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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. Walter Kusumoto
⚕️
MDIndividual

Walter Kusumoto, M.D. M.P.H.

NPI: 1619935079
Chico, CA
10 years of data
Clinical Cardiac Electrophysiology
$6.3M
Total Payments
38.3K
Beneficiaries
68.4K
Services
3.66x
Markup Ratio

Peer Comparison

98th
percentile in specialty
This provider$6.3M
Specialty median$207.8K

📋 Key Findings

1Billed $6.3M over 10 years
23.66x markup ratio (above median)
398th percentile in Clinical Cardiac Electrophysiology by payments
418 procedures with >3x markup
✓ No flags detected

🔎 Data Analysis

This provider's $6.3M in total Medicare payments ranks in the 98th percentile of Clinical Cardiac Electrophysiology providers nationally.

Medicare payments to this provider grew 149% 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

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$716.19$182.153.93x$534.04$383.1K5.0K2.8K
2015$722.07$180.734.00x$541.34$512.0K6.0K3.1K
2016$673.21$174.373.86x$498.84$539.0K6.3K3.2K
2017$656.06$170.603.85x$485.46$560.9K6.4K3.6K
2018$672.04$168.553.99x$503.49$667.1K6.8K4.1K
2019$698.37$171.234.08x$527.14$592.3K6.8K4.0K
2020$696.79$180.813.85x$515.98$562.9K5.9K3.7K
2021$810.80$251.763.22x$559.04$756.6K6.5K4.0K
2022$662.57$226.272.93x$436.30$744.9K7.4K4.7K
2023$598.13$230.382.60x$367.75$955.8K11.3K5.0K

Top Procedures (20)

99213Established patient office or other outpatient visit, typically 15 minutes⚠ 3.8x markup
$734.3K
12.5K services$58.96/svc3.77x markup
99214Established patient office or other outpatient, visit typically 25 minutes⚠ 3.7x markup
$555.6K
6.5K services$85.47/svc3.73x markup
93656Evaluation and insertion of catheters for recording, pacing, and treatment of abnormal heart rhythm⚠ 3.4x markup
$540.6K
622 services$869.12/svc3.35x markup
99215Established patient office or other outpatient, visit typically 40 minutes⚠ 3.3x markup
$376.9K
3.0K services$127.45/svc3.30x markup
93653Evaluation and insertion of catheters for creation of complete heart block⚠ 3.4x markup
$356.0K
543 services$655.66/svc3.42x markup
33249Insertion or replacement of single or dual chamber pacing defibrillator leads⚠ 3.5x markup
$329.6K
461 services$714.98/svc3.55x markup
93284Evaluation, testing, and programming adjustment of permanent multiple lead cardioverter-defibrillator including physician analysis, review, and report⚠ 3.6x markup
$317.4K
4.4K services$71.91/svc3.60x markup
33285Insertion of heart rhythm monitor under skin
$260.7K
65 services$4.0K/svc2.30x markup
93613Insertion of catheters for 3D mapping of electrical impulses to heart muscles⚠ 4.1x markup
$228.9K
849 services$269.58/svc4.14x markup
93280Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report⚠ 3.4x markup
$220.8K
4.3K services$50.79/svc3.37x markup
93657Destruction of tissue of right or left upper heart chamber via catheter for treatment of abnormal heart rhythm⚠ 3.4x markup
$186.6K
599 services$311.44/svc3.39x markup
93282Evaluation, testing, and programming adjustment of permanent single lead cardioverter-defibrillator including physician analysis, review, and report⚠ 3.5x markup
$174.3K
3.3K services$52.40/svc3.52x markup
99205New patient office or other outpatient visit, typically 60 minutes⚠ 3.8x markup
$170.9K
1.0K services$167.38/svc3.83x markup
93623Programmed heart rhythm stimulation after drug infusion into a vein⚠ 3.5x markup
$140.7K
1.3K services$112.58/svc3.55x markup
99426Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month
$137.8K
2.8K services$49.04/svc2.56x markup
93283Evaluation, testing, and programming adjustment of permanent dual lead cardioverter-defibrillator including physician analysis, review, and report⚠ 3.6x markup
$134.0K
2.1K services$65.03/svc3.65x markup
93000Routine EKG using at least 12 leads including interpretation and report⚠ 7.5x markup
$128.3K
10.3K services$12.47/svc7.48x markup
33208Insertion of new or replacement of permanent pacemaker including upper and lower chamber electrodes⚠ 3.6x markup
$101.7K
258 services$394.26/svc3.63x markup
99204New patient office or other outpatient visit, typically 45 minutes⚠ 3.8x markup
$99.7K
772 services$129.10/svc3.83x markup
93641Evaluation of single or dual chamber pacing cardioverter-defibrillator and generator at time of implantation or replacement⚠ 7.8x markup
$93.9K
697 services$134.70/svc7.82x markup
Show detailed table ▾
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
99213Established patient office or other outpatient visit, typically 15 minutes12.5K$734.3K$58.963.77x
99214Established patient office or other outpatient, visit typically 25 minutes6.5K$555.6K$85.473.73x
93656Evaluation and insertion of catheters for recording, pacing, and treatment of abnormal heart rhythm622$540.6K$869.123.35x
99215Established patient office or other outpatient, visit typically 40 minutes3.0K$376.9K$127.453.30x
93653Evaluation and insertion of catheters for creation of complete heart block543$356.0K$655.663.42x
33249Insertion or replacement of single or dual chamber pacing defibrillator leads461$329.6K$714.983.55x
93284Evaluation, testing, and programming adjustment of permanent multiple lead cardioverter-defibrillator including physician analysis, review, and report4.4K$317.4K$71.913.60x
33285Insertion of heart rhythm monitor under skin65$260.7K$4.0K2.30x
93613Insertion of catheters for 3D mapping of electrical impulses to heart muscles849$228.9K$269.584.14x
93280Evaluation, testing, and programming adjustment of permanent dual lead pacemaker system with physician analysis, review, and report4.3K$220.8K$50.793.37x
93657Destruction of tissue of right or left upper heart chamber via catheter for treatment of abnormal heart rhythm599$186.6K$311.443.39x
93282Evaluation, testing, and programming adjustment of permanent single lead cardioverter-defibrillator including physician analysis, review, and report3.3K$174.3K$52.403.52x
99205New patient office or other outpatient visit, typically 60 minutes1.0K$170.9K$167.383.83x
93623Programmed heart rhythm stimulation after drug infusion into a vein1.3K$140.7K$112.583.55x
99426Principal care management services for a single high-risk disease, first 30 minutes of clinical staff time directed by health care professional, per calendar month2.8K$137.8K$49.042.56x
93283Evaluation, testing, and programming adjustment of permanent dual lead cardioverter-defibrillator including physician analysis, review, and report2.1K$134.0K$65.033.65x
93000Routine EKG using at least 12 leads including interpretation and report10.3K$128.3K$12.477.48x
33208Insertion of new or replacement of permanent pacemaker including upper and lower chamber electrodes258$101.7K$394.263.63x
99204New patient office or other outpatient visit, typically 45 minutes772$99.7K$129.103.83x
93641Evaluation of single or dual chamber pacing cardioverter-defibrillator and generator at time of implantation or replacement697$93.9K$134.707.82x

Markup Analysis

Charge-to-Payment Ratio

3.66x

This provider submits charges 3.66 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.66x means for every $100 Medicare pays, this provider initially charges $366. This is higher than the national average.

Location

Chico, 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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