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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. Kenneth Nahum
๐ŸŽ—๏ธ
DOIndividual

Kenneth Nahum, D.O.

NPI: 1922079904
Howell, NJ
10 years of data
Hematology-Oncology
$22.0M
Total Payments
396
Beneficiaries
2.9M
Services
2.65x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$22.0M
Specialty median$339.6K

๐Ÿ“‹ Key Findings

1Billed $22.0M over 10 years
22.65x markup ratio (above median)
3Risk score: 68 โ€” flagged for review
499th percentile in Hematology-Oncology by payments
51.2K services/day โ€” physically implausible
6Payments surged 91% in 2021

โš ๏ธ Flagged for Review

Risk Score: 68
  • 50x specialty median spending
  • Markup 19.2x (specialty median: 4.0x)
  • 13x specialty median beneficiaries
  • 282x specialty median services
View Deep Dives โ†’Report Fraud โ†’

Statistical flag only โ€” not an accusation of fraud

โš ๏ธ This provider averages 1.2K 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 $22.0M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 1.2K services per working day raises questions about billing patterns.

Medicare payments to this provider grew 126% 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 91% in 2021

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$12.90$7.221.79x$5.68$1.4M198.2K39
2015$11.35$6.251.82x$5.10$1.7M271.1K42
2016$10.93$4.662.35x$6.27$1.6M336.5K39
2017$14.08$5.752.45x$8.33$1.9M324.4K38
2018$16.21$6.172.63x$10.04$2.2M362.0K42
2019$17.41$6.522.67x$10.89$2.1M322.9K36
2020$22.51$8.602.62x$13.91$1.9M216.4K41
2021$21.53$8.542.52x$12.99$3.5M415.2K39
2022$31.95$11.392.81x$20.56$2.5M215.6K39
2023$51.95$13.733.78x$38.22$3.2M236.0K41

Top Procedures (20)

J9271Injection, pembrolizumab, 1 mg
$4.2M
99.9K services$41.61/svc2.51x markup
J2505Injection, pegfilgrastim, 6 mg
$2.1M
702 services$3.0K/svc1.96x markup
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units
$1.6M
170.9K services$9.27/svc2.81x markup
J9299Injection, nivolumab, 1 mg
$1.6M
66.8K services$23.29/svc2.73x markup
99214Established patient office or other outpatient visit, 30-39 minutes
$1.5M
16.4K services$93.10/svc2.44x 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
$1.2M
7.5K services$158.13/svc1.01x markup
96413Administration of chemotherapy into vein, 1 hour or less
$1.0M
8.3K services$122.67/svc2.70x markup
J0897Injection, denosumab, 1 mg
$929.2K
57.5K services$16.15/svc2.71x markup
99213Established patient office or other outpatient visit, 20-29 minutes
$775.2K
12.8K services$60.46/svc2.57x markup
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes
$577.0K
9.5K services$60.81/svc2.52x markup
J9310Injection, rituximab, 100 mg
$544.8K
847 services$643.25/svc2.03x markup
J1442Injection, filgrastim (g-csf), excludes biosimilars, 1 microgram
$470.0K
602.0K services$0.78/svc2.29x markup
J9355Injection, trastuzumab, 10 mg
$440.2K
5.8K services$75.27/svc2.42x markup
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count
$364.9K
39.9K services$9.14/svc2.68x markup
Q5101Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgramโš  4.6x markup
$330.8K
814.7K services$0.41/svc4.56x markup
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes
$326.1K
2.0K services$164.44/svc2.59x markup
96367Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less
$290.6K
10.9K services$26.72/svc2.78x markup
J1437Injection, ferric derisomaltose, 10 mgโš  3.2x markup
$278.8K
15.6K services$17.87/svc3.21x markup
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mgโš  5.2x markup
$252.6K
8.2K services$30.87/svc5.17x markup
J0185Injection, aprepitant, 1 mgโš  3.9x markup
$221.8K
154.7K services$1.43/svc3.89x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
J9271Injection, pembrolizumab, 1 mg99.9K$4.2M$41.612.51x
J2505Injection, pegfilgrastim, 6 mg702$2.1M$3.0K1.96x
J0885Injection, epoetin alfa, (for non-esrd use), 1000 units170.9K$1.6M$9.272.81x
J9299Injection, nivolumab, 1 mg66.8K$1.6M$23.292.73x
99214Established patient office or other outpatient visit, 30-39 minutes16.4K$1.5M$93.102.44x
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 a7.5K$1.2M$158.131.01x
96413Administration of chemotherapy into vein, 1 hour or less8.3K$1.0M$122.672.70x
J0897Injection, denosumab, 1 mg57.5K$929.2K$16.152.71x
99213Established patient office or other outpatient visit, 20-29 minutes12.8K$775.2K$60.462.57x
99232Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes9.5K$577.0K$60.812.52x
J9310Injection, rituximab, 100 mg847$544.8K$643.252.03x
J1442Injection, filgrastim (g-csf), excludes biosimilars, 1 microgram602.0K$470.0K$0.782.29x
J9355Injection, trastuzumab, 10 mg5.8K$440.2K$75.272.42x
85025Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count39.9K$364.9K$9.142.68x
Q5101Injection, filgrastim-sndz, biosimilar, (zarxio), 1 microgram814.7K$330.8K$0.414.56x
99223Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes2.0K$326.1K$164.442.59x
96367Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less10.9K$290.6K$26.722.78x
J1437Injection, ferric derisomaltose, 10 mg15.6K$278.8K$17.873.21x
Q5119Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg8.2K$252.6K$30.875.17x
J0185Injection, aprepitant, 1 mg154.7K$221.8K$1.433.89x

Markup Analysis

Charge-to-Payment Ratio

2.65x

This provider submits charges 2.65 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2.65x means for every $100 Medicare pays, this provider initially charges $265. This is higher than the national average.

Location

Howell, NJ

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 NJ for peer comparison.

Kenneth Nahum (you)
$22.0M
Bhavesh Balar, MDโš ๏ธ
$36.9M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Bhavesh Balar, MDFreehold, NJ$36.9Mโš ๏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