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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. Fadi Atassi
❤️
MDIndividual

Fadi Atassi, MD

NPI: 1851553119
Lake Havasu City, AZ
10 years of data
Cardiology
$15.5M
Total Payments
134.4K
Beneficiaries
208.6K
Services
2.66x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$15.5M
Specialty median$193.1K

📋 Key Findings

1Billed $15.5M over 10 years
22.66x markup ratio (above median)
399th percentile in Cardiology by payments
483 services/day — unusually high
52 procedures with >3x markup

This provider averages 83 services per working day

Based on 208.6K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $15.5M in total Medicare payments ranks in the 99th percentile of Cardiology providers nationally.

Averaging 83 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 146% 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$323.40$121.812.65x$201.59$1.0M14.1K9.3K
2015$316.13$115.372.74x$200.76$1.1M16.4K10.9K
2016$322.48$115.472.79x$207.01$1.2M18.4K12.6K
2017$308.05$104.572.95x$203.48$1.3M19.8K14.0K
2018$278.25$107.252.59x$171.00$1.3M19.9K13.9K
2019$398.85$171.752.32x$227.10$1.5M20.8K13.7K
2020$450.97$201.362.24x$249.61$1.9M23.5K14.9K
2021$410.25$161.052.55x$249.20$1.6M21.1K12.1K
2022$441.24$156.482.82x$284.76$1.8M24.2K14.5K
2023$510.27$171.972.97x$338.30$2.5M30.4K18.5K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes
$4.1M
48.6K services$83.61/svc2.60x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 3.3x markup
$1.8M
14.6K services$125.46/svc3.26x markup
33285Insertion of heart rhythm monitor under skin
$1.1M
287 services$3.8K/svc2.33x markup
99204New patient office or other outpatient visit, typically 45 minutes
$645.0K
5.4K services$119.51/svc2.65x markup
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days
$632.0K
1.1K services$598.52/svc1.99x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies
$605.9K
2.3K services$266.67/svc3.00x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$575.1K
10.9K services$52.95/svc2.71x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$537.8K
3.5K services$154.24/svc2.50x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck
$478.5K
3.3K services$145.75/svc2.58x markup
36482Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance
$422.5K
316 services$1.3K/svc2.73x markup
93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart
$297.4K
1.5K services$204.11/svc2.84x 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
$282.7K
7.6K services$37.21/svc1.70x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 3.0x markup
$245.3K
20.7K services$11.87/svc3.03x markup
78492Nuclear medicine study heart muscle at rest and/or stress multiple studies
$221.0K
3.2K services$69.65/svc1.84x markup
99222Initial hospital inpatient care, typically 50 minutes per day
$211.9K
2.0K services$106.00/svc2.47x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$195.3K
2.4K services$80.95/svc2.46x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$185.0K
1.6K services$114.42/svc2.53x markup
92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin
$159.9K
357 services$447.85/svc2.10x markup
A9500Technetium tc-99m sestamibi, diagnostic, per study dose
$148.3K
1.5K services$98.91/svc2.79x markup
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers
$130.9K
904 services$144.84/svc2.62x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes48.6K$4.1M$83.612.60x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function14.6K$1.8M$125.463.26x
33285Insertion of heart rhythm monitor under skin287$1.1M$3.8K2.33x
99204New patient office or other outpatient visit, typically 45 minutes5.4K$645.0K$119.512.65x
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days1.1K$632.0K$598.521.99x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies2.3K$605.9K$266.673.00x
99213Established patient office or other outpatient visit, typically 15 minutes10.9K$575.1K$52.952.71x
99223Initial hospital inpatient care, typically 70 minutes per day3.5K$537.8K$154.242.50x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck3.3K$478.5K$145.752.58x
36482Chemical destruction of incompetent vein of arm or leg, accessed through the skin using imaging guidance316$422.5K$1.3K2.73x
93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart1.5K$297.4K$204.112.84x
99457Remote physiologic monitoring treatment management services, health care professional time in a calendar month requiring interactive communication with the patient/caregiver; first 20 minutes7.6K$282.7K$37.211.70x
93000Routine EKG using at least 12 leads including interpretation and report20.7K$245.3K$11.873.03x
78492Nuclear medicine study heart muscle at rest and/or stress multiple studies3.2K$221.0K$69.651.84x
99222Initial hospital inpatient care, typically 50 minutes per day2.0K$211.9K$106.002.47x
99233Subsequent hospital inpatient care, typically 35 minutes per day2.4K$195.3K$80.952.46x
99215Established patient office or other outpatient, visit typically 40 minutes1.6K$185.0K$114.422.53x
92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin357$159.9K$447.852.10x
A9500Technetium tc-99m sestamibi, diagnostic, per study dose1.5K$148.3K$98.912.79x
93970Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers904$130.9K$144.842.62x

Markup Analysis

Charge-to-Payment Ratio

2.66x

This provider submits charges 2.66 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.66x means for every $100 Medicare pays, this provider initially charges $266. This is higher than the national average.

Location

Lake Havasu City, AZ

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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