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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. Aaron Flanders
๐ŸŽ—๏ธ
MDIndividual

Aaron Flanders, MD

NPI: 1710182605
Aiken, SC
6 years of data
Medical Oncology
$10.2M
Total Payments
227
Beneficiaries
1.3M
Services
2.98x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$10.2M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $10.2M over 6 years
22.98x markup ratio (above median)
399th percentile in Medical Oncology by payments
4845 services/day โ€” physically implausible
5Payments surged 1979% in 2020
67 procedures with >3x markup

โš ๏ธ This provider averages 845 services per working day โ€” physically unusual for an individual practitioner

Based on 1.3M total services over 6 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $10.2M in total Medicare payments ranks in the 99th percentile of Medical Oncology providers nationally.

Averaging 845 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 10991% from 2018 to 2023.

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 1979% in 2020

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
2018$286.63$71.404.01x$215.23$31.8K4467
2019$255.73$62.024.12x$193.71$58.0K93612
2020$19.09$5.903.24x$13.19$1.2M204.5K45
2021$17.99$5.563.24x$12.43$1.7M306.6K52
2022$27.78$9.992.78x$17.79$3.7M368.9K56
2023$27.04$9.162.95x$17.88$3.5M385.7K55

Top Procedures (20)

J0897Injection, denosumab, 1 mg
$1.8M
104.5K services$16.98/svc2.48x markup
J9271Injection, pembrolizumab, 1 mg
$1.5M
34.2K services$42.41/svc2.41x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj
$1.3M
35.1K services$36.97/svc2.70x markup
J9173Injection, durvalumab, 10 mg
$963.5K
15.6K services$61.76/svc2.59x markup
Q5120Injection, pegfilgrastim-bmez, biosimilar, (ziextenzo), 0.5 mg
$491.9K
2.3K services$210.05/svc2.12x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$460.1K
5.2K services$88.88/svc2.67x markup
J9299Injection, nivolumab, 1 mg
$437.6K
18.8K services$23.23/svc2.44x markup
J1439Injection, ferric carboxymaltose, 1 mg
$399.4K
450.8K services$0.89/svc2.81x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  6.3x markup
$345.0K
3.5K services$99.80/svc6.28x markup
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)โš  3.0x markup
$338.5K
129.5K services$2.62/svc3.03x markup
99215Established patient office or other outpatient visit, 40-54 minutes
$210.8K
1.6K services$130.14/svc2.19x markup
J9217Leuprolide acetate (for depot suspension), 7.5 mgโš  3.1x markup
$169.4K
1.2K services$144.65/svc3.11x markup
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mgโš  4.3x markup
$143.6K
4.2K services$34.18/svc4.31x markup
74177Ct scan of abdomen and pelvis with contrast
$124.8K
527 services$236.82/svc2.66x markup
J3590Unclassified biologics
$123.0K
40 services$3.1K/svc1.79x markup
J1449Injection, eflapegrastim-xnst, 0.1 mg
$114.6K
4.5K services$25.46/svc1.92x markup
96367Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or lessโš  4.5x markup
$112.2K
5.0K services$22.49/svc4.45x markup
99205New patient office or other outpatient visit, 60-74 minutesโš  3.3x markup
$111.4K
719 services$154.88/svc3.31x markup
80053Blood test, comprehensive group of blood chemicalsโš  6.0x markup
$89.9K
8.6K services$10.40/svc5.97x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$84.1K
1.5K services$55.83/svc2.92x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J0897Injection, denosumab, 1 mg104.5K$1.8M$16.982.48x
J9271Injection, pembrolizumab, 1 mg34.2K$1.5M$42.412.41x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj35.1K$1.3M$36.972.70x
J9173Injection, durvalumab, 10 mg15.6K$963.5K$61.762.59x
Q5120Injection, pegfilgrastim-bmez, biosimilar, (ziextenzo), 0.5 mg2.3K$491.9K$210.052.12x
99214Established patient office or other outpatient visit, 30-39 minutes5.2K$460.1K$88.882.67x
J9299Injection, nivolumab, 1 mg18.8K$437.6K$23.232.44x
J1439Injection, ferric carboxymaltose, 1 mg450.8K$399.4K$0.892.81x
96413Administration of chemotherapy into vein, 1 hour or less3.5K$345.0K$99.806.28x
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)129.5K$338.5K$2.623.03x
99215Established patient office or other outpatient visit, 40-54 minutes1.6K$210.8K$130.142.19x
J9217Leuprolide acetate (for depot suspension), 7.5 mg1.2K$169.4K$144.653.11x
Q5115Injection, rituximab-abbs, biosimilar, (truxima), 10 mg4.2K$143.6K$34.184.31x
74177Ct scan of abdomen and pelvis with contrast527$124.8K$236.822.66x
J3590Unclassified biologics40$123.0K$3.1K1.79x
J1449Injection, eflapegrastim-xnst, 0.1 mg4.5K$114.6K$25.461.92x
96367Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less5.0K$112.2K$22.494.45x
99205New patient office or other outpatient visit, 60-74 minutes719$111.4K$154.883.31x
80053Blood test, comprehensive group of blood chemicals8.6K$89.9K$10.405.97x
99213Established patient office or other outpatient visit, 20-29 minutes1.5K$84.1K$55.832.92x

Markup Analysis

Charge-to-Payment Ratio

2.98x

This provider submits charges 2.98 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.98x means for every $100 Medicare pays, this provider initially charges $298. This is higher than the national average.

Location

Aiken, SC

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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