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Methodology•Download Data
  1. Home
  2. Providers
  3. Michael Prater
⚕️
MDIndividual

Michael Prater, M.D.

NPI: 1598723173
Lake Havasu City, AZ
10 years of data
Otolaryngology
$5.0M
Total Payments
36.6K
Beneficiaries
56.0K
Services
2.14x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$5.0M
Specialty median$80.5K

📋 Key Findings

1Billed $5.0M over 10 years
22.14x markup ratio (above median)
399th percentile in Otolaryngology by payments
4Payments surged 76% in 2015
54 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $5.0M in total Medicare payments ranks in the 99th percentile of Otolaryngology providers nationally.

Medicare payments to this provider grew 198% 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 76% in 2015

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$266.22$89.112.99x$177.11$296.6K5.3K3.5K
2015$563.10$195.572.88x$367.53$521.5K5.1K3.5K
2016$589.10$207.652.84x$381.45$501.9K5.2K3.4K
2017$570.17$182.793.12x$387.38$308.2K4.9K3.1K
2018$530.42$237.232.24x$293.19$421.4K5.0K3.5K
2019$601.31$235.212.56x$366.10$465.8K5.4K3.4K
2020$605.51$259.622.33x$345.89$443.7K5.4K3.6K
2021$635.34$295.182.15x$340.16$579.9K6.0K3.9K
2022$660.22$284.462.32x$375.76$573.1K6.6K4.3K
2023$647.13$294.052.20x$353.08$884.2K7.1K4.5K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes
$529.3K
6.8K services$78.06/svc1.67x markup
31231Diagnostic examination of nasal passages using an endoscope
$524.0K
3.5K services$149.54/svc1.54x markup
31298Dilation of nasal sinus using an endoscope
$512.4K
123 services$4.2K/svc1.68x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$430.7K
7.8K services$54.99/svc1.82x markup
30469Repair of collapsed nasal valve
$326.3K
165 services$2.0K/svc1.52x markup
31295Dilation of nasal sinus using an endoscope⚠ 3.6x markup
$318.8K
227 services$1.4K/svc3.56x markup
99203New patient office or other outpatient visit, typically 30 minutes
$276.9K
3.8K services$72.22/svc2.01x markup
31296Dilation of nasal sinus using an endoscope
$264.7K
109 services$2.4K/svc2.07x markup
76536Ultrasound of head and neck
$209.5K
3.6K services$58.80/svc2.44x markup
31237Biopsy or removal of nasal polyp or tissue using an endoscope
$198.3K
741 services$267.58/svc1.93x markup
31575Diagnostic examination of voice box using flexible endoscope
$175.3K
2.0K services$86.97/svc2.19x markup
99204New patient office or other outpatient visit, typically 45 minutes
$150.2K
1.3K services$112.11/svc1.79x markup
31297Dilation of nasal sinus using an endoscope⚠ 4.2x markup
$130.0K
109 services$1.2K/svc4.19x markup
70486CT scan of face
$77.9K
1.3K services$59.84/svc2.39x markup
69210Removal of impact ear wax, one ear
$73.0K
2.4K services$31.04/svc2.16x markup
95117Injection of incremental dosages of allergen, 2 or more injections⚠ 3.5x markup
$69.0K
9.2K services$7.49/svc3.49x markup
30117Removal or destruction of growth of nose through nose
$64.2K
166 services$386.74/svc2.33x markup
38724Removal of lymph nodes, muscle, and tissue of neck
$54.9K
49 services$1.1K/svc2.17x markup
31257Complete examination of nose and sinuses and removal of nasal sinus using an endoscope⚠ 3.1x markup
$41.4K
87 services$476.42/svc3.15x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$36.4K
337 services$108.03/svc1.50x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes6.8K$529.3K$78.061.67x
31231Diagnostic examination of nasal passages using an endoscope3.5K$524.0K$149.541.54x
31298Dilation of nasal sinus using an endoscope123$512.4K$4.2K1.68x
99213Established patient office or other outpatient visit, typically 15 minutes7.8K$430.7K$54.991.82x
30469Repair of collapsed nasal valve165$326.3K$2.0K1.52x
31295Dilation of nasal sinus using an endoscope227$318.8K$1.4K3.56x
99203New patient office or other outpatient visit, typically 30 minutes3.8K$276.9K$72.222.01x
31296Dilation of nasal sinus using an endoscope109$264.7K$2.4K2.07x
76536Ultrasound of head and neck3.6K$209.5K$58.802.44x
31237Biopsy or removal of nasal polyp or tissue using an endoscope741$198.3K$267.581.93x
31575Diagnostic examination of voice box using flexible endoscope2.0K$175.3K$86.972.19x
99204New patient office or other outpatient visit, typically 45 minutes1.3K$150.2K$112.111.79x
31297Dilation of nasal sinus using an endoscope109$130.0K$1.2K4.19x
70486CT scan of face1.3K$77.9K$59.842.39x
69210Removal of impact ear wax, one ear2.4K$73.0K$31.042.16x
95117Injection of incremental dosages of allergen, 2 or more injections9.2K$69.0K$7.493.49x
30117Removal or destruction of growth of nose through nose166$64.2K$386.742.33x
38724Removal of lymph nodes, muscle, and tissue of neck49$54.9K$1.1K2.17x
31257Complete examination of nose and sinuses and removal of nasal sinus using an endoscope87$41.4K$476.423.15x
99215Established patient office or other outpatient, visit typically 40 minutes337$36.4K$108.031.50x

Markup Analysis

Charge-to-Payment Ratio

2.14x

This provider submits charges 2.14 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.14x means for every $100 Medicare pays, this provider initially charges $214. This is higher than the national average.

Location

Lake Havasu City, AZ

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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