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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. Justin Baker
๐ŸŽ—๏ธ
MDIndividual

Justin Baker, M.D.

NPI: 1639119589
Jackson, MS
10 years of data
Hematology-Oncology
$28.1M
Total Payments
432
Beneficiaries
2.0M
Services
3.5x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$28.1M
Specialty median$339.6K

๐Ÿ“‹ Key Findings

1Billed $28.1M over 10 years
23.5x markup ratio (above median)
3Risk score: 67 โ€” flagged for review
499th percentile in Hematology-Oncology by payments
5794 services/day โ€” physically implausible
6Payments surged 64% in 2018

โš ๏ธ Flagged for Review

Risk Score: 67
  • 64x specialty median spending
  • Markup 14.7x (specialty median: 4.0x)
  • 13x specialty median beneficiaries
  • 278x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 794 services per working day โ€” physically unusual for an individual practitioner

Based on 2.0M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $28.1M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 794 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 369% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 67/100. 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 64% 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$54.22$14.243.81x$39.98$880.8K61.9K42
2015$26.69$8.263.23x$18.43$1.2M145.7K38
2016$29.14$9.553.05x$19.59$1.7M179.8K40
2017$47.68$14.793.22x$32.89$2.2M145.9K43
2018$49.32$13.953.54x$35.37$3.5M253.4K45
2019$53.37$14.893.58x$38.48$3.3M223.1K48
2020$50.29$13.123.83x$37.17$3.6M273.4K43
2021$53.91$14.943.61x$38.97$3.6M241.8K46
2022$58.83$17.383.38x$41.45$3.9M226.3K46
2023$61.87$17.733.49x$44.14$4.1M232.8K41

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mg
$6.2M
154.8K services$40.34/svc2.97x markup
J9299Injection, nivolumab, 1 mg
$4.7M
209.8K services$22.32/svc2.79x markup
J0897Injection, denosumab, 1 mgโš  3.0x markup
$2.0M
141.2K services$14.35/svc3.04x markup
J2505Injection, pegfilgrastim, 6 mg
$2.0M
676 services$2.9K/svc2.76x markup
J9310Injection, rituximab, 100 mg
$1.6M
2.6K services$613.10/svc2.37x markup
J9264Injection, paclitaxel protein-bound particles, 1 mg
$1.0M
123.2K services$8.31/svc2.88x markup
J9311Injection, rituximab 10 mg and hyaluronidaseโš  3.9x markup
$984.9K
31.9K services$30.89/svc3.88x markup
J9312Injection, rituximab, 10 mg
$912.0K
12.5K services$72.96/svc2.91x markup
J9041Injection, bortezomib (velcade), 0.1 mgโš  3.8x markup
$751.9K
25.2K services$29.88/svc3.79x markup
J9355Injection, trastuzumab, 10 mg
$698.8K
8.9K services$78.41/svc2.85x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$688.5K
8.4K services$81.69/svc2.94x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  4.5x markup
$662.6K
7.2K services$92.62/svc4.47x markup
J9395Injection, fulvestrant, 25 mgโš  4.6x markup
$544.4K
10.7K services$51.12/svc4.57x markup
99213Established patient office or other outpatient visit, 20-29 minutesโš  3.0x markup
$469.8K
10.0K services$47.18/svc3.02x markup
J9035Injection, bevacizumab, 10 mgโš  3.0x markup
$433.5K
7.0K services$62.38/svc3.01x markup
J2469Injection, palonosetron hcl, 25 mcgโš  5.8x markup
$394.7K
38.8K services$10.16/svc5.85x markup
J9305Injection, pemetrexed, 10 mg
$332.5K
6.9K services$48.19/svc2.68x markup
J1439Injection, ferric carboxymaltose, 1 mgโš  3.1x markup
$274.4K
324.8K services$0.84/svc3.10x markup
J0885Injection, epoetin alfa, (for non-esrd use), 1000 unitsโš  4.1x markup
$265.4K
30.9K services$8.59/svc4.07x markup
80053Blood test, comprehensive group of blood chemicalsโš  7.8x markup
$233.8K
20.0K services$11.72/svc7.80x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg154.8K$6.2M$40.342.97x
J9299Injection, nivolumab, 1 mg209.8K$4.7M$22.322.79x
J0897Injection, denosumab, 1 mg141.2K$2.0M$14.353.04x
J2505Injection, pegfilgrastim, 6 mg676$2.0M$2.9K2.76x
J9310Injection, rituximab, 100 mg2.6K$1.6M$613.102.37x
J9264Injection, paclitaxel protein-bound particles, 1 mg123.2K$1.0M$8.312.88x
J9311Injection, rituximab 10 mg and hyaluronidase31.9K$984.9K$30.893.88x
J9312Injection, rituximab, 10 mg12.5K$912.0K$72.962.91x
J9041Injection, bortezomib (velcade), 0.1 mg25.2K$751.9K$29.883.79x
J9355Injection, trastuzumab, 10 mg8.9K$698.8K$78.412.85x
99214Established patient office or other outpatient visit, 30-39 minutes8.4K$688.5K$81.692.94x
96413Administration of chemotherapy into vein, 1 hour or less7.2K$662.6K$92.624.47x
J9395Injection, fulvestrant, 25 mg10.7K$544.4K$51.124.57x
99213Established patient office or other outpatient visit, 20-29 minutes10.0K$469.8K$47.183.02x
J9035Injection, bevacizumab, 10 mg7.0K$433.5K$62.383.01x
J2469Injection, palonosetron hcl, 25 mcg38.8K$394.7K$10.165.85x
J9305Injection, pemetrexed, 10 mg6.9K$332.5K$48.192.68x
J1439Injection, ferric carboxymaltose, 1 mg324.8K$274.4K$0.843.10x
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units30.9K$265.4K$8.594.07x
80053Blood test, comprehensive group of blood chemicals20.0K$233.8K$11.727.80x

Markup Analysis

Charge-to-Payment Ratio

3.5x

This provider submits charges 3.5 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.5x means for every $100 Medicare pays, this provider initially charges $350. This is higher than the national average.

Location

Jackson, MS

Provider Verification

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

Similar Providers

Other Hematology-Oncology providers in MS for peer comparison.

Justin Baker (you)
$28.1M
Guangzhi Qu, M.D.โš ๏ธ
$55.7M
Tammy Young, M.D.โš ๏ธ
$45.2M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Guangzhi Qu, M.D.Jackson, MS$55.7Mโš ๏ธ Flagged
Tammy Young, M.D.Jackson, MS$45.2Mโš ๏ธ Flagged

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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.

Believe this data is inaccurate? Dispute this data