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Methodology•Download Data
  1. Home
  2. Providers
  3. Constantin Marcu
❤️
MDIndividual

Constantin Marcu, MD

NPI: 1528013885
Greenville, NC
10 years of data
Cardiology
$3.6M
Total Payments
54.8K
Beneficiaries
58.2K
Services
10.42x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$3.6M
Specialty median$193.1K

📋 Key Findings

1Billed $3.6M over 10 years
210.42x markup ratio (above median)
397th percentile in Cardiology by payments
414 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $3.6M in total Medicare payments ranks in the 97th percentile of Cardiology providers nationally.

Their average markup ratio of 10.42x is significantly above the specialty median of 3.6x.

Medicare payments to this provider grew 122% 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

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$455.94$58.697.77x$397.25$172.0K3.3K3.2K
2015$451.24$64.137.04x$387.11$252.4K4.7K4.3K
2016$471.66$67.756.96x$403.91$334.0K5.4K5.1K
2017$450.19$64.976.93x$385.22$351.7K5.8K5.4K
2018$556.53$69.418.02x$487.12$407.7K6.2K5.9K
2019$544.60$71.747.59x$472.86$473.6K6.8K6.4K
2020$544.11$67.398.07x$476.72$429.8K6.7K6.3K
2021$589.45$69.708.46x$519.75$411.9K6.4K6.0K
2022$580.92$64.628.99x$516.30$361.9K5.6K5.3K
2023$577.43$59.399.72x$518.04$382.5K7.3K7.0K

Top Procedures (20)

93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 15.7x markup
$1.1M
12.8K services$88.42/svc15.68x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies⚠ 8.3x markup
$508.0K
1.9K services$264.47/svc8.35x markup
74174CT scan of abdominal and pelvic blood vessels with contrast⚠ 8.8x markup
$355.2K
1.7K services$209.83/svc8.80x markup
71275CT scan of blood vessels in chest with contrast⚠ 15.1x markup
$188.5K
1.6K services$119.37/svc15.13x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$161.9K
2.1K services$78.83/svc2.73x markup
75561MRI of heart before and after contrast⚠ 6.1x markup
$95.3K
970 services$98.24/svc6.07x markup
71250CT scan chest⚠ 15.0x markup
$93.0K
1.4K services$68.75/svc15.04x markup
A9500Technetium tc-99m sestamibi, diagnostic, per study dose
$92.5K
1.3K services$68.97/svc1.81x markup
71260CT scan chest with contrast⚠ 12.4x markup
$71.1K
762 services$93.31/svc12.41x markup
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report⚠ 10.5x markup
$70.1K
1.4K services$48.75/svc10.52x markup
G0297Low dose ct scan (ldct) for lung cancer screening
$67.8K
381 services$177.83/svc1.47x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 8.6x markup
$67.2K
6.0K services$11.21/svc8.56x markup
74177CT scan of abdomen and pelvis with contrast⚠ 6.1x markup
$51.9K
305 services$170.28/svc6.13x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$49.2K
887 services$55.47/svc2.63x markup
71046X-ray of chest, 2 views⚠ 5.5x markup
$47.7K
3.0K services$15.75/svc5.46x markup
75574CT scan of heart blood vessels and grafts with contrast dye⚠ 10.3x markup
$44.7K
215 services$208.04/svc10.33x markup
J2785Injection, regadenoson, 0.1 mg
$41.6K
956 services$43.47/svc2.59x markup
71271Low dose ct scan of chest for lung cancer screening⚠ 3.8x markup
$33.2K
375 services$88.50/svc3.75x markup
93308Follow-up or limited ultrasound examination of heart⚠ 7.7x markup
$29.8K
1.2K services$24.08/svc7.70x markup
99204New patient office or other outpatient visit, typically 45 minutes
$29.5K
241 services$122.34/svc2.70x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function12.8K$1.1M$88.4215.68x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies1.9K$508.0K$264.478.35x
74174CT scan of abdominal and pelvic blood vessels with contrast1.7K$355.2K$209.838.80x
71275CT scan of blood vessels in chest with contrast1.6K$188.5K$119.3715.13x
99214Established patient office or other outpatient, visit typically 25 minutes2.1K$161.9K$78.832.73x
75561MRI of heart before and after contrast970$95.3K$98.246.07x
71250CT scan chest1.4K$93.0K$68.7515.04x
A9500Technetium tc-99m sestamibi, diagnostic, per study dose1.3K$92.5K$68.971.81x
71260CT scan chest with contrast762$71.1K$93.3112.41x
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report1.4K$70.1K$48.7510.52x
G0297Low dose ct scan (ldct) for lung cancer screening381$67.8K$177.831.47x
93000Routine EKG using at least 12 leads including interpretation and report6.0K$67.2K$11.218.56x
74177CT scan of abdomen and pelvis with contrast305$51.9K$170.286.13x
99232Subsequent hospital inpatient care, typically 25 minutes per day887$49.2K$55.472.63x
71046X-ray of chest, 2 views3.0K$47.7K$15.755.46x
75574CT scan of heart blood vessels and grafts with contrast dye215$44.7K$208.0410.33x
J2785Injection, regadenoson, 0.1 mg956$41.6K$43.472.59x
71271Low dose ct scan of chest for lung cancer screening375$33.2K$88.503.75x
93308Follow-up or limited ultrasound examination of heart1.2K$29.8K$24.087.70x
99204New patient office or other outpatient visit, typically 45 minutes241$29.5K$122.342.70x

Markup Analysis

Charge-to-Payment Ratio

10.42x

This provider submits charges 10.42 times higher than what Medicare actually pays.

What This Means

A markup ratio of 10.42x means for every $100 Medicare pays, this provider initially charges $1042. This is higher than the national average.

Location

Greenville, NC

Provider Verification

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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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