OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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.
Sister Sites: OpenMedicaid · OpenFeds · OpenSpending

© 2026 OpenMedicare. Independent data journalism. Built by TheDataProject.ai

Methodology•Download Data
  1. Home
  2. Providers
  3. Christopher Walz
⚕️
MDIndividual

Christopher Walz, M.D.

NPI: 1205989514
Rancho Mirage, CA
10 years of data
Otolaryngology
$7.3M
Total Payments
46.7K
Beneficiaries
60.5K
Services
1.64x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$7.3M
Specialty median$80.5K

📋 Key Findings

1Billed $7.3M over 10 years
21.64x markup ratio
399th percentile in Otolaryngology by payments
✓ No flags detected

🔎 Data Analysis

This provider's $7.3M in total Medicare payments ranks in the 99th percentile of Otolaryngology 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 — the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$403.09$232.641.73x$170.45$846.8K6.4K4.9K
2015$393.33$225.771.74x$167.56$814.8K6.5K4.9K
2016$375.03$206.321.82x$168.71$1.0M7.4K5.7K
2017$399.50$205.321.95x$194.18$684.8K6.1K4.7K
2018$451.12$288.121.57x$163.00$786.4K5.8K4.6K
2019$370.87$215.401.72x$155.47$675.7K5.8K4.6K
2020$405.43$267.111.52x$138.32$552.7K4.9K3.8K
2021$418.11$278.151.50x$139.96$620.1K5.4K4.1K
2022$380.60$249.791.52x$130.81$653.7K5.7K4.3K
2023$672.27$242.432.77x$429.84$662.2K6.5K4.9K

Top Procedures (20)

31231Diagnostic examination of nasal passages using an endoscope
$1.2M
7.3K services$167.12/svc1.42x markup
99214Established patient office or other outpatient, visit typically 25 minutes
$889.4K
10.2K services$87.59/svc1.44x markup
31298Dilation of nasal sinus using an endoscope
$645.5K
194 services$3.3K/svc1.57x markup
31296Dilation of nasal sinus using an endoscope
$604.3K
316 services$1.9K/svc1.50x markup
31295Dilation of nasal sinus using an endoscope
$558.0K
510 services$1.1K/svc2.51x markup
99213Established patient office or other outpatient visit, typically 15 minutes
$504.3K
8.6K services$58.90/svc1.53x markup
99204New patient office or other outpatient visit, typically 45 minutes
$360.5K
2.9K services$124.12/svc1.45x markup
31297Dilation of nasal sinus using an endoscope
$315.6K
309 services$1.0K/svc2.64x markup
31575Diagnostic examination of voice box using flexible endoscope
$308.3K
4.5K services$67.97/svc2.11x markup
69210Removal of impact ear wax, one ear
$290.7K
9.2K services$31.71/svc1.64x markup
70486CT scan of face
$252.5K
2.3K services$110.99/svc1.45x markup
31237Biopsy or removal of nasal polyp or tissue using an endoscope
$205.4K
754 services$272.45/svc1.38x markup
76536Ultrasound of head and neck
$188.4K
2.0K services$94.22/svc1.42x markup
99203New patient office or other outpatient visit, typically 30 minutes
$141.7K
1.8K services$77.79/svc1.59x markup
99215Established patient office or other outpatient, visit typically 40 minutes
$135.9K
1.1K services$121.15/svc1.36x markup
31579Examination to assess movement of vocal cord flaps using an endoscope
$94.3K
690 services$136.59/svc1.54x markup
99212Established patient office or other outpatient visit, typically 10 minutes
$78.6K
2.4K services$32.89/svc1.54x markup
31238Control of nasal bleeding using an endoscope
$66.7K
320 services$208.33/svc1.43x markup
10022Fine needle aspiration using imaging guidance
$36.3K
313 services$116.07/svc1.30x markup
10005Fine needle aspiration of first lesion using ultrasound guidance
$35.1K
319 services$110.17/svc1.43x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
31231Diagnostic examination of nasal passages using an endoscope7.3K$1.2M$167.121.42x
99214Established patient office or other outpatient, visit typically 25 minutes10.2K$889.4K$87.591.44x
31298Dilation of nasal sinus using an endoscope194$645.5K$3.3K1.57x
31296Dilation of nasal sinus using an endoscope316$604.3K$1.9K1.50x
31295Dilation of nasal sinus using an endoscope510$558.0K$1.1K2.51x
99213Established patient office or other outpatient visit, typically 15 minutes8.6K$504.3K$58.901.53x
99204New patient office or other outpatient visit, typically 45 minutes2.9K$360.5K$124.121.45x
31297Dilation of nasal sinus using an endoscope309$315.6K$1.0K2.64x
31575Diagnostic examination of voice box using flexible endoscope4.5K$308.3K$67.972.11x
69210Removal of impact ear wax, one ear9.2K$290.7K$31.711.64x
70486CT scan of face2.3K$252.5K$110.991.45x
31237Biopsy or removal of nasal polyp or tissue using an endoscope754$205.4K$272.451.38x
76536Ultrasound of head and neck2.0K$188.4K$94.221.42x
99203New patient office or other outpatient visit, typically 30 minutes1.8K$141.7K$77.791.59x
99215Established patient office or other outpatient, visit typically 40 minutes1.1K$135.9K$121.151.36x
31579Examination to assess movement of vocal cord flaps using an endoscope690$94.3K$136.591.54x
99212Established patient office or other outpatient visit, typically 10 minutes2.4K$78.6K$32.891.54x
31238Control of nasal bleeding using an endoscope320$66.7K$208.331.43x
10022Fine needle aspiration using imaging guidance313$36.3K$116.071.30x
10005Fine needle aspiration of first lesion using ultrasound guidance319$35.1K$110.171.43x

Markup Analysis

Charge-to-Payment Ratio

1.64x

This provider submits charges 1.64 times higher than what Medicare actually pays.

What This Means

A markup ratio of 1.64x means for every $100 Medicare pays, this provider initially charges $164. This is lower than the national average.

Location

Rancho Mirage, CA

Provider Verification

Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.

Related

Browse
← Back to Provider Directory
State
All providers in CA →
Specialty
All Otolaryngology providers →
Tool
Compare this provider →
Analysis
Fraud Watchlist →
Search
Search all providers →

Share This Provider

Share this provider's Medicare payment information

Share:

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