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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.
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Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. Eric Chuang
๐Ÿฉบ
MDIndividual

Eric Chuang, M.D.

NPI: 1124140207
Chicago, IL
10 years of data
Internal Medicine
$4.9M
Total Payments
22.3K
Beneficiaries
57.4K
Services
2.66x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$4.9M
Specialty median$84.0K

๐Ÿ“‹ Key Findings

1Billed $4.9M over 10 years
22.66x markup ratio (above median)
399th percentile in Internal Medicine by payments
4Payments surged 156% in 2021
54 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $4.9M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.

Medicare payments to this provider grew 501% 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

๐Ÿ“ˆ

Notable: Payments increased 156% in 2021

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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$236.87$102.782.30x$134.09$245.2K2.5K1.6K
2015$233.33$101.572.30x$131.76$223.9K2.4K1.5K
2016$235.00$96.872.43x$138.13$212.5K2.2K1.4K
2017$228.14$91.962.48x$136.18$278.0K3.0K1.7K
2018$225.20$93.932.40x$131.27$288.1K3.0K1.9K
2019$231.95$100.542.31x$131.41$266.5K2.8K1.7K
2020$243.75$98.372.48x$145.38$307.8K3.5K1.5K
2021$231.11$93.312.48x$137.80$787.1K9.6K2.4K
2022$236.57$88.372.68x$148.20$849.6K10.9K3.7K
2023$209.34$87.632.39x$121.71$1.5M17.5K4.9K

Top Procedures (20)

99309Subsequent nursing facility visit, typically 25 minutes per day
$1.7M
22.1K services$77.95/svc2.73x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$627.6K
7.1K services$88.99/svc2.96x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$558.8K
3.5K services$160.20/svc2.15x markup
99232Subsequent hospital inpatient care, typically 25 minutes per dayโš  3.4x markup
$367.1K
6.1K services$60.37/svc3.41x markup
99308Subsequent nursing facility visit, typically 15 minutes per day
$326.1K
5.7K services$57.45/svc2.88x markup
99306Initial nursing facility visit, typically 45 minutes per day
$307.9K
2.2K services$140.73/svc2.03x markup
99239Hospital discharge day management, more than 30 minutes
$276.1K
3.1K services$88.85/svc2.86x markup
99310Subsequent nursing facility visit, typically 35 minutes per day
$248.5K
2.2K services$112.50/svc2.19x markup
99236Hospital observation or inpatient care high severity, 55 minutes per day
$82.3K
469 services$175.51/svc2.08x markup
99220Hospital observation care typically 70 minutes per day
$65.3K
432 services$151.17/svc1.76x markup
99291Critical care delivery critically ill or injured patient, first 30-74 minutes
$57.3K
313 services$183.21/svc2.17x markup
99316Nursing facility discharge management, more than 30 minutes
$36.3K
392 services$92.58/svc2.40x markup
99356Prolonged inpatient or observation hospital service first hour
$36.1K
474 services$76.25/svc2.73x markup
G0181Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c
$32.1K
370 services$86.75/svc2.32x markup
99183Management and supervision of oxygen chamber therapy per session
$27.5K
291 services$94.44/svc2.65x markup
99305Initial nursing facility visit, typically 35 minutes per day
$25.9K
251 services$103.10/svc1.70x markup
99315Nursing facility discharge day management, 30 minutes or lessโš  3.3x markup
$18.4K
299 services$61.56/svc3.25x markup
99217Hospital observation care discharge
$17.4K
290 services$59.99/svc2.13x markup
99231Subsequent hospital inpatient care, typically 15 minutes per dayโš  3.8x markup
$16.8K
503 services$33.40/svc3.82x markup
99307Subsequent nursing facility visit, typically 10 minutes per dayโš  4.7x markup
$14.3K
427 services$33.56/svc4.73x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99309Subsequent nursing facility visit, typically 25 minutes per day22.1K$1.7M$77.952.73x
99233Subsequent hospital inpatient care, typically 35 minutes per day7.1K$627.6K$88.992.96x
99223Initial hospital inpatient care, typically 70 minutes per day3.5K$558.8K$160.202.15x
99232Subsequent hospital inpatient care, typically 25 minutes per day6.1K$367.1K$60.373.41x
99308Subsequent nursing facility visit, typically 15 minutes per day5.7K$326.1K$57.452.88x
99306Initial nursing facility visit, typically 45 minutes per day2.2K$307.9K$140.732.03x
99239Hospital discharge day management, more than 30 minutes3.1K$276.1K$88.852.86x
99310Subsequent nursing facility visit, typically 35 minutes per day2.2K$248.5K$112.502.19x
99236Hospital observation or inpatient care high severity, 55 minutes per day469$82.3K$175.512.08x
99220Hospital observation care typically 70 minutes per day432$65.3K$151.171.76x
99291Critical care delivery critically ill or injured patient, first 30-74 minutes313$57.3K$183.212.17x
99316Nursing facility discharge management, more than 30 minutes392$36.3K$92.582.40x
99356Prolonged inpatient or observation hospital service first hour474$36.1K$76.252.73x
G0181Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c370$32.1K$86.752.32x
99183Management and supervision of oxygen chamber therapy per session291$27.5K$94.442.65x
99305Initial nursing facility visit, typically 35 minutes per day251$25.9K$103.101.70x
99315Nursing facility discharge day management, 30 minutes or less299$18.4K$61.563.25x
99217Hospital observation care discharge290$17.4K$59.992.13x
99231Subsequent hospital inpatient care, typically 15 minutes per day503$16.8K$33.403.82x
99307Subsequent nursing facility visit, typically 10 minutes per day427$14.3K$33.564.73x

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

Chicago, IL

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

  • 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.

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