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

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

Amar Hamad, MD

NPI: 1598765166
Oak Lawn, IL
10 years of data
Medical Oncology
$17.3M
Total Payments
358
Beneficiaries
1.4M
Services
4.58x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$17.3M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $17.3M over 10 years
24.58x markup ratio (above median)
3Risk score: 68 โ€” flagged for review
499th percentile in Medical Oncology by payments
5565 services/day โ€” physically implausible
6Payments surged 53% in 2019

โš ๏ธ Flagged for Review

Risk Score: 68
  • 66x specialty median spending
  • Markup 19.3x (specialty median: 4.3x)
  • 10x specialty median beneficiaries
  • 466x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 565 services per working day โ€” physically unusual for an individual practitioner

Based on 1.4M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $17.3M in total Medicare payments ranks in the 99th percentile of Medical Oncology providers nationally.

Averaging 565 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 218% from 2014 to 2023.

This provider has been statistically flagged with a risk score of 68/100. 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 53% in 2019

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$85.13$17.904.76x$67.23$946.7K52.9K25
2015$109.64$22.464.88x$87.18$1.1M46.8K27
2016$93.44$20.224.62x$73.22$1.3M62.1K30
2017$65.10$13.844.70x$51.26$1.6M113.8K36
2018$56.52$11.724.82x$44.80$1.6M139.5K35
2019$52.15$11.874.39x$40.28$2.5M210.3K44
2020$48.78$10.254.76x$38.53$1.4M133.2K42
2021$46.29$10.514.40x$35.78$2.0M186.5K43
2022$44.33$9.374.73x$34.96$2.1M219.0K41
2023$52.22$12.104.32x$40.12$3.0M249.1K35

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mgโš  3.4x markup
$4.0M
95.6K services$41.53/svc3.37x markup
J9299Injection, nivolumab, 1 mgโš  3.8x markup
$2.6M
116.6K services$21.97/svc3.76x markup
J2505Injection, pegfilgrastim, 6 mgโš  4.3x markup
$2.4M
808 services$3.0K/svc4.33x markup
J9035Injection, bevacizumab, 10 mgโš  4.0x markup
$959.9K
16.5K services$58.14/svc3.96x markup
99214Established patient office or other outpatient visit, 30-39 minutesโš  4.6x markup
$788.9K
9.1K services$86.57/svc4.62x markup
78815Nuclear medicine study from skull base to mid-thigh with ct scanโš  3.4x markup
$708.1K
547 services$1.3K/svc3.39x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  5.5x markup
$607.4K
5.3K services$114.14/svc5.54x markup
J0897Injection, denosumab, 1 mgโš  3.8x markup
$547.1K
36.6K services$14.95/svc3.81x markup
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)โš  7.0x markup
$510.1K
173.1K services$2.95/svc6.98x markup
J9310Injection, rituximab, 100 mgโš  3.8x markup
$508.4K
807 services$630.00/svc3.79x 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
$293.5K
1.9K services$157.96/svc1.01x markup
99213Established patient office or other outpatient visit, 20-29 minutesโš  4.0x markup
$284.0K
4.2K services$67.94/svc3.97x markup
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mgโš  5.2x markup
$268.8K
7.2K services$37.49/svc5.17x markup
J9312Injection, rituximab, 10 mgโš  3.4x markup
$241.7K
3.3K services$74.37/svc3.42x markup
J2469Injection, palonosetron hcl, 25 mcgโš  9.3x markup
$225.7K
21.7K services$10.41/svc9.33x markup
J9305Injection, pemetrexed, not otherwise specified, 10 mgโš  3.5x markup
$176.7K
3.0K services$58.98/svc3.48x markup
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries
$154.2K
575 services$268.24/svc1.92x markup
96367Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or lessโš  5.7x markup
$143.7K
5.7K services$25.32/svc5.66x markup
J9041Injection, bortezomib, 0.1 mgโš  5.5x markup
$130.0K
5.3K services$24.61/svc5.53x markup
J1439Injection, ferric carboxymaltose, 1 mgโš  5.8x markup
$127.0K
147.2K services$0.86/svc5.79x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg95.6K$4.0M$41.533.37x
J9299Injection, nivolumab, 1 mg116.6K$2.6M$21.973.76x
J2505Injection, pegfilgrastim, 6 mg808$2.4M$3.0K4.33x
J9035Injection, bevacizumab, 10 mg16.5K$959.9K$58.143.96x
99214Established patient office or other outpatient visit, 30-39 minutes9.1K$788.9K$86.574.62x
78815Nuclear medicine study from skull base to mid-thigh with ct scan547$708.1K$1.3K3.39x
96413Administration of chemotherapy into vein, 1 hour or less5.3K$607.4K$114.145.54x
J0897Injection, denosumab, 1 mg36.6K$547.1K$14.953.81x
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)173.1K$510.1K$2.956.98x
J9310Injection, rituximab, 100 mg807$508.4K$630.003.79x
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 a1.9K$293.5K$157.961.01x
99213Established patient office or other outpatient visit, 20-29 minutes4.2K$284.0K$67.943.97x
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg7.2K$268.8K$37.495.17x
J9312Injection, rituximab, 10 mg3.3K$241.7K$74.373.42x
J2469Injection, palonosetron hcl, 25 mcg21.7K$225.7K$10.419.33x
J9305Injection, pemetrexed, not otherwise specified, 10 mg3.0K$176.7K$58.983.48x
A9552Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries575$154.2K$268.241.92x
96367Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less5.7K$143.7K$25.325.66x
J9041Injection, bortezomib, 0.1 mg5.3K$130.0K$24.615.53x
J1439Injection, ferric carboxymaltose, 1 mg147.2K$127.0K$0.865.79x

Markup Analysis

Charge-to-Payment Ratio

4.58x

This provider submits charges 4.58 times higher than what Medicare actually pays.

What This Means

A markup ratio of 4.58x means for every $100 Medicare pays, this provider initially charges $458. This is higher than the national average.

Location

Oak Lawn, IL

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 Medical Oncology providers in IL for peer comparison.

Amar Hamad (you)
$17.3M
Philip Dy, M.D.
$52.8M
Mary Mulcahy, MDโš ๏ธ
$38.2M
Refat Baridi, MD
$33.5M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Philip Dy, M.D.Effingham, IL$52.8Mโœ“ Clear
Mary Mulcahy, MDChicago, IL$38.2Mโš ๏ธ Flagged
Refat Baridi, MDWoodridge, IL$33.5Mโœ“ Clear

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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