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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. Marshall Schreeder
๐ŸŽ—๏ธ
MDIndividual

Marshall Schreeder, M.D.

NPI: 1083693154
Huntsville, AL
10 years of data
Hematology-Oncology
$37.8M
Total Payments
656
Beneficiaries
2.9M
Services
3.27x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$37.8M
Specialty median$339.6K
Rank #35 of 60 in specialty

๐Ÿ“‹ Key Findings

1Billed $37.8M over 10 years
23.27x markup ratio (above median)
399th percentile in Hematology-Oncology by payments
41.1K services/day โ€” physically implausible
59 procedures with >3x markup

โš ๏ธ This provider averages 1.1K services per working day โ€” physically unusual for an individual practitioner

Based on 2.9M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $37.8M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 1.1K services per working day raises questions about billing patterns.

AI-generated analysis based on Medicare payment data.

Annual Medicare Payments

Annual Services Provided

Avg Payment per Service

Markup Ratio Over Time

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$32.38$10.872.98x$21.51$3.8M351.8K74
2015$30.12$10.382.90x$19.74$4.2M404.9K74
2016$31.50$10.562.98x$20.94$5.1M480.9K82
2017$32.00$9.903.23x$22.10$3.7M375.6K69
2018$48.42$16.073.01x$32.35$3.6M226.2K64
2019$48.76$15.103.23x$33.66$3.1M208.4K64
2020$43.14$11.893.63x$31.25$3.7M308.4K62
2021$62.57$17.673.54x$44.90$3.4M191.1K57
2022$75.09$20.433.68x$54.66$3.7M180.0K54
2023$89.00$24.143.69x$64.86$3.5M143.4K56

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mgโš  3.5x markup
$6.7M
164.6K services$40.63/svc3.45x markup
J2505Injection, pegfilgrastim, 6 mg
$4.4M
1.5K services$3.0K/svc1.98x markup
J9299Injection, nivolumab, 1 mgโš  3.6x markup
$3.8M
169.5K services$22.29/svc3.59x markup
J9310Injection, rituximab, 100 mg
$1.9M
3.2K services$609.96/svc1.64x markup
J0897Injection, denosumab, 1 mgโš  3.3x markup
$1.6M
111.0K services$14.08/svc3.28x markup
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mgโš  3.3x markup
$1.2M
40.4K services$30.48/svc3.28x markup
J9355Injection, trastuzumab, 10 mg
$1.2M
16.4K services$73.77/svc2.85x markup
99215Established patient office or other outpatient visit, 40-54 minutes
$1.1M
10.4K services$108.23/svc2.67x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$1.0M
12.7K services$82.07/svc2.56x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  3.2x markup
$932.8K
9.7K services$96.38/svc3.22x markup
J9035Injection, bevacizumab, 10 mg
$885.0K
16.6K services$53.32/svc1.94x 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
$870.5K
5.5K services$157.39/svc1.02x markup
J2353Injection, octreotide, depot form for intramuscular injection, 1 mg
$761.0K
5.8K services$131.88/svc1.45x markup
J9395Injection, fulvestrant, 25 mg
$645.8K
13.2K services$48.92/svc2.56x markup
J9264Injection, paclitaxel protein-bound particles, 1 mg
$637.7K
81.9K services$7.79/svc1.93x markup
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)โš  3.4x markup
$608.1K
209.1K services$2.91/svc3.44x markup
J9041Injection, bortezomib (velcade), 0.1 mgโš  3.3x markup
$538.6K
14.9K services$36.21/svc3.31x markup
J2469Injection, palonosetron hcl, 25 mcgโš  4.2x markup
$529.6K
41.6K services$12.73/svc4.19x markup
Q5122Injection, pegfilgrastim-apgf, biosimilar, (nyvepria), 0.5 mgโš  3.9x markup
$427.2K
2.1K services$201.15/svc3.90x markup
J9305Injection, pemetrexed, 10 mg
$417.7K
9.0K services$46.64/svc1.51x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg164.6K$6.7M$40.633.45x
J2505Injection, pegfilgrastim, 6 mg1.5K$4.4M$3.0K1.98x
J9299Injection, nivolumab, 1 mg169.5K$3.8M$22.293.59x
J9310Injection, rituximab, 100 mg3.2K$1.9M$609.961.64x
J0897Injection, denosumab, 1 mg111.0K$1.6M$14.083.28x
J1568Injection, immune globulin, (octagam), intravenous, non-lyophilized (e.g., liquid), 500 mg40.4K$1.2M$30.483.28x
J9355Injection, trastuzumab, 10 mg16.4K$1.2M$73.772.85x
99215Established patient office or other outpatient visit, 40-54 minutes10.4K$1.1M$108.232.67x
99214Established patient office or other outpatient visit, 30-39 minutes12.7K$1.0M$82.072.56x
96413Administration of chemotherapy into vein, 1 hour or less9.7K$932.8K$96.383.22x
J9035Injection, bevacizumab, 10 mg16.6K$885.0K$53.321.94x
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 a5.5K$870.5K$157.391.02x
J2353Injection, octreotide, depot form for intramuscular injection, 1 mg5.8K$761.0K$131.881.45x
J9395Injection, fulvestrant, 25 mg13.2K$645.8K$48.922.56x
J9264Injection, paclitaxel protein-bound particles, 1 mg81.9K$637.7K$7.791.93x
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)209.1K$608.1K$2.913.44x
J9041Injection, bortezomib (velcade), 0.1 mg14.9K$538.6K$36.213.31x
J2469Injection, palonosetron hcl, 25 mcg41.6K$529.6K$12.734.19x
Q5122Injection, pegfilgrastim-apgf, biosimilar, (nyvepria), 0.5 mg2.1K$427.2K$201.153.90x
J9305Injection, pemetrexed, 10 mg9.0K$417.7K$46.641.51x

Markup Analysis

Charge-to-Payment Ratio

3.27x

This provider submits charges 3.27 times higher than what Medicare actually pays.

What This Means

A markup ratio of 3.27x means for every $100 Medicare pays, this provider initially charges $327. This is higher than the national average.

Location

Huntsville, AL

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 AL for peer comparison.

Marshall Schreeder (you)
$37.8M
John Waples, M.D.โš ๏ธ
$76.5M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
John Waples, M.D.Huntsville, AL$76.5Mโš ๏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