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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. Homayoun Siman
๐Ÿฉบ
MDI

Homayoun Siman, MD

NPI: 1477971125
Palm Desert, CA
10 years of data
General Practice
$381.4K
Total Payments
4.8K
Beneficiaries
11.2K
Services
17.71x
Markup Ratio

Peer Comparison

92th
percentile in specialty
This provider$381.4K
Specialty median$58.9K

๐Ÿ“‹ Key Findings

1Billed $381.4K over 10 years
217.71x markup ratio (above median)
3Risk score: 68 โ€” flagged for review
492th percentile in General Practice by payments
510 procedures with >3x markup

โš ๏ธ Flagged for Review

Risk Score: 68
  • 21x specialty median spending
  • Markup 17.7x (specialty median: 2.6x)
  • 32x specialty median beneficiaries
  • 40x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

๐Ÿ”Ž Data Analysis

This provider's $381.4K in total Medicare payments ranks in the 92th percentile of General Practice providers nationally.

Their average markup ratio of 17.71x is significantly above the specialty median of 2.6x.

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

This provider has been statistically flagged with a risk score of 68/100. 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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$600.90$33.9317.71x$566.97$26.7K787346
2015$601.25$33.9517.71x$567.30$29.0K854376
2016$600.72$33.9217.71x$566.80$31.3K922406
2017$601.08$33.9417.71x$567.14$33.6K989436
2018$600.72$33.9217.71x$566.80$35.9K1.1K465
2019$601.08$33.9417.71x$567.14$38.1K1.1K495
2020$600.72$33.9217.71x$566.80$40.4K1.2K525
2021$600.90$33.9317.71x$566.97$42.7K1.3K554
2022$600.72$33.9217.71x$566.80$45.0K1.3K584
2023$600.90$33.9317.71x$566.97$47.3K1.4K614

Top Procedures (10)

99213Office/outpatient visit, est patient, lowโš  19.6x markup
$130.2K
3.8K services$33.92/svc19.55x markup
99214Office/outpatient visit, est patient, moderateโš  20.3x markup
$65.1K
1.9K services$33.93/svc20.31x markup
99215Office/outpatient visit, est patient, highโš  17.4x markup
$43.4K
1.3K services$33.91/svc17.39x markup
99223Initial hospital care, high complexityโš  19.1x markup
$32.6K
960 services$33.91/svc19.05x markup
99232Subsequent hospital care, moderateโš  18.3x markup
$26.0K
768 services$33.91/svc18.30x markup
93000Electrocardiogram, completeโš  21.2x markup
$21.7K
640 services$33.91/svc21.16x markup
71046Chest X-ray, 2 viewsโš  15.7x markup
$18.6K
548 services$33.95/svc15.73x markup
80053Comprehensive metabolic panelโš  15.3x markup
$16.3K
480 services$33.91/svc15.26x markup
85025Complete blood count (CBC)โš  18.2x markup
$14.5K
427 services$33.89/svc18.19x markup
36415Venipunctureโš  18.0x markup
$13.0K
384 services$33.91/svc18.03x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Office/outpatient visit, est patient, low3.8K$130.2K$33.9219.55x
99214Office/outpatient visit, est patient, moderate1.9K$65.1K$33.9320.31x
99215Office/outpatient visit, est patient, high1.3K$43.4K$33.9117.39x
99223Initial hospital care, high complexity960$32.6K$33.9119.05x
99232Subsequent hospital care, moderate768$26.0K$33.9118.30x
93000Electrocardiogram, complete640$21.7K$33.9121.16x
71046Chest X-ray, 2 views548$18.6K$33.9515.73x
80053Comprehensive metabolic panel480$16.3K$33.9115.26x
85025Complete blood count (CBC)427$14.5K$33.8918.19x
36415Venipuncture384$13.0K$33.9118.03x

Markup Analysis

Charge-to-Payment Ratio

17.71x

This provider submits charges 17.71 times higher than what Medicare actually pays.

What This Means

A markup ratio of 17.71x means for every $100 Medicare pays, this provider initially charges $1771. This is higher than the national average.

Location

Palm Desert, 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 General Practice providers in CA for peer comparison.

Homayoun Siman (you)
$381.4K
Jack Azad, M.D.โš ๏ธ
$34.5M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Jack Azad, M.D.Los Angeles, CA$34.5Mโš ๏ธ Flagged

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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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