OpenMedicare
Start Here
Explore
Fraud
Investigations
Data
Tools
About

Footer

OpenMedicare

Independent Medicare data journalism

Sister Sites

  • OpenMedicaid
  • OpenFeds
  • OpenSpending

Explore

  • Providers
  • Procedures
  • States
  • Specialties
  • Search

Fraud Analysis

  • Still Out There (AI)
  • Fraud Overview
  • Fraud Watchlist
  • Deep Dive Profiles
  • Impossible Numbers
  • Report Fraud

Investigations

  • The Algorithm Knows
  • How We Built the Model
  • Internal Medicine Crisis
  • Florida & California Fraud
  • Million Dollar Flagged
  • All Investigations

Tools

  • Provider Lookup
  • Compare
  • Cost Calculator
  • Your Medicare Dollar
  • Downloads

About

  • About OpenMedicare
  • Methodology
  • Glossary
  • Data Sources
  • API Docs
  • Updates
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. Charles Butler
๐ŸŽ—๏ธ
MDIndividual

Charles Butler, M.D.

NPI: 1881725364
Columbia, SC
10 years of data
Medical Oncology
$26.4M
Total Payments
588
Beneficiaries
2.3M
Services
3.63x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$26.4M
Specialty median$262.8K

๐Ÿ“‹ Key Findings

1Billed $26.4M over 10 years
23.63x markup ratio (above median)
3Risk score: 68 โ€” flagged for review
499th percentile in Medical Oncology by payments
5926 services/day โ€” physically implausible
6Payments surged 74% in 2018

โš ๏ธ Flagged for Review

Risk Score: 68
  • 82x specialty median spending
  • Markup 11.2x (specialty median: 4.3x)
  • 31x specialty median beneficiaries
  • 500x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 926 services per working day โ€” physically unusual for an individual practitioner

Based on 2.3M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $26.4M in total Medicare payments ranks in the 99th percentile of Medical Oncology providers nationally.

Averaging 926 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 103% 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 74% 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$50.56$13.193.83x$37.37$1.8M140.2K61
2015$42.43$10.434.07x$32.00$1.9M183.7K61
2016$33.24$8.134.09x$25.11$2.5M306.7K57
2017$40.94$9.414.35x$31.53$1.8M193.2K60
2018$51.83$14.683.53x$37.15$3.2M215.6K62
2019$41.39$12.113.42x$29.28$2.9M237.2K58
2020$42.25$12.483.39x$29.77$3.3M260.7K59
2021$35.84$9.793.66x$26.05$2.4M242.1K56
2022$37.90$10.683.55x$27.22$2.9M269.7K61
2023$44.10$14.053.14x$30.05$3.8M267.0K53

Top Procedures (20)

J2505Injection, pegfilgrastim, 6 mg
$4.6M
1.5K services$3.1K/svc2.39x markup
J9271Injection, pembrolizumab, 1 mg
$4.1M
99.8K services$40.71/svc2.28x markup
J0897Injection, denosumab, 1 mg
$3.1M
219.4K services$13.95/svc2.96x markup
J9299Injection, nivolumab, 1 mg
$2.4M
112.0K services$21.77/svc2.68x markup
J9041Injection, bortezomib, 0.1 mg
$1.2M
35.4K services$32.71/svc2.39x markup
J9217Leuprolide acetate (for depot suspension), 7.5 mgโš  9.8x markup
$909.4K
5.7K services$159.63/svc9.77x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$826.6K
16.5K services$50.24/svc1.88x markup
J9310Injection, rituximab, 100 mg
$757.0K
1.2K services$610.98/svc2.43x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj
$620.4K
16.4K services$37.88/svc2.11x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$599.8K
7.2K services$83.43/svc1.56x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  3.6x markup
$551.1K
5.6K services$98.14/svc3.57x markup
J1439Injection, ferric carboxymaltose, 1 mgโš  3.1x markup
$410.2K
480.8K services$0.85/svc3.11x markup
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)โš  4.1x markup
$403.6K
133.2K services$3.03/svc4.11x markup
78815Nuclear medicine study from skull base to mid-thigh with ct scanโš  4.7x markup
$332.3K
485 services$685.14/svc4.71x markup
74177Ct scan of abdomen and pelvis with contrastโš  12.0x markup
$320.3K
2.0K services$162.12/svc12.00x markup
J1627Injection, granisetron, extended-release, 0.1 mgโš  3.2x markup
$317.3K
85.3K services$3.72/svc3.23x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell countโš  4.0x markup
$267.1K
30.4K services$8.79/svc3.98x markup
J9035Injection, bevacizumab, 10 mg
$241.9K
4.7K services$51.69/svc2.66x markup
80048Blood test, basic group of blood chemicals (calcium, total)โš  6.9x markup
$234.6K
28.4K services$8.26/svc6.90x markup
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mgโš  5.1x markup
$226.1K
1.9K services$120.75/svc5.09x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J2505Injection, pegfilgrastim, 6 mg1.5K$4.6M$3.1K2.39x
J9271Injection, pembrolizumab, 1 mg99.8K$4.1M$40.712.28x
J0897Injection, denosumab, 1 mg219.4K$3.1M$13.952.96x
J9299Injection, nivolumab, 1 mg112.0K$2.4M$21.772.68x
J9041Injection, bortezomib, 0.1 mg35.4K$1.2M$32.712.39x
J9217Leuprolide acetate (for depot suspension), 7.5 mg5.7K$909.4K$159.639.77x
99213Established patient office or other outpatient visit, 20-29 minutes16.5K$826.6K$50.241.88x
J9310Injection, rituximab, 100 mg1.2K$757.0K$610.982.43x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj16.4K$620.4K$37.882.11x
99214Established patient office or other outpatient visit, 30-39 minutes7.2K$599.8K$83.431.56x
96413Administration of chemotherapy into vein, 1 hour or less5.6K$551.1K$98.143.57x
J1439Injection, ferric carboxymaltose, 1 mg480.8K$410.2K$0.853.11x
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)133.2K$403.6K$3.034.11x
78815Nuclear medicine study from skull base to mid-thigh with ct scan485$332.3K$685.144.71x
74177Ct scan of abdomen and pelvis with contrast2.0K$320.3K$162.1212.00x
J1627Injection, granisetron, extended-release, 0.1 mg85.3K$317.3K$3.723.23x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count30.4K$267.1K$8.793.98x
J9035Injection, bevacizumab, 10 mg4.7K$241.9K$51.692.66x
80048Blood test, basic group of blood chemicals (calcium, total)28.4K$234.6K$8.266.90x
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mg1.9K$226.1K$120.755.09x

Markup Analysis

Charge-to-Payment Ratio

3.63x

This provider submits charges 3.63 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.63x means for every $100 Medicare pays, this provider initially charges $363. This is higher than the national average.

Location

Columbia, SC

Provider Verification

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

Related

Browse
โ† Back to Provider Directory
State
All providers in SC โ†’
Specialty
All Medical Oncology providers โ†’
Tool
Compare this provider โ†’
Analysis
Fraud Watchlist โ†’
Search
Search all providers โ†’

Share This Provider

Share this provider's Medicare payment information

Share:

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