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. Wing Yi Liu
❤️
MDIndividual

Wing Yi Liu, M.D.

NPI: 1609907948
New Smyrna Beach, FL
10 years of data
Cardiology
$10.8M
Total Payments
93.9K
Beneficiaries
148.4K
Services
3.63x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$10.8M
Specialty median$193.1K

📋 Key Findings

1Billed $10.8M over 10 years
23.63x markup ratio (above median)
399th percentile in Cardiology by payments
459 services/day — unusually high
518 procedures with >3x markup

This provider averages 59 services per working day

Based on 148.4K total services over 10 years (250 working days/year). Learn about impossible service volumes →

🔎 Data Analysis

This provider's $10.8M in total Medicare payments ranks in the 99th percentile of Cardiology providers nationally.

Averaging 59 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 115% 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$205.20$82.392.49x$122.81$717.8K10.9K6.5K
2015$230.83$97.842.36x$132.99$772.9K11.0K6.7K
2016$393.85$99.853.94x$294.00$763.7K11.4K7.0K
2017$416.16$91.494.55x$324.67$824.7K12.6K7.6K
2018$414.04$97.414.25x$316.63$1.0M13.5K8.8K
2019$456.12$102.974.43x$353.15$1.2M17.1K10.8K
2020$435.50$101.194.30x$334.31$1.2M17.1K10.3K
2021$356.60$98.483.62x$258.12$1.4M18.7K11.9K
2022$337.17$92.323.65x$244.85$1.3M16.7K11.2K
2023$360.18$95.563.77x$264.62$1.5M19.4K13.0K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes⚠ 3.6x markup
$2.2M
26.6K services$83.90/svc3.65x markup
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function⚠ 3.8x markup
$1.6M
13.5K services$121.36/svc3.78x markup
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies⚠ 3.3x markup
$1.1M
3.5K services$304.82/svc3.31x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day⚠ 3.6x markup
$917.0K
10.8K services$84.79/svc3.61x markup
99223Initial hospital inpatient care, typically 70 minutes per day⚠ 3.9x markup
$514.1K
3.3K services$155.84/svc3.85x markup
99232Subsequent hospital inpatient care, typically 25 minutes per day⚠ 3.0x markup
$452.0K
7.9K services$57.01/svc3.02x markup
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck⚠ 3.9x markup
$379.1K
2.6K services$145.53/svc3.90x markup
93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart⚠ 4.0x markup
$376.9K
1.8K services$215.00/svc4.00x markup
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days⚠ 3.4x markup
$355.0K
611 services$580.98/svc3.41x markup
99204New patient office or other outpatient visit, typically 45 minutes⚠ 3.9x markup
$297.3K
2.5K services$118.17/svc3.94x markup
92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin⚠ 3.5x markup
$289.2K
613 services$471.73/svc3.46x markup
A9500Technetium tc-99m sestamibi, diagnostic, per study dose⚠ 4.1x markup
$260.1K
2.8K services$91.52/svc4.13x markup
99222Initial hospital inpatient care, typically 50 minutes per day
$215.6K
2.0K services$105.18/svc2.97x markup
93888Ultrasound limited scanning of head and neck blood flow (inside the brain)
$200.1K
2.0K services$102.23/svc1.97x markup
99215Established patient office or other outpatient, visit typically 40 minutes⚠ 3.5x markup
$187.0K
1.6K services$116.64/svc3.55x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 4.7x markup
$162.2K
13.8K services$11.76/svc4.68x markup
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report⚠ 4.5x markup
$142.8K
2.9K services$49.46/svc4.55x markup
99211Established patient office or other outpatient visit, typically 5 minutes⚠ 3.6x markup
$108.1K
7.1K services$15.26/svc3.56x markup
J2785Injection, regadenoson, 0.1 mg⚠ 3.4x markup
$90.2K
2.0K services$45.23/svc3.43x markup
93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report⚠ 4.6x markup
$74.0K
11.2K services$6.60/svc4.62x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes26.6K$2.2M$83.903.65x
93306Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function13.5K$1.6M$121.363.78x
78452Nuclear medicine study of vessels of heart using drugs or exercise multiple studies3.5K$1.1M$304.823.31x
99233Subsequent hospital inpatient care, typically 35 minutes per day10.8K$917.0K$84.793.61x
99223Initial hospital inpatient care, typically 70 minutes per day3.3K$514.1K$155.843.85x
99232Subsequent hospital inpatient care, typically 25 minutes per day7.9K$452.0K$57.013.02x
93880Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck2.6K$379.1K$145.533.90x
93458Insertion of catheter in left heart for imaging of blood vessels or grafts and left lower heart1.8K$376.9K$215.004.00x
93229Heart rhythm tracing, computer analysis, physician prescribed transmission of patient-triggered events greater than 24-hour EKG up to 30 days611$355.0K$580.983.41x
99204New patient office or other outpatient visit, typically 45 minutes2.5K$297.3K$118.173.94x
92928Catheter insertion of stents in major coronary artery or branch, accessed through the skin613$289.2K$471.733.46x
A9500Technetium tc-99m sestamibi, diagnostic, per study dose2.8K$260.1K$91.524.13x
99222Initial hospital inpatient care, typically 50 minutes per day2.0K$215.6K$105.182.97x
93888Ultrasound limited scanning of head and neck blood flow (inside the brain)2.0K$200.1K$102.231.97x
99215Established patient office or other outpatient, visit typically 40 minutes1.6K$187.0K$116.643.55x
93000Routine EKG using at least 12 leads including interpretation and report13.8K$162.2K$11.764.68x
93015Exercise or drug-induced heart and blood vessel stress test with EKG monitoring, physician supervision, interpretation, and report2.9K$142.8K$49.464.55x
99211Established patient office or other outpatient visit, typically 5 minutes7.1K$108.1K$15.263.56x
J2785Injection, regadenoson, 0.1 mg2.0K$90.2K$45.233.43x
93010Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report11.2K$74.0K$6.604.62x

Markup Analysis

Charge-to-Payment Ratio

3.63x

This provider submits charges 3.63 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.63x means for every $100 Medicare pays, this provider initially charges $363. This is higher than the national average.

Location

New Smyrna Beach, FL

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 FL →
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