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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. Stefano Sdringola-Maranga
❤️
MDIndividual

Stefano Sdringola-Maranga, M.D.

NPI: 1942233960
Humble, TX
10 years of data
Interventional Cardiology
$10.9M
Total Payments
32.6K
Beneficiaries
37.8K
Services
3.03x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$10.9M
Specialty median$201.5K

📋 Key Findings

1Billed $10.9M over 10 years
23.03x markup ratio (above median)
399th percentile in Interventional Cardiology by payments
4Payments surged 333% in 2017
516 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $10.9M in total Medicare payments ranks in the 99th percentile of Interventional Cardiology providers nationally.

Medicare payments to this provider grew 1594% 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

📈

Notable: Payments increased 333% in 2017

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$453.90$86.505.25x$367.40$90.5K1.9K1.5K
2015$500.50$113.414.41x$387.09$177.6K2.1K1.2K
2016$376.05$83.594.50x$292.46$260.8K2.7K2.0K
2017$673.43$178.323.78x$495.11$1.1M4.6K4.1K
2018$531.87$139.583.81x$392.29$986.7K4.1K3.5K
2019$570.44$141.034.04x$429.41$1.2M4.6K4.0K
2020$640.28$187.003.42x$453.28$2.3M5.6K5.2K
2021$555.19$187.752.96x$367.44$1.9M4.5K4.1K
2022$601.31$183.783.27x$417.53$1.4M3.7K3.4K
2023$532.77$175.723.03x$357.05$1.5M3.9K3.6K

Top Procedures (20)

78431Multiple nuclear medicine studies of blood flow in heart muscle at rest and with stress, with concurrently acquired ct transmission scan⚠ 3.2x markup
$4.5M
2.4K services$1.9K/svc3.19x markup
A9555Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries
$2.4M
4.0K services$603.84/svc1.31x markup
78492Nuclear medicine study heart muscle at rest and/or stress multiple studies⚠ 3.9x markup
$1.7M
1.6K services$1.0K/svc3.86x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies⚠ 4.6x markup
$431.8K
1.2K services$351.35/svc4.63x markup
78434Nuclear medicine absolute quantification of blood flow in heart muscle⚠ 3.0x markup
$344.7K
2.3K services$146.91/svc3.05x markup
99214Established patient office or other outpatient, visit typically 25 minutes⚠ 3.1x markup
$310.2K
3.8K services$82.14/svc3.14x markup
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report⚠ 4.5x markup
$283.5K
5.2K services$54.54/svc4.54x markup
J2785Injection, regadenoson, 0.1 mg⚠ 4.7x markup
$207.2K
4.6K services$45.49/svc4.72x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$176.6K
3.1K services$57.29/svc2.88x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$153.8K
1.9K services$82.48/svc2.83x markup
A9500Technetium tc-99m sestamibi, diagnostic, per study dose⚠ 5.2x markup
$86.9K
1.1K services$79.48/svc5.18x markup
99222Initial hospital inpatient care, typically 50 minutes per day⚠ 3.1x markup
$60.7K
571 services$106.26/svc3.10x markup
96374Injection of drug or substance into a vein for therapy, diagnosis, or prevention⚠ 3.9x markup
$54.2K
1.3K services$41.37/svc3.93x markup
93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart⚠ 7.1x markup
$39.0K
203 services$192.19/svc7.14x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$27.1K
176 services$153.94/svc2.87x markup
92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin⚠ 4.7x markup
$25.5K
55 services$464.07/svc4.66x markup
99213Established patient office or other outpatient visit, typically 15 minutes⚠ 3.1x markup
$24.1K
459 services$52.58/svc3.07x markup
99203New patient office or other outpatient visit, typically 30 minutes⚠ 3.8x markup
$18.0K
249 services$72.13/svc3.82x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 5.6x markup
$7.5K
641 services$11.67/svc5.56x markup
93454Insertion of catheter for imaging of heart blood vessels or grafts⚠ 7.8x markup
$7.2K
44 services$164.17/svc7.84x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
78431Multiple nuclear medicine studies of blood flow in heart muscle at rest and with stress, with concurrently acquired ct transmission scan2.4K$4.5M$1.9K3.19x
A9555Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries4.0K$2.4M$603.841.31x
78492Nuclear medicine study heart muscle at rest and/or stress multiple studies1.6K$1.7M$1.0K3.86x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies1.2K$431.8K$351.354.63x
78434Nuclear medicine absolute quantification of blood flow in heart muscle2.3K$344.7K$146.913.05x
99214Established patient office or other outpatient, visit typically 25 minutes3.8K$310.2K$82.143.14x
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report5.2K$283.5K$54.544.54x
J2785Injection, regadenoson, 0.1 mg4.6K$207.2K$45.494.72x
99232Subsequent hospital inpatient care, typically 25 minutes per day3.1K$176.6K$57.292.88x
99233Subsequent hospital inpatient care, typically 35 minutes per day1.9K$153.8K$82.482.83x
A9500Technetium tc-99m sestamibi, diagnostic, per study dose1.1K$86.9K$79.485.18x
99222Initial hospital inpatient care, typically 50 minutes per day571$60.7K$106.263.10x
96374Injection of drug or substance into a vein for therapy, diagnosis, or prevention1.3K$54.2K$41.373.93x
93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart203$39.0K$192.197.14x
99223Initial hospital inpatient care, typically 70 minutes per day176$27.1K$153.942.87x
92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin55$25.5K$464.074.66x
99213Established patient office or other outpatient visit, typically 15 minutes459$24.1K$52.583.07x
99203New patient office or other outpatient visit, typically 30 minutes249$18.0K$72.133.82x
93000Routine EKG using at least 12 leads including interpretation and report641$7.5K$11.675.56x
93454Insertion of catheter for imaging of heart blood vessels or grafts44$7.2K$164.177.84x

Markup Analysis

Charge-to-Payment Ratio

3.03x

This provider submits charges 3.03 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.03x means for every $100 Medicare pays, this provider initially charges $303. This is higher than the national average.

Location

Humble, TX

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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