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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.
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. Catherine Lee
๐Ÿงด
MDIndividual

Catherine Lee, M.D.

NPI: 1992821797
Corona Del Mar, CA
10 years of data
Dermatology
$21.5M
Total Payments
248
Beneficiaries
129.4K
Services
2.03x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$21.5M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $21.5M over 10 years
22.03x markup ratio (above median)
399th percentile in Dermatology by payments
452 services/day โ€” unusually high
5Payments surged 318% in 2023
61 procedure with >3x markup

This provider averages 52 services per working day

Based on 129.4K total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $21.5M in total Medicare payments ranks in the 99th percentile of Dermatology providers nationally.

Averaging 52 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 6132% 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 318% in 2023

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$152.84$66.532.30x$86.31$201.8K3.0K19
2015$152.67$71.532.13x$81.14$312.9K4.4K19
2016$271.81$114.732.37x$157.08$496.0K4.3K21
2017$262.43$109.712.39x$152.72$590.0K5.4K24
2018$234.10$102.252.29x$131.85$575.3K5.6K26
2019$275.32$123.072.24x$152.25$764.2K6.2K21
2020$304.55$147.662.06x$156.89$1.1M7.7K24
2021$241.55$130.671.85x$110.88$1.8M14.0K30
2022$211.22$118.241.79x$92.98$3.0M25.5K31
2023$481.21$235.622.04x$245.59$12.6M53.4K33

Top Procedures (20)

Q4234Xcellerate, per square centimeter
$8.2M
14.5K services$563.84/svc2.17x markup
17312Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks
$2.3M
6.2K services$361.55/svc1.80x markup
17311Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks
$1.9M
3.8K services$509.11/svc2.12x markup
88341Special stained specimen slides to examine tissue, each additional procedure
$1.3M
16.0K services$81.86/svc1.69x markup
88312Special stained specimen slides to identify organisms including interpretation and report
$1.1M
10.4K services$104.59/svc1.70x markup
88344Special stained specimen slides to examine tissue, each multiplex procedure
$1.0M
6.4K services$158.81/svc1.68x markup
88360Microscopic genetic analysis of tumor, manual
$666.6K
6.1K services$109.62/svc1.70x markup
17314Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks
$612.4K
1.8K services$349.36/svc1.79x markup
88342Special stained specimen slides to examine tissue, initial procedure
$563.0K
6.0K services$93.85/svc1.69x markup
17313Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks
$526.5K
1.1K services$486.14/svc2.08x markup
88313Special stained specimen slides to examine tissue including interpretation and report
$485.1K
6.4K services$76.08/svc1.71x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$345.9K
4.0K services$87.19/svc2.08x markup
17110Destruction of skin growth, 1-14 growths
$261.5K
2.9K services$89.35/svc2.07x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$256.8K
3.9K services$65.94/svc1.93x markup
17000Destruction of precancer skin growth, 1 growth
$223.0K
5.8K services$38.51/svc2.86x markup
13132Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cmโš  3.7x markup
$185.7K
868 services$213.95/svc3.67x markup
13121Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm
$151.0K
636 services$237.47/svc2.99x markup
17004Destruction of precancer skin growth, 15 or more growths
$139.2K
1.0K services$135.92/svc1.92x markup
11102Biopsy of related skin growth, first growth
$131.2K
2.0K services$66.11/svc2.48x markup
14041Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.1-30.0 sq cm
$112.2K
141 services$795.56/svc1.88x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
Q4234Xcellerate, per square centimeter14.5K$8.2M$563.842.17x
17312Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, each additional stage, 1-5 tissue blocks6.2K$2.3M$361.551.80x
17311Removal and microscopic exam of growth of head, neck, hands, feet, or genitals, 1-5 tissue blocks3.8K$1.9M$509.112.12x
88341Special stained specimen slides to examine tissue, each additional procedure16.0K$1.3M$81.861.69x
88312Special stained specimen slides to identify organisms including interpretation and report10.4K$1.1M$104.591.70x
88344Special stained specimen slides to examine tissue, each multiplex procedure6.4K$1.0M$158.811.68x
88360Microscopic genetic analysis of tumor, manual6.1K$666.6K$109.621.70x
17314Removal and microscopic exam of growth of trunk, arms, or legs, each additional stage, 1-5 tissue blocks1.8K$612.4K$349.361.79x
88342Special stained specimen slides to examine tissue, initial procedure6.0K$563.0K$93.851.69x
17313Removal and microscopic exam of growth of trunk, arms, or legs, 1-5 tissue blocks1.1K$526.5K$486.142.08x
88313Special stained specimen slides to examine tissue including interpretation and report6.4K$485.1K$76.081.71x
99214Established patient office or other outpatient visit, 30-39 minutes4.0K$345.9K$87.192.08x
17110Destruction of skin growth, 1-14 growths2.9K$261.5K$89.352.07x
99213Established patient office or other outpatient visit, 20-29 minutes3.9K$256.8K$65.941.93x
17000Destruction of precancer skin growth, 1 growth5.8K$223.0K$38.512.86x
13132Complicated repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet, 2.6-7.5 cm868$185.7K$213.953.67x
13121Complicated repair of wound of scalp, arms, or legs, 2.6-7.5 cm636$151.0K$237.472.99x
17004Destruction of precancer skin growth, 15 or more growths1.0K$139.2K$135.921.92x
11102Biopsy of related skin growth, first growth2.0K$131.2K$66.112.48x
14041Repair of wound of forehead, cheeks, chin, mouth, neck, underarms, genitals, hands, or feet by transferring skin, 10.1-30.0 sq cm141$112.2K$795.561.88x

Markup Analysis

Charge-to-Payment Ratio

2.03x

This provider submits charges 2.03 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.03x means for every $100 Medicare pays, this provider initially charges $203. This is higher than the national average.

Location

Corona Del Mar, 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.

Catherine Lee (you)
$21.5M
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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