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

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. John Siebenlist
๐Ÿงด
MDIndividual

John Siebenlist, M.D.

NPI: 1164476909
San Luis Obispo, CA
10 years of data
Dermatology
$6.6M
Total Payments
36.7K
Beneficiaries
42.5K
Services
2.31x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$6.6M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $6.6M over 10 years
22.31x markup ratio (above median)
398th percentile in Dermatology by payments
46 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $6.6M in total Medicare payments ranks in the 98th percentile of Dermatology providers nationally.

Medicare payments to this provider grew 102% from 2014 to 2023.

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$451.68$147.743.06x$303.94$378.6K3.8K3.2K
2015$315.79$152.732.07x$163.06$461.8K3.8K3.3K
2016$279.78$163.101.72x$116.68$542.0K4.1K3.5K
2017$265.44$198.471.34x$66.97$753.7K4.7K3.9K
2018$281.55$162.181.74x$119.37$697.5K4.9K4.2K
2019$548.63$194.392.82x$354.24$776.5K4.5K3.9K
2020$520.75$189.262.75x$331.49$668.5K3.7K3.2K
2021$475.00$163.432.91x$311.57$794.9K4.4K3.9K
2022$495.03$173.362.86x$321.67$759.2K4.3K3.8K
2023$550.72$200.102.75x$350.62$764.7K4.3K3.6K

Top Procedures (20)

17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)
$1.9M
3.9K services$500.72/svc2.07x markup
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals
$896.1K
2.6K services$344.94/svc1.79x markup
13121Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs
$650.1K
2.1K services$316.97/svc2.13x markup
13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feetโš  3.5x markup
$547.4K
2.2K services$252.15/svc3.45x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$346.2K
6.1K services$57.15/svc1.89x markup
13101Repair of wound (2.6 to 7.5 centimeters) of trunk
$271.1K
873 services$310.57/svc2.01x markup
14060Tissue transfer repair of wound (10 sq centimeters or less) of eyelids, nose, ears, and/or lips
$228.1K
352 services$648.06/svc1.89x markup
17000Destruction of skin growth
$219.2K
5.3K services$41.63/svc2.77x markup
11602Removal of malignant growth (1.1 to 2.0 centimeters) of the trunk, arms, or legsโš  3.8x markup
$144.9K
1.4K services$102.25/svc3.78x markup
17110Destruction of up to 14 skin growths
$121.1K
1.5K services$82.86/svc2.07x markup
11100Biopsy of single growth of skin and/or tissue
$108.7K
1.4K services$75.23/svc1.77x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$107.1K
1.4K services$75.05/svc2.14x markup
13152Repair of wound (2.6 to 7.5 centimeters) of eyelids, nose, ears, and/or lipsโš  3.9x markup
$107.0K
480 services$222.94/svc3.86x markup
17004Destruction of 15 or more skin growths
$85.0K
695 services$122.28/svc2.62x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$84.1K
2.6K services$32.42/svc2.01x markup
13151Repair of wound (1.1 to 2.5 centimeters) of eyelids, nose, ears, and/or lipsโš  3.6x markup
$78.0K
430 services$181.44/svc3.57x markup
11603Removal of malignant growth (2.1 to 3.0 centimeters) of the trunk, arms, or legsโš  3.8x markup
$76.7K
651 services$117.79/svc3.77x markup
13131Repair of wound (1.1 to 2.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feetโš  3.3x markup
$61.0K
335 services$182.10/svc3.30x markup
11102Tangential biopsy of single skin lesion
$60.8K
890 services$68.31/svc2.61x markup
14040Tissue transfer repair of wound (10 sq centimeters or less) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet
$54.9K
89 services$617.08/svc2.30x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)3.9K$1.9M$500.722.07x
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals2.6K$896.1K$344.941.79x
13121Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs2.1K$650.1K$316.972.13x
13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet2.2K$547.4K$252.153.45x
99213Established patient office or other outpatient visit, typically 15 minutes6.1K$346.2K$57.151.89x
13101Repair of wound (2.6 to 7.5 centimeters) of trunk873$271.1K$310.572.01x
14060Tissue transfer repair of wound (10 sq centimeters or less) of eyelids, nose, ears, and/or lips352$228.1K$648.061.89x
17000Destruction of skin growth5.3K$219.2K$41.632.77x
11602Removal of malignant growth (1.1 to 2.0 centimeters) of the trunk, arms, or legs1.4K$144.9K$102.253.78x
17110Destruction of up to 14 skin growths1.5K$121.1K$82.862.07x
11100Biopsy of single growth of skin and/or tissue1.4K$108.7K$75.231.77x
99214Established patient office or other outpatient, visit typically 25 minutes1.4K$107.1K$75.052.14x
13152Repair of wound (2.6 to 7.5 centimeters) of eyelids, nose, ears, and/or lips480$107.0K$222.943.86x
17004Destruction of 15 or more skin growths695$85.0K$122.282.62x
99212Established patient office or other outpatient visit, typically 10 minutes2.6K$84.1K$32.422.01x
13151Repair of wound (1.1 to 2.5 centimeters) of eyelids, nose, ears, and/or lips430$78.0K$181.443.57x
11603Removal of malignant growth (2.1 to 3.0 centimeters) of the trunk, arms, or legs651$76.7K$117.793.77x
13131Repair of wound (1.1 to 2.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet335$61.0K$182.103.30x
11102Tangential biopsy of single skin lesion890$60.8K$68.312.61x
14040Tissue transfer repair of wound (10 sq centimeters or less) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet89$54.9K$617.082.30x

Markup Analysis

Charge-to-Payment Ratio

2.31x

This provider submits charges 2.31 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.31x means for every $100 Medicare pays, this provider initially charges $231. This is higher than the national average.

Location

San Luis Obispo, 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 Dermatology providers in CA for peer comparison.

John Siebenlist (you)
$6.6M
Artur Henke, MD
$35.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Artur Henke, MDRoseville, CA$35.6Mโœ“ Clear

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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.

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