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 ยท OpenFeds ยท OpenSpending

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

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Andrew Chi
๐Ÿฉบ
MDIndividual

Andrew Chi, MD MPH

NPI: 1700861275
Los Gatos, CA
10 years of data
Internal Medicine
$3.5M
Total Payments
18.9K
Beneficiaries
40.9K
Services
1.81x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$3.5M
Specialty median$84.0K

๐Ÿ“‹ Key Findings

1Billed $3.5M over 10 years
21.81x markup ratio
399th percentile in Internal Medicine by payments
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.5M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$150.00$83.241.80x$66.76$287.0K3.6K1.7K
2015$150.00$82.851.81x$67.15$325.2K4.0K1.8K
2016$150.00$84.401.78x$65.60$307.6K3.7K1.7K
2017$155.00$89.791.73x$65.21$378.4K4.6K2.2K
2018$153.37$81.661.88x$71.71$377.8K4.9K2.1K
2019$155.00$86.291.80x$68.71$410.9K4.8K2.2K
2020$155.00$88.691.75x$66.31$369.4K4.4K1.8K
2021$163.41$94.081.74x$69.33$367.4K4.2K2.0K
2022$170.83$92.591.85x$78.24$377.7K3.9K2.1K
2023$170.83$105.241.62x$65.59$323.9K2.8K1.5K

Top Procedures (6)

99308Subsequent nursing facility visit, typically 15 minutes per day
$1.4M
22.5K services$61.48/svc1.99x markup
99306Initial nursing facility visit, typically 45 minutes per day
$1.2M
8.1K services$149.24/svc1.63x markup
99316Nursing facility discharge management, more than 30 minutes
$458.9K
4.8K services$96.55/svc1.71x markup
99309Subsequent nursing facility visit, typically 25 minutes per day
$414.0K
4.8K services$86.24/svc1.83x markup
99310Subsequent nursing facility visit, typically 35 minutes per day
$42.4K
314 services$135.04/svc1.43x markup
99307Subsequent nursing facility visit, typically 10 minutes per day
$16.5K
418 services$39.56/svc2.27x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99308Subsequent nursing facility visit, typically 15 minutes per day22.5K$1.4M$61.481.99x
99306Initial nursing facility visit, typically 45 minutes per day8.1K$1.2M$149.241.63x
99316Nursing facility discharge management, more than 30 minutes4.8K$458.9K$96.551.71x
99309Subsequent nursing facility visit, typically 25 minutes per day4.8K$414.0K$86.241.83x
99310Subsequent nursing facility visit, typically 35 minutes per day314$42.4K$135.041.43x
99307Subsequent nursing facility visit, typically 10 minutes per day418$16.5K$39.562.27x

Markup Analysis

Charge-to-Payment Ratio

1.81x

This provider submits charges 1.81 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.81x means for every $100 Medicare pays, this provider initially charges $181. This is lower than the national average.

Location

Los Gatos, 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.

Andrew Chi (you)
$3.5M
Aaron Jeng, MD, MPH
$45.6M
Richard Park, M.D.โš ๏ธ
$34.7M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Aaron Jeng, MD, MPHSan Gabriel, CA$45.6Mโœ“ Clear
Richard Park, M.D.Granada Hills, CA$34.7Mโš ๏ธ Flagged

Related

Browse
โ† Back to Provider Directory
State
All providers in CA โ†’
Specialty
All Internal Medicine providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

Data Sources

  • โ€ข Centers for Medicare & Medicaid Services (CMS)
  • โ€ข Medicare Provider Utilization and Payment Data (2014-2023)
  • โ€ข 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