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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 Kowalczyk
๐Ÿงด
MDIndividual

John Kowalczyk, M.D.

NPI: 1477870459
Jupiter, FL
10 years of data
Dermatology
$4.5M
Total Payments
58.9K
Beneficiaries
78.8K
Services
1.87x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$4.5M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $4.5M over 10 years
21.87x markup ratio
398th percentile in Dermatology by payments
4Payments surged 117% in 2015
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.5M in total Medicare payments ranks in the 98th percentile of Dermatology providers nationally.

Medicare payments to this provider grew 259% 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

๐Ÿ“ˆ

Notable: Payments increased 117% in 2015

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$107.08$62.011.73x$45.07$163.4K3.1K3.0K
2015$145.22$78.861.84x$66.36$354.5K7.2K5.2K
2016$123.51$68.701.80x$54.81$345.7K7.1K5.2K
2017$165.86$86.471.92x$79.39$370.1K7.7K5.7K
2018$200.70$111.341.80x$89.36$454.3K8.5K6.3K
2019$210.20$109.911.91x$100.29$533.5K8.6K6.6K
2020$200.96$107.671.87x$93.29$529.4K8.4K6.3K
2021$197.87$109.071.81x$88.80$570.6K9.1K6.7K
2022$209.04$112.921.85x$96.12$581.7K9.5K6.9K
2023$198.71$105.761.88x$92.95$586.0K9.7K7.1K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes
$1.0M
17.5K services$57.58/svc1.70x markup
17000Destruction of skin growth
$659.5K
16.0K services$41.14/svc2.43x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$490.5K
5.9K services$83.81/svc1.74x markup
11102Tangential biopsy of single skin lesion
$358.0K
4.8K services$74.77/svc1.82x markup
11100Biopsy of single growth of skin and/or tissue
$345.7K
4.4K services$79.22/svc1.58x markup
17262Destruction of malignant growth (1.1 to 2.0 centimeters) of trunk, arms, or legs
$331.8K
2.5K services$132.29/svc1.80x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$185.9K
5.3K services$34.78/svc1.67x markup
17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)
$173.6K
321 services$540.86/svc1.71x markup
17261Destruction of malignant growth (0.6 to 1.0 centimeters) of trunk, arms, or legs
$165.8K
1.6K services$102.14/svc1.85x markup
17110Destruction of up to 14 skin growths
$130.4K
1.5K services$85.23/svc1.77x markup
99203New patient office or other outpatient visit, typically 30 minutes
$80.8K
1.1K services$74.12/svc1.96x markup
17003Destruction of 2-14 skin growths
$53.8K
10.8K services$5.00/svc3.00x markup
17004Destruction of 15 or more skin growths
$48.7K
394 services$123.72/svc1.98x markup
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals
$45.0K
132 services$341.16/svc1.61x markup
17272Destruction of malignant growth (1.1 to 2.0 centimeters) of scalp, neck, hands, feet, or genitals
$41.5K
279 services$148.66/svc1.73x markup
17271Destruction of malignant growth (0.6 to 1.0 centimeters) of scalp, neck, hands, feet, or genitals
$38.8K
317 services$122.43/svc1.77x markup
11103Tangential biopsy of additional skin lesion
$37.4K
858 services$43.62/svc1.67x markup
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs
$36.2K
150 services$241.50/svc1.57x markup
69100Biopsy of ear
$31.5K
477 services$65.99/svc2.12x markup
17281Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth
$30.9K
224 services$138.10/svc1.71x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes17.5K$1.0M$57.581.70x
17000Destruction of skin growth16.0K$659.5K$41.142.43x
99214Established patient office or other outpatient, visit typically 25 minutes5.9K$490.5K$83.811.74x
11102Tangential biopsy of single skin lesion4.8K$358.0K$74.771.82x
11100Biopsy of single growth of skin and/or tissue4.4K$345.7K$79.221.58x
17262Destruction of malignant growth (1.1 to 2.0 centimeters) of trunk, arms, or legs2.5K$331.8K$132.291.80x
99212Established patient office or other outpatient visit, typically 10 minutes5.3K$185.9K$34.781.67x
17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)321$173.6K$540.861.71x
17261Destruction of malignant growth (0.6 to 1.0 centimeters) of trunk, arms, or legs1.6K$165.8K$102.141.85x
17110Destruction of up to 14 skin growths1.5K$130.4K$85.231.77x
99203New patient office or other outpatient visit, typically 30 minutes1.1K$80.8K$74.121.96x
17003Destruction of 2-14 skin growths10.8K$53.8K$5.003.00x
17004Destruction of 15 or more skin growths394$48.7K$123.721.98x
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals132$45.0K$341.161.61x
17272Destruction of malignant growth (1.1 to 2.0 centimeters) of scalp, neck, hands, feet, or genitals279$41.5K$148.661.73x
17271Destruction of malignant growth (0.6 to 1.0 centimeters) of scalp, neck, hands, feet, or genitals317$38.8K$122.431.77x
11103Tangential biopsy of additional skin lesion858$37.4K$43.621.67x
12032Repair of wound (2.6 to 7.5 centimeters) of the scalp, underarms, trunk, arms, and/or legs150$36.2K$241.501.57x
69100Biopsy of ear477$31.5K$65.992.12x
17281Destruction of malignant growth (0.6 to 1.0 centimeters) of face, ears, eyelids, nose, lips, or mouth224$30.9K$138.101.71x

Markup Analysis

Charge-to-Payment Ratio

1.87x

This provider submits charges 1.87 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.87x means for every $100 Medicare pays, this provider initially charges $187. This is lower than the national average.

Location

Jupiter, FL

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 FL for peer comparison.

John Kowalczyk (you)
$4.5M
Thi Tran, DO
$37.6M
Neil Sandhu, MD
$36.2M
David Casper, M.D.
$35.4M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Thi Tran, DOThe Villages, FL$37.6Mโœ“ Clear
Neil Sandhu, MDOrange City, FL$36.2Mโœ“ Clear
David Casper, M.D.The Villages, FL$35.4Mโœ“ 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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