OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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.
Sister Sites: OpenMedicaid · OpenFeds · OpenSpending

© 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

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

David Kassop, M.D.

NPI: 1891992400
Fort Liberty, NC
4 years of data
Cardiology
$4.1M
Total Payments
10.6K
Beneficiaries
11.2K
Services
1.82x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$4.1M
Specialty median$193.1K

📋 Key Findings

1Billed $4.1M over 4 years
21.82x markup ratio
398th percentile in Cardiology by payments
4Payments surged 501% in 2022
54 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $4.1M in total Medicare payments ranks in the 98th percentile of Cardiology providers nationally.

Medicare payments to this provider grew 1597% from 2020 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 501% 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
2020$828.76$495.911.67x$332.85$127.0K888728
2021$724.12$418.531.73x$305.59$264.7K1.2K1.1K
2022$728.99$397.481.83x$331.51$1.6M4.0K3.9K
2023$868.82$451.091.93x$417.73$2.2M5.1K4.9K

Top Procedures (20)

78492Nuclear medicine studies of blood flow in heart muscle at rest and with stress
$2.0M
1.6K services$1.2K/svc1.66x markup
A9555Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries
$1.1M
1.6K services$651.99/svc1.36x markup
33285Insertion of heart rhythm monitor under skin
$574.1K
145 services$4.0K/svc1.64x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 4.4x markup
$261.2K
1.9K services$138.77/svc4.38x markup
93015Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician⚠ 4.3x markup
$87.9K
1.6K services$53.96/svc4.26x markup
J2785Injection, regadenoson, 0.1 mg
$72.7K
1.6K services$44.71/svc1.51x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$36.7K
426 services$86.27/svc1.74x markup
93880Ultrasound of both sides of head and neck blood flow
$28.9K
195 services$148.07/svc2.36x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$16.5K
106 services$155.82/svc2.00x markup
93925Ultrasound of leg arteries or artery grafts
$13.4K
68 services$197.49/svc2.03x markup
93010Routine electrocardiogram (ekg) using at least 12 leads with interpretation and report
$9.5K
1.4K services$6.75/svc2.96x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day
$9.3K
160 services$58.00/svc1.72x markup
93970Ultrasound study of arm or leg veins with compression and maneuvers
$3.6K
24 services$149.32/svc2.60x markup
93312Insertion of probe in esophagus for heart ultrasound examination including interpretation and report
$3.1K
35 services$88.46/svc2.77x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$2.4K
32 services$73.72/svc1.98x markup
93978Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts
$1.9K
14 services$136.80/svc2.19x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$1.9K
20 services$92.59/svc2.27x markup
93356Heart muscle strain imaging
$1.7K
57 services$29.65/svc2.87x markup
92960External shock to heart to regulate heart beat⚠ 3.0x markup
$1.1K
12 services$89.79/svc3.01x markup
93320Doppler ultrasound study of heart blood flow, valves, and chambers⚠ 12.2x markup
$516.55
35 services$14.76/svc12.20x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
78492Nuclear medicine studies of blood flow in heart muscle at rest and with stress1.6K$2.0M$1.2K1.66x
A9555Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries1.6K$1.1M$651.991.36x
33285Insertion of heart rhythm monitor under skin145$574.1K$4.0K1.64x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function1.9K$261.2K$138.774.38x
93015Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician1.6K$87.9K$53.964.26x
J2785Injection, regadenoson, 0.1 mg1.6K$72.7K$44.711.51x
99233Subsequent hospital inpatient care, typically 35 minutes per day426$36.7K$86.271.74x
93880Ultrasound of both sides of head and neck blood flow195$28.9K$148.072.36x
99223Initial hospital inpatient care, typically 70 minutes per day106$16.5K$155.822.00x
93925Ultrasound of leg arteries or artery grafts68$13.4K$197.492.03x
93010Routine electrocardiogram (ekg) using at least 12 leads with interpretation and report1.4K$9.5K$6.752.96x
99232Subsequent hospital inpatient care, typically 25 minutes per day160$9.3K$58.001.72x
93970Ultrasound study of arm or leg veins with compression and maneuvers24$3.6K$149.322.60x
93312Insertion of probe in esophagus for heart ultrasound examination including interpretation and report35$3.1K$88.462.77x
99214Established patient office or other outpatient, visit typically 25 minutes32$2.4K$73.721.98x
93978Complete ultrasound of aorta, vena cava, groin vessels or bypass grafts14$1.9K$136.802.19x
99215Established patient office or other outpatient, visit typically 40 minutes20$1.9K$92.592.27x
93356Heart muscle strain imaging57$1.7K$29.652.87x
92960External shock to heart to regulate heart beat12$1.1K$89.793.01x
93320Doppler ultrasound study of heart blood flow, valves, and chambers35$516.55$14.7612.20x

Markup Analysis

Charge-to-Payment Ratio

1.82x

This provider submits charges 1.82 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.82x means for every $100 Medicare pays, this provider initially charges $182. This is lower than the national average.

Location

Fort Liberty, NC

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Related

Browse
← Back to Provider Directory
State
All providers in NC →
Specialty
All Cardiology providers →
Tool
Compare this provider →
Analysis
Fraud Watchlist →
Search
Search all providers →

Share This Provider

Share this provider's Medicare payment information

Share:

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.

Believe this data is inaccurate? Dispute this data