⚠️ This provider averages 570 services per working day — physically unusual for an individual practitioner
Based on 1.4M total services over 10 years (250 working days/year). Learn about impossible service volumes →
This provider's $24.8M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.
Their average markup ratio of 5.25x is significantly above the specialty median of 2.9x.
Averaging 570 services per working day raises questions about billing patterns.
Medicare payments to this provider grew 215% from 2014 to 2023.
AI-generated analysis based on Medicare payment data.
Notable: Payments increased 68% in 2018
Year-over-year payment surges can indicate changes in practice volume, new services, or billing pattern shifts.
Average per-service amounts submitted by the provider compared to what Medicare actually paid — the gap represents the markup.
| Year | Avg Submitted | Avg Paid | Markup Ratio | Gap per Service | Total Payments | Services | Beneficiaries |
|---|---|---|---|---|---|---|---|
| 2014 | $36.26 | $9.98 | 3.63x | $26.28 | $1.1M | 107.4K | 35 |
| 2015 | $92.46 | $12.14 | 7.62x | $80.32 | $1.4M | 118.4K | 38 |
| 2016 | $106.97 | $13.16 | 8.13x | $93.81 | $2.1M | 161.4K | 45 |
| 2017 | $111.54 | $14.57 | 7.66x | $96.97 | $1.5M | 103.8K | 37 |
| 2018 | $134.91 | $17.98 | 7.50x | $116.93 | $2.5M | 141.5K | 38 |
| 2019 | $140.26 | $20.70 | 6.78x | $119.56 | $3.6M | 175.7K | 40 |
| 2020 | $67.07 | $17.97 | 3.73x | $49.10 | $3.4M | 189.8K | 38 |
| 2021 | $77.71 | $23.28 | 3.34x | $54.43 | $2.8M | 119.5K | 32 |
| 2022 | $68.16 | $20.42 | 3.34x | $47.74 | $2.9M | 143.2K | 36 |
| 2023 | $67.75 | $20.64 | 3.28x | $47.11 | $3.4M | 163.5K | 43 |
| Code | Description | Services | Payments | Avg/Service | Markup |
|---|---|---|---|---|---|
| J9299 | Injection, nivolumab, 1 mg | 348.2K | $7.7M | $22.08 | 5.16x |
| J9271 | Injection, pembrolizumab, 1 mg | 130.1K | $5.1M | $39.53 | 4.64x |
| J2505 | Injection, pegfilgrastim, 6 mg | 481 | $1.5M | $3.1K | 5.64x |
| J0881 | Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 403.3K | $1.2M | $2.85 | 6.39x |
| 78816 | Nuclear medicine study whole body with ct scan | 856 | $1.1M | $1.3K | 4.73x |
| 78815 | Nuclear medicine study from skull base to mid-thigh with ct scan | 739 | $976.8K | $1.3K | 4.90x |
| J9298 | Injection, nivolumab and relatlimab-rmbw, 3 mg/1 mg | 6.2K | $891.4K | $142.84 | 3.16x |
| J0897 | Injection, denosumab, 1 mg | 51.5K | $756.9K | $14.68 | 6.01x |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 7.2K | $646.9K | $89.30 | 3.90x |
| J9999 | Not otherwise classified, antineoplastic drugs | 92 | $521.0K | $5.7K | 6.18x |
| J9228 | Injection, ipilimumab, 1 mg | 4.3K | $510.5K | $118.71 | 4.57x |
| J9310 | Injection, rituximab, 100 mg | 839 | $496.2K | $591.39 | 5.68x |
| 96413 | Administration of chemotherapy into vein, 1 hour or less | 3.9K | $465.9K | $118.89 | 5.59x |
| A9552 | Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 1.5K | $358.8K | $235.42 | 9.82x |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 1.9K | $240.0K | $125.77 | 3.81x |
| J9041 | Injection, bortezomib, 0.1 mg | 5.5K | $198.8K | $36.17 | 5.30x |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 1.1K | $178.3K | $167.11 | 5.00x |
| J1439 | Injection, ferric carboxymaltose, 1 mg | 198.0K | $168.8K | $0.85 | 20.62x |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 2.2K | $145.0K | $66.24 | 3.81x |
| 80053 | Blood test, comprehensive group of blood chemicals | 10.9K | $128.2K | $11.76 | 3.52x |
This provider submits charges 5.25 times higher than what Medicare actually pays.
A markup ratio of 5.25x means for every $100 Medicare pays, this provider initially charges $525. This is higher than the national average.
Always verify provider credentials and location before scheduling appointments. This data reflects Medicare payments and may not include all practice locations.
Other Internal Medicine providers in CA for peer comparison.
| Provider | Location | Total Payments | Status |
|---|---|---|---|
| Aaron Jeng, MD, MPH | San Gabriel, CA | $45.6M | ✓ Clear |
| Richard Park, M.D. | Granada Hills, CA | $34.7M | ⚠️ Flagged |
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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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