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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. Daniel Ibach
๐ŸŽ—๏ธ
MDIndividual

Daniel Ibach, MD

NPI: 1619947876
Knoxville, TN
10 years of data
Hematology-Oncology
$26.4M
Total Payments
432
Beneficiaries
1.9M
Services
3.27x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$26.4M
Specialty median$339.6K

๐Ÿ“‹ Key Findings

1Billed $26.4M over 10 years
23.27x markup ratio (above median)
399th percentile in Hematology-Oncology by payments
4755 services/day โ€” physically implausible
5Payments surged 552% in 2016
610 procedures with >3x markup

โš ๏ธ This provider averages 755 services per working day โ€” physically unusual for an individual practitioner

Based on 1.9M 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 Hematology-Oncology providers nationally.

Averaging 755 services per working day raises questions about billing patterns.

Medicare payments to this provider grew 3088% from 2014 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 552% in 2016

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$109.36$26.544.12x$82.82$134.3K5.1K14
2015$104.30$25.214.14x$79.09$136.7K5.4K13
2016$36.78$10.813.40x$25.97$892.0K82.5K39
2017$34.72$12.342.81x$22.38$2.1M173.6K50
2018$35.37$11.663.03x$23.71$3.2M275.0K55
2019$48.95$16.362.99x$32.59$3.8M231.4K46
2020$51.72$16.813.08x$34.91$4.3M257.9K50
2021$37.25$11.373.28x$25.88$3.1M270.4K53
2022$48.90$13.103.73x$35.80$4.4M335.3K58
2023$60.38$17.113.53x$43.27$4.3M250.3K54

Top Procedures (20)

J9299Injection, nivolumab, 1 mg
$4.4M
197.7K services$22.36/svc2.61x markup
J9271Injection, pembrolizumab, 1 mg
$4.4M
107.0K services$41.18/svc2.67x markup
J2505Injection, pegfilgrastim, 6 mg
$3.3M
1.0K services$3.2K/svc2.88x markup
J0897Injection, denosumab, 1 mg
$2.6M
163.0K services$15.85/svc2.64x markup
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihjโš  4.0x markup
$1.2M
33.5K services$36.94/svc4.00x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$1.0M
12.7K services$80.42/svc2.56x markup
J1569Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mgโš  3.1x markup
$977.3K
27.5K services$35.57/svc3.12x markup
J9035Injection, bevacizumab, 10 mg
$860.4K
14.8K services$58.21/svc2.47x markup
J9310Injection, rituximab, 100 mg
$843.1K
1.3K services$672.85/svc1.89x markup
96413Administration of chemotherapy into vein, 1 hour or lessโš  4.9x markup
$605.1K
6.1K services$99.09/svc4.88x markup
J9312Injection, rituximab, 10 mg
$586.7K
7.9K services$74.46/svc2.95x 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
$537.9K
3.5K services$155.47/svc1.03x markup
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mgโš  7.6x markup
$426.9K
3.9K services$109.47/svc7.58x markup
Q0138Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use)โš  4.0x markup
$350.0K
481.4K services$0.73/svc4.00x markup
J1437Injection, ferric derisomaltose, 10 mgโš  3.6x markup
$324.4K
19.2K services$16.89/svc3.57x markup
Q5118Injection, bevacizumab-bvzr, biosimilar, (zirabev), 10 mgโš  5.4x markup
$322.9K
11.3K services$28.57/svc5.43x markup
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)โš  3.8x markup
$237.6K
85.5K services$2.78/svc3.78x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell countโš  8.1x markup
$236.7K
27.5K services$8.62/svc8.12x markup
80053Blood test, comprehensive group of blood chemicalsโš  6.9x markup
$206.3K
19.1K services$10.81/svc6.86x markup
J9264Injection, paclitaxel protein-bound particles, 1 mg
$190.7K
22.8K services$8.35/svc2.64x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9299Injection, nivolumab, 1 mg197.7K$4.4M$22.362.61x
J9271Injection, pembrolizumab, 1 mg107.0K$4.4M$41.182.67x
J2505Injection, pegfilgrastim, 6 mg1.0K$3.3M$3.2K2.88x
J0897Injection, denosumab, 1 mg163.0K$2.6M$15.852.64x
J9144Injection, daratumumab, 10 mg and hyaluronidase-fihj33.5K$1.2M$36.944.00x
99214Established patient office or other outpatient visit, 30-39 minutes12.7K$1.0M$80.422.56x
J1569Injection, immune globulin, (gammagard liquid), non-lyophilized, (e.g., liquid), 500 mg27.5K$977.3K$35.573.12x
J9035Injection, bevacizumab, 10 mg14.8K$860.4K$58.212.47x
J9310Injection, rituximab, 100 mg1.3K$843.1K$672.851.89x
96413Administration of chemotherapy into vein, 1 hour or less6.1K$605.1K$99.094.88x
J9312Injection, rituximab, 10 mg7.9K$586.7K$74.462.95x
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 participation3.5K$537.9K$155.471.03x
J2506Injection, pegfilgrastim, excludes biosimilar, 0.5 mg3.9K$426.9K$109.477.58x
Q0138Injection, ferumoxytol, for treatment of iron deficiency anemia, 1 mg (non-esrd use)481.4K$350.0K$0.734.00x
J1437Injection, ferric derisomaltose, 10 mg19.2K$324.4K$16.893.57x
Q5118Injection, bevacizumab-bvzr, biosimilar, (zirabev), 10 mg11.3K$322.9K$28.575.43x
J0881Injection, darbepoetin alfa, 1 microgram (non-esrd use)85.5K$237.6K$2.783.78x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count27.5K$236.7K$8.628.12x
80053Blood test, comprehensive group of blood chemicals19.1K$206.3K$10.816.86x
J9264Injection, paclitaxel protein-bound particles, 1 mg22.8K$190.7K$8.352.64x

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

Knoxville, TN

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 TN for peer comparison.

Daniel Ibach (you)
$26.4M
Ross Kerns, M.D.
$38.6M
Bradley Somer, MD
$36.3M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Ross Kerns, M.D.Knoxville, TN$38.6Mโœ“ Clear
Bradley Somer, MDGermantown, TN$36.3Mโœ“ 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.

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