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Methodology•Download Data
  1. Home
  2. Providers
  3. David Gidseg
❤️
MDIndividual

David Gidseg, M.D.

NPI: 1225299712
Smithtown, NY
10 years of data
Cardiology
$9.2M
Total Payments
75.8K
Beneficiaries
93.9K
Services
2.86x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$9.2M
Specialty median$193.1K

📋 Key Findings

1Billed $9.2M over 10 years
22.86x markup ratio (above median)
399th percentile in Cardiology by payments
47 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $9.2M in total Medicare payments ranks in the 99th percentile of Cardiology 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$180.36$78.162.31x$102.20$813.8K9.0K7.3K
2015$180.23$80.502.24x$99.73$845.8K9.0K7.2K
2016$197.65$92.282.14x$105.37$1.1M10.4K8.3K
2017$182.29$83.122.19x$99.17$991.8K10.0K8.1K
2018$205.97$93.452.20x$112.52$858.1K9.0K7.4K
2019$262.14$92.362.84x$169.78$889.1K9.8K7.9K
2020$340.85$88.923.83x$251.93$818.0K8.8K7.3K
2021$363.59$99.173.67x$264.42$896.2K8.9K7.3K
2022$324.51$86.813.74x$237.70$1.0M10.0K8.1K
2023$381.80$108.483.52x$273.32$1.0M9.1K6.9K

Top Procedures (20)

78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies
$2.4M
5.5K services$445.00/svc2.46x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 3.6x markup
$1.8M
11.1K services$161.13/svc3.60x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$1.4M
14.5K services$99.84/svc2.97x markup
A9502Technetium tc-99m tetrofosmin, diagnostic, per study dose
$685.2K
5.5K services$125.61/svc1.93x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$508.4K
5.6K services$90.84/svc1.78x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$414.2K
6.0K services$68.85/svc2.90x markup
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report⚠ 3.8x markup
$330.2K
5.6K services$58.56/svc3.77x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 3.9x markup
$234.2K
16.4K services$14.31/svc3.86x markup
99204New patient office or other outpatient visit, typically 45 minutes
$198.5K
1.4K services$139.76/svc2.79x markup
93224Heart rhythm tracing, analysis, and interpretation of 48-hour EKG⚠ 4.3x markup
$189.4K
2.7K services$70.74/svc4.30x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$154.2K
1.1K services$139.91/svc2.70x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$143.9K
808 services$178.11/svc1.62x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$139.6K
2.1K services$65.24/svc2.69x markup
93351Ultrasound examination and continuous monitoring of the heart performed during rest, exercise, and/or drug-induced stress with interpretation and report
$124.1K
554 services$224.08/svc2.95x markup
99222Initial hospital inpatient care, typically 50 minutes per day⚠ 3.1x markup
$77.8K
620 services$125.51/svc3.07x markup
99284Emergency department visit, problem of high severity
$58.3K
577 services$100.98/svc1.73x markup
J2785Injection, regadenoson, 0.1 mg
$57.4K
1.3K services$44.36/svc2.60x markup
93299Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days
$23.9K
126 services$189.31/svc1.52x markup
93320Doppler ultrasound study of heart blood flow, valves, and chambers⚠ 4.0x markup
$23.0K
482 services$47.74/svc3.96x markup
J0280Injection, aminophyllin, up to 250 mg⚠ 3.3x markup
$20.3K
3.3K services$6.14/svc3.27x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies5.5K$2.4M$445.002.46x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function11.1K$1.8M$161.133.60x
99214Established patient office or other outpatient, visit typically 25 minutes14.5K$1.4M$99.842.97x
A9502Technetium tc-99m tetrofosmin, diagnostic, per study dose5.5K$685.2K$125.611.93x
99233Subsequent hospital inpatient care, typically 35 minutes per day5.6K$508.4K$90.841.78x
99213Established patient office or other outpatient visit, typically 15 minutes6.0K$414.2K$68.852.90x
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report5.6K$330.2K$58.563.77x
93000Routine EKG using at least 12 leads including interpretation and report16.4K$234.2K$14.313.86x
99204New patient office or other outpatient visit, typically 45 minutes1.4K$198.5K$139.762.79x
93224Heart rhythm tracing, analysis, and interpretation of 48-hour EKG2.7K$189.4K$70.744.30x
99215Established patient office or other outpatient, visit typically 40 minutes1.1K$154.2K$139.912.70x
99223Initial hospital inpatient care, typically 70 minutes per day808$143.9K$178.111.62x
99232Subsequent hospital inpatient care, typically 25 minutes per day2.1K$139.6K$65.242.69x
93351Ultrasound examination and continuous monitoring of the heart performed during rest, exercise, and/or drug-induced stress with interpretation and report554$124.1K$224.082.95x
99222Initial hospital inpatient care, typically 50 minutes per day620$77.8K$125.513.07x
99284Emergency department visit, problem of high severity577$58.3K$100.981.73x
J2785Injection, regadenoson, 0.1 mg1.3K$57.4K$44.362.60x
93299Remote evaluations of implantable heart recorder system including transmissions, technician review, support, and distribution of results up to 30 days126$23.9K$189.311.52x
93320Doppler ultrasound study of heart blood flow, valves, and chambers482$23.0K$47.743.96x
J0280Injection, aminophyllin, up to 250 mg3.3K$20.3K$6.143.27x

Markup Analysis

Charge-to-Payment Ratio

2.86x

This provider submits charges 2.86 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.86x means for every $100 Medicare pays, this provider initially charges $286. This is higher than the national average.

Location

Smithtown, NY

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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