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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.
Sister Sites: OpenMedicaid ยท OpenFeds ยท OpenSpending

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

Methodologyโ€ขDownload Data
  1. Home
  2. Providers
  3. James Uyeki
๐ŸŽ—๏ธ
MDIndividual

James Uyeki, M.D.

NPI: 1124187927
Austin, TX
10 years of data
Medical Oncology
$35.1M
Total Payments
539
Beneficiaries
2.4M
Services
4.33x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$35.1M
Specialty median$262.8K
Rank #11 of 17 in specialty

๐Ÿ“‹ Key Findings

1Billed $35.1M over 10 years
24.33x markup ratio (above median)
3Risk score: 78 โ€” flagged for review
499th percentile in Medical Oncology by payments
5955 services/day โ€” physically implausible
6Payments surged 105% in 2018

โš ๏ธ Flagged for Review

Risk Score: 78
  • 146x specialty median spending
  • Markup 22.5x (specialty median: 4.3x)
  • 27x specialty median beneficiaries
  • 766x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 955 services per working day โ€” physically unusual for an individual practitioner

Based on 2.4M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $35.1M in total Medicare payments ranks in the 99th percentile of Medical Oncology providers nationally.

Averaging 955 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 1053% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 78/100. Statistical flags are not accusations of fraud.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

๐Ÿ“ˆ

Notable: Payments increased 105% 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 โ€” the gap represents the markup.

YearAvg SubmittedAvg PaidMarkup RatioGap per ServiceTotal PaymentsServicesBeneficiaries
2014$58.62$12.464.70x$46.16$578.6K46.4K44
2015$75.62$19.143.95x$56.48$958.1K50.1K39
2016$55.08$11.504.79x$43.58$1.1M98.2K48
2017$57.24$12.784.48x$44.46$1.6M122.6K48
2018$63.07$14.444.37x$48.63$3.2M222.1K57
2019$52.31$12.194.29x$40.12$5.0M408.0K62
2020$66.72$15.074.43x$51.65$5.3M349.3K58
2021$71.05$16.984.18x$54.07$5.5M326.8K61
2022$62.37$14.664.25x$47.71$5.2M355.1K59
2023$71.31$16.324.37x$54.99$6.7M408.8K63

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mgโš  3.1x markup
$9.4M
225.7K services$41.46/svc3.12x markup
J9299Injection, nivolumab, 1 mgโš  3.1x markup
$6.6M
294.0K services$22.44/svc3.12x markup
J2505Injection, pegfilgrastim, 6 mgโš  4.8x markup
$1.9M
607 services$3.1K/svc4.79x markup
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mgโš  6.7x markup
$1.5M
47.4K services$30.86/svc6.65x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihjโš  3.3x markup
$1.4M
36.0K services$37.53/svc3.31x markup
J9041Injection, bortezomib, 0.1 mgโš  3.8x markup
$1.1M
36.6K services$30.96/svc3.75x markup
J0897Injection, denosumab, 1 mgโš  3.5x markup
$1.1M
69.1K services$15.79/svc3.46x markup
J9305Injection, pemetrexed, not otherwise specified, 10 mgโš  3.7x markup
$902.5K
20.3K services$44.48/svc3.68x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  6.2x markup
$862.7K
7.6K services$113.58/svc6.22x markup
J9310Injection, rituximab, 100 mgโš  3.1x markup
$805.9K
1.2K services$667.16/svc3.14x markup
99214Established patient office or other outpatient visit, 30-39 minutesโš  4.0x markup
$715.9K
8.4K services$85.30/svc3.98x markup
J9312Injection, rituximab, 10 mgโš  3.2x markup
$649.6K
8.7K services$74.50/svc3.18x markup
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mgโš  4.8x markup
$518.9K
13.8K services$37.56/svc4.82x markup
J9145Injection, daratumumab, 10 mgโš  3.2x markup
$516.3K
11.5K services$44.93/svc3.24x markup
G9678Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a
$474.4K
3.0K services$157.99/svc1.01x markup
99215Established patient office or other outpatient visit, 40-54 minutesโš  3.8x markup
$445.2K
4.0K services$111.11/svc3.81x markup
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)โš  7.1x markup
$425.6K
151.2K services$2.82/svc7.08x markup
J9355Injection, trastuzumab, 10 mg
$402.5K
5.0K services$80.19/svc2.82x markup
Q5107Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mgโš  5.9x markup
$293.8K
6.5K services$45.00/svc5.93x markup
J1454Injection, fosnetupitant 235 mg and palonosetron 0.25 mgโš  4.2x markup
$292.4K
745 services$392.50/svc4.22x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg225.7K$9.4M$41.463.12x
J9299Injection, nivolumab, 1 mg294.0K$6.6M$22.443.12x
J2505Injection, pegfilgrastim, 6 mg607$1.9M$3.1K4.79x
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg47.4K$1.5M$30.866.65x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj36.0K$1.4M$37.533.31x
J9041Injection, bortezomib, 0.1 mg36.6K$1.1M$30.963.75x
J0897Injection, denosumab, 1 mg69.1K$1.1M$15.793.46x
J9305Injection, pemetrexed, not otherwise specified, 10 mg20.3K$902.5K$44.483.68x
96413Administration of chemotherapy into vein, 1 hour or less7.6K$862.7K$113.586.22x
J9310Injection, rituximab, 100 mg1.2K$805.9K$667.163.14x
99214Established patient office or other outpatient visit, 30-39 minutes8.4K$715.9K$85.303.98x
J9312Injection, rituximab, 10 mg8.7K$649.6K$74.503.18x
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg13.8K$518.9K$37.564.82x
J9145Injection, daratumumab, 10 mg11.5K$516.3K$44.933.24x
G9678Oncology care model (ocm) monthly enhanced oncology services (meos) payment for ocm enhanced services. g9678 payments may only be made to ocm practitioners for ocm beneficiaries for the furnishment of enhanced services as defined in the ocm participation a3.0K$474.4K$157.991.01x
99215Established patient office or other outpatient visit, 40-54 minutes4.0K$445.2K$111.113.81x
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)151.2K$425.6K$2.827.08x
J9355Injection, trastuzumab, 10 mg5.0K$402.5K$80.192.82x
Q5107Injection, bevacizumab-awwb, biosimilar, (mvasi), 10 mg6.5K$293.8K$45.005.93x
J1454Injection, fosnetupitant 235 mg and palonosetron 0.25 mg745$292.4K$392.504.22x

Markup Analysis

Charge-to-Payment Ratio

4.33x

This provider submits charges 4.33 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.33x means for every $100 Medicare pays, this provider initially charges $433. This is higher than the national average.

Location

Austin, TX

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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