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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. Martin Hopp
⚕️
MDIndividual

Martin Hopp, MD PHD

NPI: 1336284561
Los Angeles, CA
10 years of data
Otolaryngology
$7.0M
Total Payments
18.7K
Beneficiaries
27.0K
Services
1.87x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$7.0M
Specialty median$80.5K

📋 Key Findings

1Billed $7.0M over 10 years
21.87x markup ratio
399th percentile in Otolaryngology by payments
4Payments surged 200% in 2018
54 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $7.0M in total Medicare payments ranks in the 99th percentile of Otolaryngology providers nationally.

Medicare payments to this provider grew 263% 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

📈

Notable: Payments increased 200% in 2018

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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$259.82$86.393.01x$173.43$288.3K2.4K1.5K
2015$286.64$94.963.02x$191.68$258.3K2.4K1.4K
2016$274.67$91.443.00x$183.23$256.9K2.5K1.6K
2017$284.26$94.403.01x$189.86$239.2K2.6K1.7K
2018$585.57$327.831.79x$257.74$717.8K3.2K2.4K
2019$600.36$332.541.81x$267.82$821.4K3.4K2.4K
2020$648.22$379.411.71x$268.81$1.2M2.9K2.2K
2021$677.94$426.251.59x$251.69$1.1M2.2K1.6K
2022$710.19$423.361.68x$286.83$1.1M2.6K1.8K
2023$634.41$393.691.61x$240.72$1.0M2.8K2.0K

Top Procedures (20)

31298Dilation of nasal sinus using an endoscope
$3.3M
653 services$5.0K/svc1.35x markup
31295Dilation of nasal sinus using an endoscope
$1.1M
652 services$1.8K/svc1.28x markup
31237Biopsy or removal of nasal polyp or tissue using an endoscope⚠ 4.0x markup
$428.3K
1.4K services$298.24/svc4.05x markup
31231Diagnostic examination of nasal passages using an endoscope
$361.2K
2.3K services$159.91/svc2.41x markup
31525Diagnostic examination of voice box using an endoscope
$344.5K
1.8K services$195.62/svc2.30x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$301.9K
2.9K services$102.96/svc2.04x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$264.9K
4.5K services$58.32/svc2.57x markup
99204New patient office or other outpatient visit, typically 45 minutes
$172.3K
1.3K services$134.83/svc2.54x markup
99203New patient office or other outpatient visit, typically 30 minutes⚠ 3.4x markup
$90.1K
1.1K services$81.53/svc3.37x markup
31579Examination to assess movement of vocal cord flaps using an endoscope
$89.7K
528 services$169.84/svc2.64x markup
31575Diagnostic examination of voice box using flexible endoscope
$87.1K
928 services$93.83/svc2.72x markup
30117Removal or destruction of growth in nose
$79.2K
114 services$694.65/svc2.88x markup
92520Functional assessment of the voice box
$72.3K
1.0K services$69.10/svc2.17x markup
69210Removal of impact ear wax, one ear
$68.6K
2.0K services$34.06/svc2.93x markup
70486CT scan of face⚠ 5.7x markup
$50.2K
660 services$76.14/svc5.73x markup
99233Subsequent hospital inpatient care, typically 35 minutes per day
$35.8K
410 services$87.34/svc2.86x markup
31238Control of nasal bleeding using an endoscope
$28.3K
130 services$217.40/svc2.76x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$27.3K
209 services$130.53/svc2.69x markup
95117Injection of incremental dosages of allergen, 2 or more injections⚠ 3.4x markup
$19.9K
2.2K services$8.96/svc3.35x markup
99223Initial hospital inpatient care, typically 70 minutes per day
$10.0K
61 services$163.67/svc2.14x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
31298Dilation of nasal sinus using an endoscope653$3.3M$5.0K1.35x
31295Dilation of nasal sinus using an endoscope652$1.1M$1.8K1.28x
31237Biopsy or removal of nasal polyp or tissue using an endoscope1.4K$428.3K$298.244.05x
31231Diagnostic examination of nasal passages using an endoscope2.3K$361.2K$159.912.41x
31525Diagnostic examination of voice box using an endoscope1.8K$344.5K$195.622.30x
99214Established patient office or other outpatient, visit typically 25 minutes2.9K$301.9K$102.962.04x
99213Established patient office or other outpatient visit, typically 15 minutes4.5K$264.9K$58.322.57x
99204New patient office or other outpatient visit, typically 45 minutes1.3K$172.3K$134.832.54x
99203New patient office or other outpatient visit, typically 30 minutes1.1K$90.1K$81.533.37x
31579Examination to assess movement of vocal cord flaps using an endoscope528$89.7K$169.842.64x
31575Diagnostic examination of voice box using flexible endoscope928$87.1K$93.832.72x
30117Removal or destruction of growth in nose114$79.2K$694.652.88x
92520Functional assessment of the voice box1.0K$72.3K$69.102.17x
69210Removal of impact ear wax, one ear2.0K$68.6K$34.062.93x
70486CT scan of face660$50.2K$76.145.73x
99233Subsequent hospital inpatient care, typically 35 minutes per day410$35.8K$87.342.86x
31238Control of nasal bleeding using an endoscope130$28.3K$217.402.76x
99215Established patient office or other outpatient, visit typically 40 minutes209$27.3K$130.532.69x
95117Injection of incremental dosages of allergen, 2 or more injections2.2K$19.9K$8.963.35x
99223Initial hospital inpatient care, typically 70 minutes per day61$10.0K$163.672.14x

Markup Analysis

Charge-to-Payment Ratio

1.87x

This provider submits charges 1.87 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.87x means for every $100 Medicare pays, this provider initially charges $187. This is lower than the national average.

Location

Los Angeles, 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.

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