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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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Methodology•Download Data
  1. Home
  2. Providers
  3. Carmen Cheng
⚕️
PAI

Carmen Cheng, PA-C

NPI: 1508322587
Horsham, PA
10 years of data
Physician Assistant
$370.2K
Total Payments
1.5K
Beneficiaries
6.2K
Services
46.74x
Markup Ratio

Peer Comparison

97th
percentile in specialty
This provider$370.2K
Specialty median$22.5K

📋 Key Findings

1Billed $370.2K over 10 years
246.74x markup ratio (above median)
3Risk score: 67 — flagged for review
497th percentile in Physician Assistant by payments
510 procedures with >3x markup

⚠️ Flagged for Review

Risk Score: 67
  • 31x specialty median spending
  • Markup 46.7x (specialty median: 4.5x)
  • 10x specialty median beneficiaries
  • 31x specialty median services
View Deep Dives →Report Fraud →

Statistical flag only — not an accusation of fraud

🔎 Data Analysis

This provider's $370.2K in total Medicare payments ranks in the 97th percentile of Physician Assistant providers nationally.

Their average markup ratio of 46.74x is significantly above the specialty median of 4.8x.

Medicare payments to this provider grew 77% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 67/100. Statistical flags are not accusations of fraud.

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$2.8K$59.4346.74x$2.7K$25.9K436111
2015$2.8K$59.4846.74x$2.7K$28.1K473120
2016$2.8K$59.5246.74x$2.7K$30.4K510129
2017$2.8K$59.4446.74x$2.7K$32.6K548139
2018$2.8K$59.4846.74x$2.7K$34.8K585148
2019$2.8K$59.5146.74x$2.7K$37.0K622158
2020$2.8K$59.4546.74x$2.7K$39.2K660167
2021$2.8K$59.4846.74x$2.7K$41.5K697177
2022$2.8K$59.5146.74x$2.7K$43.7K734186
2023$2.8K$59.4646.74x$2.7K$45.9K772196

Top Procedures (10)

99213Office/outpatient visit, est patient, low⚠ 51.2x markup
$126.4K
2.1K services$59.47/svc51.20x markup
99214Office/outpatient visit, est patient, moderate⚠ 42.7x markup
$63.2K
1.1K services$59.50/svc42.69x markup
99215Office/outpatient visit, est patient, high⚠ 50.1x markup
$42.1K
708 services$59.50/svc50.10x markup
99223Initial hospital care, high complexity⚠ 41.3x markup
$31.6K
531 services$59.50/svc41.26x markup
99232Subsequent hospital care, moderate⚠ 42.9x markup
$25.3K
425 services$59.47/svc42.93x markup
93000Electrocardiogram, complete⚠ 44.0x markup
$21.1K
354 services$59.50/svc43.98x markup
71046Chest X-ray, 2 views⚠ 52.5x markup
$18.1K
304 services$59.39/svc52.54x markup
80053Comprehensive metabolic panel⚠ 50.5x markup
$15.8K
266 services$59.39/svc50.52x markup
85025Complete blood count (CBC)⚠ 51.6x markup
$14.0K
236 services$59.50/svc51.62x markup
36415Venipuncture⚠ 39.8x markup
$12.6K
212 services$59.61/svc39.78x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office/outpatient visit, est patient, low2.1K$126.4K$59.4751.20x
99214Office/outpatient visit, est patient, moderate1.1K$63.2K$59.5042.69x
99215Office/outpatient visit, est patient, high708$42.1K$59.5050.10x
99223Initial hospital care, high complexity531$31.6K$59.5041.26x
99232Subsequent hospital care, moderate425$25.3K$59.4742.93x
93000Electrocardiogram, complete354$21.1K$59.5043.98x
71046Chest X-ray, 2 views304$18.1K$59.3952.54x
80053Comprehensive metabolic panel266$15.8K$59.3950.52x
85025Complete blood count (CBC)236$14.0K$59.5051.62x
36415Venipuncture212$12.6K$59.6139.78x

Markup Analysis

Charge-to-Payment Ratio

46.74x

This provider submits charges 46.74 times higher than what Medicare actually pays.

What This Means

A markup ratio of 46.74x means for every $100 Medicare pays, this provider initially charges $4674. This is higher than the national average.

Location

Horsham, PA

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

  • • 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