Statistical flag only — not an accusation of fraud
This provider's $34.7M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.
Medicare payments to this provider grew 26867% from 2014 to 2023.
This provider has been statistically flagged with a risk score of 70/100. Statistical flags are not accusations of fraud.
AI-generated analysis based on Medicare payment data.
Notable: Payments increased 3851% in 2023
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 | $247.09 | $103.33 | 2.39x | $143.76 | $117.6K | 1.1K | 6 |
| 2015 | $140.97 | $99.55 | 1.42x | $41.42 | $299.2K | 3.0K | 7 |
| 2016 | $252.27 | $100.40 | 2.51x | $151.87 | $154.5K | 1.5K | 9 |
| 2017 | $252.14 | $100.72 | 2.50x | $151.42 | $251.4K | 2.5K | 11 |
| 2018 | $244.95 | $95.34 | 2.57x | $149.61 | $232.6K | 2.4K | 11 |
| 2019 | $261.39 | $97.04 | 2.69x | $164.35 | $195.2K | 2.0K | 12 |
| 2020 | $208.30 | $91.18 | 2.28x | $117.12 | $219.5K | 2.4K | 22 |
| 2021 | $178.33 | $103.79 | 1.72x | $74.54 | $699.1K | 6.7K | 30 |
| 2022 | $149.46 | $82.68 | 1.81x | $66.78 | $802.5K | 9.7K | 33 |
| 2023 | $586.38 | $422.29 | 1.39x | $164.09 | $31.7M | 75.1K | 56 |
| Code | Description | Services | Payments | Avg/Service | Markup |
|---|---|---|---|---|---|
| Q4262 | Dual layer impax membrane, per square centimeter | 9.8K | $10.2M | $1.0K | 1.28x |
| Q4188 | Amnioarmor, per square centimeter | 10.8K | $8.1M | $744.17 | 1.28x |
| Q4281 | Barrera sl or barrera dl, per square centimeter | 4.0K | $4.8M | $1.2K | 1.28x |
| Q4236 | Carepatch, per square centimeter | 4.9K | $4.5M | $911.18 | 1.28x |
| 11042 | Removal of skin and tissue, 20.0 sq cm or less | 9.6K | $1.1M | $114.10 | 2.19x |
| 99233 | Follow-up hospital inpatient care per day, typically 35 minutes | 7.9K | $685.0K | $86.29 | 2.29x |
| 99348 | Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes | 10.6K | $668.8K | $63.35 | 2.37x |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 5.5K | $406.7K | $74.56 | 1.59x |
| 93925 | Ultrasound of leg arteries or artery grafts | 1.5K | $303.0K | $201.86 | 1.61x |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | 1.8K | $295.0K | $164.45 | 2.29x |
| 93975 | Complete ultrasound of abdomen and pelvis artery and vein blood flow | 1.1K | $260.8K | $240.11 | 1.45x |
| 93880 | Ultrasound of both sides of head and neck blood flow | 1.4K | $245.2K | $170.86 | 1.56x |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 1.7K | $235.8K | $142.48 | 1.98x |
| 93886 | Complete ultrasound of within the brain blood flow | 861 | $218.8K | $254.11 | 1.40x |
| 15271 | Application of skin substitute graft to wound of trunk, arms, or legs, 25.0 sq cm or less of wound 100.0 sq cm or less | 1.5K | $205.1K | $132.60 | 2.34x |
| 76770 | Complete ultrasound scan behind abdominal cavity | 2.0K | $202.0K | $100.96 | 1.70x |
| 76700 | Complete ultrasound scan of abdomen | 1.8K | $190.0K | $104.90 | 1.66x |
| 93306 | Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | 1.1K | $169.0K | $160.82 | 1.99x |
| 99239 | Hospital discharge day management, more than 30 minutes | 1.7K | $149.3K | $89.73 | 2.33x |
| 76881 | Complete ultrasound scan of joint | 3.0K | $142.7K | $47.25 | 3.75x |
This provider submits charges 1.44 times higher than what Medicare actually pays.
A markup ratio of 1.44x means for every $100 Medicare pays, this provider initially charges $144. This is lower 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 |
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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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