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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. Nerses Tchekmedyian
๐ŸŽ—๏ธ
MDIndividual

Nerses Tchekmedyian, M.D.

NPI: 1821032129
Irvine, CA
10 years of data
Hematology-Oncology
$38.0M
Total Payments
32.3K
Beneficiaries
2.1M
Services
2x
Markup Ratio

Peer Comparison

99th
percentile in specialty
This provider$38.0M
Specialty median$339.6K
Rank #32 of 60 in specialty

๐Ÿ“‹ Key Findings

1Billed $38.0M over 10 years
22x markup ratio
399th percentile in Hematology-Oncology by payments
4823 services/day โ€” physically implausible
52 procedures with >3x markup

โš ๏ธ This provider averages 823 services per working day โ€” physically unusual for an individual practitioner

Based on 2.1M total services over 10 years (250 working days/year). Learn about impossible service volumes โ†’

๐Ÿ”Ž Data Analysis

This provider's $38.0M in total Medicare payments ranks in the 99th percentile of Hematology-Oncology providers nationally.

Averaging 823 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$58.73$18.463.18x$40.27$3.0M162.1K2.5K
2015$35.33$18.461.91x$16.87$4.2M226.8K3.6K
2016$47.05$18.462.55x$28.59$3.5M189.3K3.0K
2017$54.21$18.462.94x$35.75$4.4M238.7K3.7K
2018$34.09$18.461.85x$15.63$2.9M157.8K2.5K
2019$35.84$18.461.94x$17.38$3.2M172.4K2.7K
2020$70.28$18.463.81x$51.82$4.6M248.2K3.9K
2021$47.34$18.462.56x$28.88$4.8M260.0K4.1K
2022$44.71$18.462.42x$26.25$3.0M161.7K2.5K
2023$60.45$18.463.27x$41.99$4.5M241.6K3.8K

Top Procedures (10)

96413Chemotherapy administration, IV infusion, first hour
$12.5M
613.0K services$20.43/svc1.92x markup
96415Chemotherapy IV infusion, each additional hour
$4.7M
306.5K services$15.46/svc1.99x markup
99214Office/outpatient visit, moderate complexity
$3.3M
263.0K services$12.43/svc2.61x markup
85025Complete blood cell countโš  3.8x markup
$1.9M
80.4K services$23.96/svc3.80x markup
96365IV infusion for therapy, first hour
$1.7M
97.3K services$17.82/svc2.07x markup
36415Insertion of needle into vein
$1.7M
90.2K services$18.71/svc2.24x markup
96375Therapeutic IV push, each additional substance
$1.5M
42.0K services$36.09/svc2.31x markup
J9271Injection, pembrolizumab
$1.3M
35.4K services$35.59/svc1.08x markup
99215Office/outpatient visit, high complexity
$918.9K
35.0K services$26.24/svc2.26x markup
80053Comprehensive metabolic panelโš  4.4x markup
$827.4K
25.0K services$33.04/svc4.44x markup
Show detailed table โ–พ
CodeDescriptionServicesPaymentsAvg/ServiceMarkup
96413Chemotherapy administration, IV infusion, first hour613.0K$12.5M$20.431.92x
96415Chemotherapy IV infusion, each additional hour306.5K$4.7M$15.461.99x
99214Office/outpatient visit, moderate complexity263.0K$3.3M$12.432.61x
85025Complete blood cell count80.4K$1.9M$23.963.80x
96365IV infusion for therapy, first hour97.3K$1.7M$17.822.07x
36415Insertion of needle into vein90.2K$1.7M$18.712.24x
96375Therapeutic IV push, each additional substance42.0K$1.5M$36.092.31x
J9271Injection, pembrolizumab35.4K$1.3M$35.591.08x
99215Office/outpatient visit, high complexity35.0K$918.9K$26.242.26x
80053Comprehensive metabolic panel25.0K$827.4K$33.044.44x

Markup Analysis

Charge-to-Payment Ratio

2x

This provider submits charges 2 times higher than what Medicare actually pays.

What This Means

A markup ratio of 2x means for every $100 Medicare pays, this provider initially charges $200. This is lower than the national average.

Location

Irvine, CA

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 CA for peer comparison.

Nerses Tchekmedyian (you)
$38.0M
Luke Dreisbach, M.D.
$77.2M
Sachin Gupta, M.D.
$55.1M
Ravi Rao, MDโš ๏ธ
$49.1M
Michael Sherman, M.D., PHD
$38.9M
Kishore Sehgal, M.D.
$36.2M
Show detailed table โ–พ
ProviderLocationTotal PaymentsStatus
Luke Dreisbach, M.D.Rancho Mirage, CA$77.2Mโœ“ Clear
Sachin Gupta, M.D.Fresno, CA$55.1Mโœ“ Clear
Ravi Rao, MDFresno, CA$49.1Mโš ๏ธ Flagged
Michael Sherman, M.D., PHDWalnut Creek, CA$38.9Mโœ“ Clear
Kishore Sehgal, M.D.Hemet, CA$36.2Mโœ“ 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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