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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. Matthew Clark
⚕️
MDIndividual

Matthew Clark, M.D.

NPI: 1952417339
Newport Beach, CA
10 years of data
Obstetrics & Gynecology
$329.6K
Total Payments
2.1K
Beneficiaries
5.2K
Services
143.32x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$329.6K
Specialty median$14.0K

📋 Key Findings

1Billed $329.6K over 10 years
2143.32x markup ratio (above median)
3Risk score: 79 — flagged for review
498th percentile in Obstetrics & Gynecology by payments
57 procedures with >3x markup

⚠️ Flagged for Review

Risk Score: 79
  • 70x specialty median spending
  • Markup 143.3x (specialty median: 3.1x)
  • 35x specialty median beneficiaries
  • 61x specialty median services
View Deep Dives →Report Fraud →

Statistical flag only — not an accusation of fraud

🔎 Data Analysis

This provider's $329.6K in total Medicare payments ranks in the 98th percentile of Obstetrics & Gynecology providers nationally.

Their average markup ratio of 143.32x is significantly above the specialty median of 3.1x.

Medicare payments to this provider grew 78% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 79/100. 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$96.27$62.891.53x$33.38$20.9K332167
2015$219.63$63.043.48x$156.59$23.1K366185
2016$221.42$62.993.52x$158.43$20.9K331167
2017$115.00$62.971.83x$52.03$21.2K336170
2018$227.30$62.943.61x$164.36$24.4K388196
2019$129.34$63.022.05x$66.32$25.9K411208
2020$108.38$62.951.72x$45.43$29.2K464234
2021$123.67$63.041.96x$60.63$26.5K421213
2022$224.66$62.983.57x$161.68$28.9K459232
2023$178.99$62.942.84x$116.05$37.1K589297

Top Procedures (10)

99214Established patient office visit, 30-39 min⚠ 3.8x markup
$83.2K
1.3K services$62.96/svc3.80x markup
99213Established patient office visit, 20-29 min
$28.3K
450 services$62.96/svc2.17x markup
99215Established patient office visit, 40-54 min⚠ 5.4x markup
$9.8K
155 services$62.99/svc5.37x markup
99232Subsequent hospital care, moderate complexity
$22.2K
353 services$62.92/svc2.55x markup
99223Initial hospital care, high complexity
$12.4K
198 services$62.85/svc2.46x markup
G0463Hospital outpatient clinic visit⚠ 3.6x markup
$18.3K
291 services$62.92/svc3.60x markup
99212Established patient office visit, 10-19 min⚠ 3.5x markup
$14.6K
232 services$63.11/svc3.52x markup
93000Electrocardiogram, complete⚠ 4.2x markup
$7.1K
113 services$63.24/svc4.21x markup
36415Venipuncture⚠ 3.4x markup
$5.2K
83 services$62.67/svc3.35x markup
96372Therapeutic injection, subcutaneous or IM⚠ 3.4x markup
$13.7K
217 services$62.97/svc3.42x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office visit, 30-39 min1.3K$83.2K$62.963.80x
99213Established patient office visit, 20-29 min450$28.3K$62.962.17x
99215Established patient office visit, 40-54 min155$9.8K$62.995.37x
99232Subsequent hospital care, moderate complexity353$22.2K$62.922.55x
99223Initial hospital care, high complexity198$12.4K$62.852.46x
G0463Hospital outpatient clinic visit291$18.3K$62.923.60x
99212Established patient office visit, 10-19 min232$14.6K$63.113.52x
93000Electrocardiogram, complete113$7.1K$63.244.21x
36415Venipuncture83$5.2K$62.673.35x
96372Therapeutic injection, subcutaneous or IM217$13.7K$62.973.42x

Markup Analysis

Charge-to-Payment Ratio

143.32x

This provider submits charges 143.32 times higher than what Medicare actually pays.

What This Means

A markup ratio of 143.32x means for every $100 Medicare pays, this provider initially charges $14332. This is higher than the national average.

Location

Newport Beach, CA

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