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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. Walter Willoughby
๐Ÿซ
MDIndividual

Walter Willoughby, MD

NPI: 1376592477
Las Vegas, NV
10 years of data
Pulmonary Disease
$3.2M
Total Payments
49.9K
Beneficiaries
98.0K
Services
2.72x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$3.2M
Specialty median$121.6K

๐Ÿ“‹ Key Findings

1Billed $3.2M over 10 years
22.72x markup ratio (above median)
398th percentile in Pulmonary Disease by payments
44 procedures with >3x markup
โœ“ No flags detected

๐Ÿ”Ž Data Analysis

This provider's $3.2M in total Medicare payments ranks in the 98th percentile of Pulmonary Disease providers nationally.

This provider's billing patterns fall within normal ranges for their specialty.

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$102.90$41.572.48x$61.33$376.4K11.1K6.1K
2015$93.33$35.232.65x$58.10$416.8K12.8K6.5K
2016$113.05$39.562.86x$73.49$404.5K12.4K6.1K
2017$111.00$38.522.88x$72.48$402.5K12.7K6.3K
2018$110.12$37.582.93x$72.54$346.9K10.7K5.2K
2019$121.81$39.953.05x$81.86$286.5K8.5K4.5K
2020$109.54$36.393.01x$73.15$265.4K7.4K3.9K
2021$93.20$35.322.64x$57.88$223.6K7.3K3.6K
2022$92.92$34.622.68x$58.30$229.8K7.3K3.8K
2023$92.92$32.672.84x$60.25$259.5K7.7K3.8K

Top Procedures (20)

99214Established patient office or other outpatient, visit typically 25 minutes
$868.8K
10.7K services$81.11/svc2.69x markup
94729Measurement of lung diffusing capacity
$346.8K
8.1K services$43.07/svc2.55x markup
94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administrationโš  3.1x markup
$342.0K
8.1K services$42.04/svc3.06x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$296.2K
2.7K services$108.79/svc2.73x markup
99490Chronic care management services at least 20 minutes per calendar month
$250.6K
7.9K services$31.91/svc2.41x markup
94640Respiratory inhaled pressure or nonpressure treatment to relieve airway obstruction or for sputum specimen
$178.4K
13.4K services$13.31/svc2.85x markup
94664Demonstration and/or evaluation of patient use of aerosol generator, nebulizer, metered dose inhaler or intermittent positive pressure breathing (IPPB) device
$177.0K
13.1K services$13.50/svc2.65x markup
99205New patient office or other outpatient visit, typically 60 minutes
$146.1K
941 services$155.29/svc2.68x markup
94660Initiation and management of continued pressured respiratory assistance by mask or breathing tube
$105.9K
2.2K services$48.39/svc2.69x markup
82805Blood gases measurement
$82.6K
1.6K services$51.23/svc1.56x markup
36600Arterial puncture withdrawal of blood for diagnosis
$40.1K
1.6K services$24.84/svc2.65x markup
94726Determination of lung volumes using plethysmography
$36.7K
871 services$42.16/svc2.31x markup
82375Carboxyhemoglobin (protein) level
$36.4K
2.4K services$14.95/svc2.34x markup
99204New patient office or other outpatient visit, typically 45 minutes
$35.0K
287 services$122.12/svc2.82x markup
99354Prolonged office or other outpatient service first hourโš  3.0x markup
$33.9K
506 services$66.91/svc3.03x markup
94620Pulmonary exercise testing
$25.9K
585 services$44.27/svc2.96x markup
83050Methemoglobin (hemoglobin) analysis
$22.0K
2.4K services$9.02/svc2.33x markup
83605Lactic acid level
$21.1K
1.6K services$13.03/svc2.30x markup
G2212Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician orโš  4.0x markup
$17.0K
683 services$24.83/svc4.03x markup
36415Insertion of needle into vein for collection of blood sampleโš  8.0x markup
$15.9K
4.2K services$3.75/svc7.99x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99214Established patient office or other outpatient, visit typically 25 minutes10.7K$868.8K$81.112.69x
94729Measurement of lung diffusing capacity8.1K$346.8K$43.072.55x
94060Measurement and graphic recording of the amount and speed of breathed air, before and following medication administration8.1K$342.0K$42.043.06x
99215Established patient office or other outpatient, visit typically 40 minutes2.7K$296.2K$108.792.73x
99490Chronic care management services at least 20 minutes per calendar month7.9K$250.6K$31.912.41x
94640Respiratory inhaled pressure or nonpressure treatment to relieve airway obstruction or for sputum specimen13.4K$178.4K$13.312.85x
94664Demonstration and/or evaluation of patient use of aerosol generator, nebulizer, metered dose inhaler or intermittent positive pressure breathing (IPPB) device13.1K$177.0K$13.502.65x
99205New patient office or other outpatient visit, typically 60 minutes941$146.1K$155.292.68x
94660Initiation and management of continued pressured respiratory assistance by mask or breathing tube2.2K$105.9K$48.392.69x
82805Blood gases measurement1.6K$82.6K$51.231.56x
36600Arterial puncture withdrawal of blood for diagnosis1.6K$40.1K$24.842.65x
94726Determination of lung volumes using plethysmography871$36.7K$42.162.31x
82375Carboxyhemoglobin (protein) level2.4K$36.4K$14.952.34x
99204New patient office or other outpatient visit, typically 45 minutes287$35.0K$122.122.82x
99354Prolonged office or other outpatient service first hour506$33.9K$66.913.03x
94620Pulmonary exercise testing585$25.9K$44.272.96x
83050Methemoglobin (hemoglobin) analysis2.4K$22.0K$9.022.33x
83605Lactic acid level1.6K$21.1K$13.032.30x
G2212Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or683$17.0K$24.834.03x
36415Insertion of needle into vein for collection of blood sample4.2K$15.9K$3.757.99x

Markup Analysis

Charge-to-Payment Ratio

2.72x

This provider submits charges 2.72 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.72x means for every $100 Medicare pays, this provider initially charges $272. This is higher than the national average.

Location

Las Vegas, NV

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

  • 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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