OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending
  • OpenImmigration
  • OpenLobby
  • VaccineWatch
  • OpenSubsidies
  • WarCosts
  • OpenPrescriber

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 · OpenImmigration · OpenLobby · VaccineWatch · OpenSubsidies · WarCosts

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

Methodology•Download Data
  1. Home
  2. Providers
  3. Chia Chou,
🩺
MDI

Chia Chou,, MD

NPI: 1972514933
Los Angeles, CA
10 years of data
Internal Medicine
$102.9K
Total Payments
932
Beneficiaries
2.2K
Services
1.99x
Markup Ratio

Peer Comparison

59th
percentile in specialty
This provider$102.9K
Specialty median$84.0K

📋 Key Findings

1Billed $102.9K over 10 years
21.99x markup ratio
3AI fraud probability: 89.4%
🤖

AI Risk Assessment

Rank #332 of 500
89.4%fraud probability
Low riskMediumHigh risk

Risk Factors

Matches confirmed fraud profile

What this means

Our machine learning model analyzed billing patterns, service volumes, markup ratios, and peer comparisons to estimate a 89.4% probability that this provider's billing patterns are consistent with known fraud cases. This is ranked #332 out of 500 highest-risk providers analyzed. This is a statistical prediction, not a determination of fraud.

View all ML-flagged providers →Methodology →

ML model prediction — not an accusation of fraud

🔎 Data Analysis

This provider's $102.9K in total Medicare payments ranks in the 59th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 131% from 2014 to 2023.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Top Procedures (10)

99213Office visit, established patient, low complexity
$22.5K
386 services$58.34/svc2.03x markup
99214Office visit, established patient, moderate complexity
$20.3K
347 services$58.41/svc1.97x markup
99215Office visit, established patient, high complexity
$18.0K
309 services$58.31/svc2.02x markup
99232Subsequent hospital care, moderate complexity
$15.8K
270 services$58.39/svc1.80x markup
99233Subsequent hospital care, high complexity
$13.5K
231 services$58.49/svc1.94x markup
93000Electrocardiogram, complete
$11.3K
193 services$58.34/svc1.84x markup
71046Chest X-ray, 2 views
$9.0K
154 services$58.49/svc2.05x markup
80053Comprehensive metabolic panel
$6.8K
116 services$58.24/svc1.61x markup
85025Complete blood count with differential
$4.5K
77 services$58.49/svc2.26x markup
36415Venipuncture for blood draw
$2.3K
39 services$57.74/svc1.85x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office visit, established patient, low complexity386$22.5K$58.342.03x
99214Office visit, established patient, moderate complexity347$20.3K$58.411.97x
99215Office visit, established patient, high complexity309$18.0K$58.312.02x
99232Subsequent hospital care, moderate complexity270$15.8K$58.391.80x
99233Subsequent hospital care, high complexity231$13.5K$58.491.94x
93000Electrocardiogram, complete193$11.3K$58.341.84x
71046Chest X-ray, 2 views154$9.0K$58.492.05x
80053Comprehensive metabolic panel116$6.8K$58.241.61x
85025Complete blood count with differential77$4.5K$58.492.26x
36415Venipuncture for blood draw39$2.3K$57.741.85x

Markup Analysis

Charge-to-Payment Ratio

1.99x

This provider submits charges 1.99 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.99x means for every $100 Medicare pays, this provider initially charges $199. This is lower than the national average.

Location

Los Angeles, CA

Provider Verification

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

Similar Providers

Other Internal Medicine providers in CA for peer comparison.

Chia Chou, (you)
$102.9K
Aaron Jeng, MD, MPH
$45.6M
Richard Park, M.D.⚠️
$34.7M
Show detailed table ▾
ProviderLocationTotal PaymentsStatus
Aaron Jeng, MD, MPHSan Gabriel, CA$45.6M✓ Clear
Richard Park, M.D.Granada Hills, CA$34.7M⚠️ Flagged

Related

Browse
← Back to Provider Directory
State
All providers in CA →
Specialty
All Internal Medicine 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