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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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Methodology•Download Data
  1. Home
  2. Providers
  3. David Lan
⚕️
MDIndividual

David Lan, MD

NPI: 1588641526
Germantown, TN
10 years of data
Clinical Cardiac Electrophysiology
$6.6M
Total Payments
62.4K
Beneficiaries
95.2K
Services
3.69x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$6.6M
Specialty median$207.8K

📋 Key Findings

1Billed $6.6M over 10 years
23.69x markup ratio (above median)
398th percentile in Clinical Cardiac Electrophysiology by payments
420 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

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

This provider's billing patterns fall within normal ranges for their specialty.

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$505.13$148.003.41x$357.13$586.2K6.3K4.4K
2015$509.35$150.923.37x$358.43$583.3K5.8K4.1K
2016$486.79$143.133.40x$343.66$562.5K5.9K4.0K
2017$505.48$145.103.48x$360.38$627.0K7.8K5.1K
2018$495.21$136.513.63x$358.70$733.3K11.1K7.2K
2019$489.60$136.303.59x$353.30$800.9K12.9K8.3K
2020$490.08$135.743.61x$354.34$683.1K12.2K7.6K
2021$438.78$120.783.63x$318.00$775.4K12.9K8.2K
2022$482.70$126.143.83x$356.56$623.1K10.9K7.0K
2023$483.12$122.023.96x$361.10$614.4K9.4K6.4K

Top Procedures (20)

93656Evaluation and insertion of catheters for recording, pacing, and treatment of abnormal heart rhythm⚠ 3.3x markup
$953.0K
1.2K services$815.92/svc3.29x markup
99214Established patient office or other outpatient, visit typically 25 minutes⚠ 3.8x markup
$609.8K
7.9K services$77.64/svc3.75x markup
33249Insertion or replacement of single or dual chamber pacing defibrillator leads⚠ 3.5x markup
$355.7K
532 services$668.59/svc3.48x markup
99223Initial hospital inpatient care, typically 70 minutes per day⚠ 3.5x markup
$330.8K
2.2K services$150.30/svc3.53x markup
99205New patient office or other outpatient visit, typically 60 minutes⚠ 3.7x markup
$322.5K
2.2K services$148.07/svc3.68x markup
93655Insertion of catheters for treatment of abnormal heart rhythm⚠ 3.4x markup
$306.3K
1.0K services$294.20/svc3.35x markup
93613Insertion of catheters for 3D mapping of electrical impulses to heart muscles⚠ 3.7x markup
$303.9K
1.2K services$256.88/svc3.66x markup
33208Insertion of new or replacement of permanent pacemaker including upper and lower chamber electrodes⚠ 3.6x markup
$267.5K
729 services$366.91/svc3.65x markup
93653Evaluation and insertion of catheters for creation of complete heart block⚠ 3.3x markup
$205.5K
336 services$611.60/svc3.25x markup
99213Established patient office or other outpatient visit, typically 15 minutes⚠ 3.8x markup
$183.9K
3.7K services$49.78/svc3.80x markup
93296Remote evaluations of defibrillator transmissions, technician review, support and distribution of results up to 90 days⚠ 5.4x markup
$174.3K
10.7K services$16.22/svc5.36x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day⚠ 3.4x markup
$171.3K
3.1K services$54.52/svc3.44x markup
33225Insertion of left heart electrode for pacing defibrillator device⚠ 3.2x markup
$165.9K
481 services$344.97/svc3.16x markup
93654Evaluation and insertion of catheters for recording, pacing, and attempted induction of abnormal heart rhythm⚠ 3.2x markup
$152.5K
183 services$833.07/svc3.18x markup
93294Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days⚠ 3.9x markup
$147.1K
7.0K services$21.02/svc3.85x markup
93295Remote evaluations of single, dual, or multiple lead cardioverter-defibrillator with physician analysis, review, and report up to 90 days⚠ 5.3x markup
$127.1K
4.1K services$30.68/svc5.25x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 5.9x markup
$121.7K
11.0K services$11.07/svc5.92x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day⚠ 3.4x markup
$114.9K
1.4K services$80.63/svc3.42x markup
93662Ultrasound evaluation of heart blood vessel⚠ 3.3x markup
$114.8K
1.1K services$106.12/svc3.30x markup
99215Established patient office or other outpatient, visit typically 40 minutes⚠ 3.7x markup
$108.9K
1.0K services$103.83/svc3.67x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
93656Evaluation and insertion of catheters for recording, pacing, and treatment of abnormal heart rhythm1.2K$953.0K$815.923.29x
99214Established patient office or other outpatient, visit typically 25 minutes7.9K$609.8K$77.643.75x
33249Insertion or replacement of single or dual chamber pacing defibrillator leads532$355.7K$668.593.48x
99223Initial hospital inpatient care, typically 70 minutes per day2.2K$330.8K$150.303.53x
99205New patient office or other outpatient visit, typically 60 minutes2.2K$322.5K$148.073.68x
93655Insertion of catheters for treatment of abnormal heart rhythm1.0K$306.3K$294.203.35x
93613Insertion of catheters for 3D mapping of electrical impulses to heart muscles1.2K$303.9K$256.883.66x
33208Insertion of new or replacement of permanent pacemaker including upper and lower chamber electrodes729$267.5K$366.913.65x
93653Evaluation and insertion of catheters for creation of complete heart block336$205.5K$611.603.25x
99213Established patient office or other outpatient visit, typically 15 minutes3.7K$183.9K$49.783.80x
93296Remote evaluations of defibrillator transmissions, technician review, support and distribution of results up to 90 days10.7K$174.3K$16.225.36x
99232Subsequent hospital inpatient care, typically 25 minutes per day3.1K$171.3K$54.523.44x
33225Insertion of left heart electrode for pacing defibrillator device481$165.9K$344.973.16x
93654Evaluation and insertion of catheters for recording, pacing, and attempted induction of abnormal heart rhythm183$152.5K$833.073.18x
93294Remote evaluations of single, dual, or multiple lead pacemaker with physician analysis, review, and report up to 90 days7.0K$147.1K$21.023.85x
93295Remote evaluations of single, dual, or multiple lead cardioverter-defibrillator with physician analysis, review, and report up to 90 days4.1K$127.1K$30.685.25x
93000Routine EKG using at least 12 leads including interpretation and report11.0K$121.7K$11.075.92x
99233Subsequent hospital inpatient care, typically 35 minutes per day1.4K$114.9K$80.633.42x
93662Ultrasound evaluation of heart blood vessel1.1K$114.8K$106.123.30x
99215Established patient office or other outpatient, visit typically 40 minutes1.0K$108.9K$103.833.67x

Markup Analysis

Charge-to-Payment Ratio

3.69x

This provider submits charges 3.69 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.69x means for every $100 Medicare pays, this provider initially charges $369. This is higher than the national average.

Location

Germantown, TN

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

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Data Sources

  • • Centers for Medicare & Medicaid Services (CMS)
  • • Medicare Provider Utilization and Payment Data (2014-2023)
  • • 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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