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. Mark Tran
๐Ÿงด
MDIndividual

Mark Tran, M.D.

NPI: 1205098696
Corona Del Mar, CA
8 years of data
Dermatology
$12.9M
Total Payments
234
Beneficiaries
125.9K
Services
1.99x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$12.9M
Specialty median$212.7K

๐Ÿ“‹ Key Findings

1Billed $12.9M over 8 years
21.99x markup ratio
399th percentile in Dermatology by payments
463 services/day โ€” unusually high
5Payments surged 316% in 2021
65 procedures with >3x markup

This provider averages 63 services per working day

Based on 125.9K total services over 8 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $12.9M in total Medicare payments ranks in the 99th percentile of Dermatology providers nationally.

Averaging 63 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 12965% from 2016 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 316% in 2021

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
2016$120.79$57.152.11x$63.64$49.4K8649
2017$124.11$58.432.12x$65.68$82.0K1.4K12
2018$129.17$60.072.15x$69.10$126.4K2.1K14
2019$110.12$52.142.11x$57.98$310.1K5.9K21
2020$136.06$68.431.99x$67.63$510.1K7.5K29
2021$191.23$88.612.16x$102.62$2.1M23.9K48
2022$185.47$93.431.99x$92.04$3.3M35.2K51
2023$253.47$131.521.93x$121.95$6.5M49.0K50

Top Procedures (20)

Q4234Xcellerate, per square centimeter
$2.2M
3.4K services$636.45/svc1.93x markup
88312Special stained specimen slides to identify organisms including interpretation and report
$2.0M
19.9K services$102.39/svc1.73x markup
88305Pathology examination of tissue using a microscope, intermediate complexity
$1.4M
21.8K services$62.99/svc1.78x markup
88341Special stained specimen slides to examine tissue, each additional procedure
$1.2M
14.5K services$82.91/svc1.68x markup
88360Microscopic genetic analysis of tumor, manual
$785.1K
7.1K services$110.46/svc1.69x markup
88342Special stained specimen slides to examine tissue, initial procedure
$623.3K
6.6K services$93.83/svc1.69x markup
88313Special stained specimen slides to examine tissue including interpretation and report
$562.3K
7.3K services$76.66/svc1.69x markup
88344Special stained specimen slides to examine tissue, each multiplex procedure
$393.4K
2.5K services$158.95/svc1.68x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$353.2K
3.6K services$97.51/svc1.89x markup
17004Destruction of precancer skin growth, 15 or more growths
$251.8K
1.7K services$149.32/svc1.74x markup
11103Biopsy of related skin growth, each additional growth
$201.9K
4.2K services$47.82/svc1.73x markup
17273Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 2.1-3.0 cm
$170.5K
1.6K services$107.82/svc2.99x markup
17262Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cmโš  3.3x markup
$168.5K
2.0K services$83.21/svc3.33x markup
17263Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cmโš  3.2x markup
$167.4K
1.8K services$92.72/svc3.23x markup
17272Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cmโš  3.3x markup
$152.2K
1.7K services$88.17/svc3.31x markup
17283Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 2.1-3.0 cm
$144.2K
1.1K services$127.69/svc2.92x markup
99215Established patient office or other outpatient visit, 40-54 minutes
$124.0K
810 services$153.10/svc1.75x markup
17282Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cmโš  3.2x markup
$120.9K
1.2K services$98.85/svc3.21x markup
17264Destruction of cancer skin growth of trunk, arms, or legs, 3.1-4.0 cmโš  3.2x markup
$111.3K
1.1K services$101.04/svc3.17x markup
17266Destruction of cancer skin growth of trunk, arms, or legs, more than 4.0 cm
$101.5K
773 services$131.26/svc2.76x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
Q4234Xcellerate, per square centimeter3.4K$2.2M$636.451.93x
88312Special stained specimen slides to identify organisms including interpretation and report19.9K$2.0M$102.391.73x
88305Pathology examination of tissue using a microscope, intermediate complexity21.8K$1.4M$62.991.78x
88341Special stained specimen slides to examine tissue, each additional procedure14.5K$1.2M$82.911.68x
88360Microscopic genetic analysis of tumor, manual7.1K$785.1K$110.461.69x
88342Special stained specimen slides to examine tissue, initial procedure6.6K$623.3K$93.831.69x
88313Special stained specimen slides to examine tissue including interpretation and report7.3K$562.3K$76.661.69x
88344Special stained specimen slides to examine tissue, each multiplex procedure2.5K$393.4K$158.951.68x
99214Established patient office or other outpatient visit, 30-39 minutes3.6K$353.2K$97.511.89x
17004Destruction of precancer skin growth, 15 or more growths1.7K$251.8K$149.321.74x
11103Biopsy of related skin growth, each additional growth4.2K$201.9K$47.821.73x
17273Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 2.1-3.0 cm1.6K$170.5K$107.822.99x
17262Destruction of cancer skin growth of trunk, arms, or legs, 1.1-2.0 cm2.0K$168.5K$83.213.33x
17263Destruction of cancer skin growth of trunk, arms, or legs, 2.1-3.0 cm1.8K$167.4K$92.723.23x
17272Destruction of cancer skin growth of scalp, neck, hands, feet, or genitals, 1.1-2.0 cm1.7K$152.2K$88.173.31x
17283Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 2.1-3.0 cm1.1K$144.2K$127.692.92x
99215Established patient office or other outpatient visit, 40-54 minutes810$124.0K$153.101.75x
17282Destruction of cancer skin growth of face, ears, eyelids, nose, lips, or mouth, 1.1-2.0 cm1.2K$120.9K$98.853.21x
17264Destruction of cancer skin growth of trunk, arms, or legs, 3.1-4.0 cm1.1K$111.3K$101.043.17x
17266Destruction of cancer skin growth of trunk, arms, or legs, more than 4.0 cm773$101.5K$131.262.76x

Markup Analysis

Charge-to-Payment Ratio

1.99x

This provider submits charges 1.99 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.99x means for every $100 Medicare pays, this provider initially charges $199. This is lower 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.

Mark Tran (you)
$12.9M
Artur Henke, MD
$35.6M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Artur Henke, MDRoseville, CA$35.6Mโœ“ Clear

Related

Browse
โ† Back to Provider Directory
State
All providers in CA 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