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. William Welton
๐Ÿงด
MDIndividual

William Welton, MD

NPI: 1043204365
Lecanto, FL
10 years of data
Dermatology
$13.4M
Total Payments
100.8K
Beneficiaries
132.4K
Services
2.37x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$13.4M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $13.4M over 10 years
22.37x markup ratio (above median)
399th percentile in Dermatology by payments
453 services/day โ€” unusually high
53 procedures with >3x markup

This provider averages 53 services per working day

Based on 132.4K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $13.4M in total Medicare payments ranks in the 99th percentile of Dermatology providers nationally.

Averaging 53 services per working day raises questions about billing patterns.

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$426.16$190.182.24x$235.98$1.7M16.1K12.6K
2015$390.17$173.082.25x$217.09$1.6M15.9K12.6K
2016$388.44$173.722.24x$214.72$1.3M14.8K11.4K
2017$368.31$167.432.20x$200.88$1.2M14.1K10.7K
2018$373.64$173.412.15x$200.23$1.2M13.2K10.0K
2019$411.79$191.052.16x$220.74$1.2M12.3K9.5K
2020$365.86$191.691.91x$174.17$1.3M13.2K9.8K
2021$387.24$207.081.87x$180.16$1.4M14.5K10.3K
2022$418.91$203.562.06x$215.35$1.3M11.8K8.6K
2023$643.81$219.802.93x$424.01$1.2M6.6K5.3K

Top Procedures (20)

17311Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals (first stage, up to 5 tissue blocks)โš  3.1x markup
$1.3M
3.6K services$343.23/svc3.07x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$1.1M
21.2K services$51.01/svc2.18x markup
14041Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet
$1.0M
1.4K services$730.76/svc2.00x markup
14301Tissue transfer repair of wound (30.1 to 60.0 sq centimeters)
$836.2K
979 services$854.15/svc1.99x markup
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals
$822.8K
2.6K services$310.50/svc2.06x markup
14021Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of the scalp, arms, and/or legs
$690.3K
1.0K services$679.43/svc1.98x markup
88305Pathology examination of tissue using a microscope, intermediate complexityโš  4.4x markup
$617.6K
21.7K services$28.50/svc4.43x markup
13121Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs
$548.6K
1.7K services$318.77/svc2.04x markup
17000Destruction of skin growthโš  3.3x markup
$476.1K
13.3K services$35.70/svc3.25x markup
13101Repair of wound (2.6 to 7.5 centimeters) of trunk
$434.3K
1.4K services$304.10/svc1.94x markup
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)
$429.3K
543 services$790.53/svc1.94x markup
77280Management of radiation therapy simulation, simple
$380.1K
1.8K services$211.05/svc1.46x markup
17004Destruction of 15 or more skin growths
$378.9K
3.3K services$113.99/svc2.33x markup
14061Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of eyelids, nose, ears, and/or lips
$323.3K
413 services$782.86/svc1.98x markup
13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet
$295.9K
992 services$298.27/svc2.85x markup
11302Shaving of 1.1 to 2.0 centimeters skin growth of the trunk, arms, or legs
$258.0K
2.8K services$92.62/svc1.82x markup
17110Destruction of up to 14 skin growths
$247.0K
3.6K services$67.76/svc2.39x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$218.8K
3.0K services$74.18/svc2.11x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$199.3K
6.4K services$31.18/svc2.33x markup
11312Shaving of 1.1 to 2.0 centimeters skin growth of face, ears, eyelids, nose, lips, or mouth
$197.6K
1.7K services$113.02/svc1.70x 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)3.6K$1.3M$343.233.07x
99213Established patient office or other outpatient visit, typically 15 minutes21.2K$1.1M$51.012.18x
14041Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of the forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet1.4K$1.0M$730.762.00x
14301Tissue transfer repair of wound (30.1 to 60.0 sq centimeters)979$836.2K$854.151.99x
17312Removal and microscopic examination of growth of the head, neck, hands, feet, or genitals2.6K$822.8K$310.502.06x
14021Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of the scalp, arms, and/or legs1.0K$690.3K$679.431.98x
88305Pathology examination of tissue using a microscope, intermediate complexity21.7K$617.6K$28.504.43x
13121Repair of wound (2.6 to 7.5 centimeters) of scalp, arms, and/or legs1.7K$548.6K$318.772.04x
17000Destruction of skin growth13.3K$476.1K$35.703.25x
13101Repair of wound (2.6 to 7.5 centimeters) of trunk1.4K$434.3K$304.101.94x
15260Relocation of patient skin to nose, ears, eyelids, and/or lips (20 sq centimeters or less)543$429.3K$790.531.94x
77280Management of radiation therapy simulation, simple1.8K$380.1K$211.051.46x
17004Destruction of 15 or more skin growths3.3K$378.9K$113.992.33x
14061Tissue transfer repair of wound (10.1 to 30.0 sq centimeters) of eyelids, nose, ears, and/or lips413$323.3K$782.861.98x
13132Repair of wound (2.6 to 7.5 centimeters) of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, and/or feet992$295.9K$298.272.85x
11302Shaving of 1.1 to 2.0 centimeters skin growth of the trunk, arms, or legs2.8K$258.0K$92.621.82x
17110Destruction of up to 14 skin growths3.6K$247.0K$67.762.39x
99214Established patient office or other outpatient, visit typically 25 minutes3.0K$218.8K$74.182.11x
99212Established patient office or other outpatient visit, typically 10 minutes6.4K$199.3K$31.182.33x
11312Shaving of 1.1 to 2.0 centimeters skin growth of face, ears, eyelids, nose, lips, or mouth1.7K$197.6K$113.021.70x

Markup Analysis

Charge-to-Payment Ratio

2.37x

This provider submits charges 2.37 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.37x means for every $100 Medicare pays, this provider initially charges $237. This is higher than the national average.

Location

Lecanto, 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.

William Welton (you)
$13.4M
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

Related

Browse
โ† Back to Provider Directory
State
All providers in FL โ†’
Specialty
All Dermatology 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