$162.9K$2.4K4.86x
36902Insertion of needle and/or catheter into dialysis circuit and balloon dilation of dialysis segment, with imaging including radiological supervision and interpretation305$150.8K$494.357.64x
93990Ultrasound of dialysis access1.8K$150.7K$83.086.02x

Markup Analysis

Charge-to-Payment Ratio

3.55x

This provider submits charges 3.55 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.55x means for every $100 Medicare pays, this provider initially charges $355. This is higher than the national average.

Location

Ventura, CA

Provider Verification

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

Similar Providers

Other Vascular Surgery providers in CA for peer comparison.

Christopher Skillern (you)
$20.3M
Harold Tabaie, MD
$69.0M
Rajiv Nagesetty, MD
$48.3M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Harold Tabaie, MDLos Angeles, CA$69.0M✓ Clear
Rajiv Nagesetty, MDWalnut Creek, CA$48.3M✓ Clear

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Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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