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Methodology•Download Data
  1. Home
  2. Providers
  3. John Gruendel
❤️
MDIndividual

John Gruendel, M.D.

NPI: 1245201227
Carmel, NY
10 years of data
Cardiology
$5.8M
Total Payments
63.6K
Beneficiaries
107.2K
Services
1.7x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$5.8M
Specialty median$193.1K

📋 Key Findings

1Billed $5.8M over 10 years
21.7x markup ratio
398th percentile in Cardiology by payments
✓ No flags detected

🔎 Data Analysis

This provider's $5.8M in total Medicare payments ranks in the 98th 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$85.67$54.281.58x$31.39$517.5K10.6K5.7K
2015$108.50$54.791.98x$53.71$502.1K9.5K5.4K
2016$86.87$54.271.60x$32.60$512.1K9.9K5.8K
2017$90.71$55.071.65x$35.64$550.9K10.4K5.8K
2018$91.73$54.541.68x$37.19$537.5K9.8K5.8K
2019$104.45$61.951.69x$42.50$641.1K11.6K7.2K
2020$92.49$53.941.71x$38.55$561.7K10.2K6.2K
2021$104.37$63.841.63x$40.53$651.9K11.1K6.8K
2022$98.85$59.281.67x$39.57$604.5K11.4K7.0K
2023$88.35$53.971.64x$34.38$734.3K12.7K8.0K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes
$1.9M
20.8K services$88.90/svc1.62x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies
$925.3K
2.4K services$384.43/svc1.79x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function
$899.0K
6.4K services$139.97/svc2.05x markup
A9502Technetium tc-99m tetrofosmin, diagnostic, per study dose
$340.3K
2.3K services$147.72/svc1.48x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$240.2K
1.5K services$165.31/svc1.53x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$191.2K
3.2K services$60.67/svc1.51x markup
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report
$166.7K
3.1K services$54.41/svc2.14x markup
93000Routine EKG using at least 12 leads including interpretation and report
$165.6K
13.1K services$12.62/svc1.90x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$151.0K
2.7K services$55.22/svc1.66x markup
93224Heart rhythm tracing, analysis, and interpretation of 48-hour EKG
$74.7K
1.1K services$64.96/svc2.11x markup
J2785Injection, regadenoson, 0.1 mg
$68.9K
1.5K services$44.79/svc1.35x markup
80061Blood test, lipids (cholesterol and triglycerides)
$68.7K
5.0K services$13.84/svc1.32x markup
80053Blood test, comprehensive group of blood chemicals
$60.0K
5.5K services$10.82/svc1.24x markup
84443Blood test, thyroid stimulating hormone (TSH)
$54.9K
2.9K services$18.95/svc1.17x markup
93280Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report
$48.9K
954 services$51.27/svc1.76x markup
99204New patient office or other outpatient visit, typically 45 minutes
$46.5K
374 services$124.22/svc1.68x markup
85610Blood test, clotting time
$43.4K
9.1K services$4.77/svc1.18x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$36.6K
304 services$120.41/svc1.51x markup
99203New patient office or other outpatient visit, typically 30 minutes
$32.3K
383 services$84.31/svc1.66x markup
84439Thyroxine (thyroid chemical) measurement
$29.8K
2.9K services$10.15/svc1.20x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes20.8K$1.9M$88.901.62x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies2.4K$925.3K$384.431.79x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function6.4K$899.0K$139.972.05x
A9502Technetium tc-99m tetrofosmin, diagnostic, per study dose2.3K$340.3K$147.721.48x
99223Initial hospital inpatient care, typically 70 minutes per day1.5K$240.2K$165.311.53x
99232Subsequent hospital inpatient care, typically 25 minutes per day3.2K$191.2K$60.671.51x
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report3.1K$166.7K$54.412.14x
93000Routine EKG using at least 12 leads including interpretation and report13.1K$165.6K$12.621.90x
99213Established patient office or other outpatient visit, typically 15 minutes2.7K$151.0K$55.221.66x
93224Heart rhythm tracing, analysis, and interpretation of 48-hour EKG1.1K$74.7K$64.962.11x
J2785Injection, regadenoson, 0.1 mg1.5K$68.9K$44.791.35x
80061Blood test, lipids (cholesterol and triglycerides)5.0K$68.7K$13.841.32x
80053Blood test, comprehensive group of blood chemicals5.5K$60.0K$10.821.24x
84443Blood test, thyroid stimulating hormone (TSH)2.9K$54.9K$18.951.17x
93280Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report954$48.9K$51.271.76x
99204New patient office or other outpatient visit, typically 45 minutes374$46.5K$124.221.68x
85610Blood test, clotting time9.1K$43.4K$4.771.18x
99215Established patient office or other outpatient, visit typically 40 minutes304$36.6K$120.411.51x
99203New patient office or other outpatient visit, typically 30 minutes383$32.3K$84.311.66x
84439Thyroxine (thyroid chemical) measurement2.9K$29.8K$10.151.20x

Markup Analysis

Charge-to-Payment Ratio

1.7x

This provider submits charges 1.7 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.7x means for every $100 Medicare pays, this provider initially charges $170. This is lower than the national average.

Location

Carmel, 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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