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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. Glenn Gandelman
❤️
MDIndividual

Glenn Gandelman, MD

NPI: 1033117437
Greenwich, CT
10 years of data
Cardiology
$7.2M
Total Payments
61.6K
Beneficiaries
98.7K
Services
3.38x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$7.2M
Specialty median$193.1K

📋 Key Findings

1Billed $7.2M over 10 years
23.38x markup ratio (above median)
399th percentile in Cardiology by payments
4Payments surged 92% in 2022
59 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $7.2M in total Medicare payments ranks in the 99th percentile of Cardiology providers nationally.

Medicare payments to this provider grew 441% 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 92% in 2022

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$270.11$76.173.55x$193.94$315.2K5.6K3.7K
2015$316.47$83.603.79x$232.87$418.0K6.3K4.5K
2016$293.60$73.653.99x$219.95$658.2K9.4K6.6K
2017$294.73$93.933.14x$200.80$645.1K8.8K5.7K
2018$302.52$95.523.17x$207.00$599.0K8.0K5.1K
2019$305.55$94.673.23x$210.88$538.6K7.6K4.7K
2020$304.40$94.393.22x$210.01$534.1K7.1K4.8K
2021$341.08$109.003.13x$232.08$623.0K7.0K4.9K
2022$349.45$109.343.20x$240.11$1.2M14.5K9.9K
2023$352.35$109.443.22x$242.91$1.7M24.5K11.7K

Top Procedures (20)

93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 5.0x markup
$1.2M
8.1K services$144.23/svc5.05x markup
99490Chronic care management services at least 20 minutes per calendar month
$966.9K
20.6K services$47.03/svc1.72x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck⚠ 3.8x markup
$510.4K
3.6K services$142.14/svc3.78x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies⚠ 3.6x markup
$451.0K
1.1K services$416.78/svc3.60x markup
93975Ultrasound scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow⚠ 3.0x markup
$357.7K
1.5K services$235.95/svc3.01x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$335.6K
5.4K services$62.16/svc2.04x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$288.2K
3.3K services$86.48/svc2.03x markup
99443Physician telephone patient service, 21-30 minutes of medical discussion
$255.0K
2.3K services$109.25/svc1.59x markup
93978Ultrasound scan of vena cava or groin graft or vessel blood flow⚠ 3.8x markup
$244.9K
1.7K services$141.79/svc3.81x markup
93925Ultrasound study of arteries and arterial grafts of both legs
$218.8K
1.5K services$149.64/svc2.93x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers⚠ 3.8x markup
$208.2K
1.7K services$125.72/svc3.77x markup
99442Physician telephone patient service, 11-20 minutes of medical discussion
$178.7K
2.3K services$78.11/svc1.85x markup
99457Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; first 20 minutes⚠ 6.4x markup
$161.1K
3.7K services$43.27/svc6.39x markup
G2064Comprehensive care management services for a single high-risk disease, e.g., principal care management, at least 30 minutes of physician or other qualified health care professional time per calendar month with the following elements: one complex chronic co
$160.0K
2.2K services$74.04/svc1.35x markup
93923Ultrasound study of arteries of both arms and legs⚠ 4.2x markup
$154.9K
1.5K services$103.63/svc4.23x markup
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days
$146.8K
215 services$682.74/svc1.37x markup
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days⚠ 7.3x markup
$122.5K
2.5K services$48.21/svc7.28x markup
93886Ultrasound scanning of head and neck vessel blood flow (inside the brain)
$113.0K
528 services$213.99/svc2.26x markup
A9500Technetium tc-99m sestamibi, diagnostic, per study dose
$105.8K
1.1K services$97.24/svc2.26x markup
99204New patient office or other outpatient visit, typically 45 minutes
$91.2K
698 services$130.64/svc2.35x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function8.1K$1.2M$144.235.05x
99490Chronic care management services at least 20 minutes per calendar month20.6K$966.9K$47.031.72x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck3.6K$510.4K$142.143.78x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies1.1K$451.0K$416.783.60x
93975Ultrasound scan of abdominal, pelvic, and/or scrotal arterial inflow and venous outflow1.5K$357.7K$235.953.01x
99213Established patient office or other outpatient visit, typically 15 minutes5.4K$335.6K$62.162.04x
99214Established patient office or other outpatient, visit typically 25 minutes3.3K$288.2K$86.482.03x
99443Physician telephone patient service, 21-30 minutes of medical discussion2.3K$255.0K$109.251.59x
93978Ultrasound scan of vena cava or groin graft or vessel blood flow1.7K$244.9K$141.793.81x
93925Ultrasound study of arteries and arterial grafts of both legs1.5K$218.8K$149.642.93x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers1.7K$208.2K$125.723.77x
99442Physician telephone patient service, 11-20 minutes of medical discussion2.3K$178.7K$78.111.85x
99457Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; first 20 minutes3.7K$161.1K$43.276.39x
G2064Comprehensive care management services for a single high-risk disease, e.g., principal care management, at least 30 minutes of physician or other qualified health care professional time per calendar month with the following elements: one complex chronic co2.2K$160.0K$74.041.35x
93923Ultrasound study of arteries of both arms and legs1.5K$154.9K$103.634.23x
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days215$146.8K$682.741.37x
99454Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days2.5K$122.5K$48.217.28x
93886Ultrasound scanning of head and neck vessel blood flow (inside the brain)528$113.0K$213.992.26x
A9500Technetium tc-99m sestamibi, diagnostic, per study dose1.1K$105.8K$97.242.26x
99204New patient office or other outpatient visit, typically 45 minutes698$91.2K$130.642.35x

Markup Analysis

Charge-to-Payment Ratio

3.38x

This provider submits charges 3.38 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.38x means for every $100 Medicare pays, this provider initially charges $338. This is higher than the national average.

Location

Greenwich, CT

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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