This provider averages 59 services per working day
Based on 147.6K total services over 10 years (250 working days/year). Learn about impossible service volumes →
This provider's $12.4M in total Medicare payments ranks in the 99th percentile of Internal Medicine providers nationally.
Averaging 59 services per working day raises questions about billing patterns.
AI-generated analysis based on Medicare payment data.
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 | $293.88 | $115.67 | 2.54x | $178.21 | $1.7M | 21.6K | 3.3K |
| 2015 | $313.26 | $126.07 | 2.48x | $187.19 | $1.6M | 19.2K | 2.9K |
| 2016 | $319.89 | $129.06 | 2.48x | $190.83 | $1.7M | 21.0K | 3.0K |
| 2017 | $345.65 | $135.92 | 2.54x | $209.73 | $1.3M | 15.8K | 2.3K |
| 2018 | $368.57 | $136.37 | 2.70x | $232.20 | $973.6K | 12.1K | 1.6K |
| 2019 | $380.62 | $151.03 | 2.52x | $229.59 | $1.1M | 13.0K | 1.6K |
| 2020 | $335.00 | $135.91 | 2.46x | $199.09 | $1.4M | 14.2K | 1.7K |
| 2021 | $332.19 | $141.56 | 2.35x | $190.63 | $968.2K | 10.2K | 1.0K |
| 2022 | $347.50 | $137.48 | 2.53x | $210.02 | $881.9K | 10.4K | 870 |
| 2023 | $351.47 | $131.59 | 2.67x | $219.88 | $759.7K | 9.9K | 801 |
| Code | Description | Services | Payments | Avg/Service | Markup |
|---|---|---|---|---|---|
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | 76.3K | $6.0M | $78.67 | 1.27x |
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | 14.3K | $2.5M | $178.08 | 1.40x |
| 99307 | Subsequent nursing facility visit, typically 10 minutes per day | 29.0K | $1.0M | $35.49 | 2.11x |
| 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | 1.1K | $621.2K | $556.15 | 2.65x |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | 7.9K | $455.2K | $57.65 | 1.73x |
| 99222 | Initial hospital inpatient care, typically 50 minutes per day | 3.2K | $351.9K | $108.75 | 1.29x |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | 2.8K | $281.4K | $99.03 | 1.52x |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | 3.8K | $216.5K | $57.56 | 1.30x |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | 1.4K | $195.9K | $144.61 | 1.28x |
| 95810 | Sleep monitoring of patient (6 years or older) in sleep lab | 282 | $148.6K | $526.92 | 2.74x |
| 93925 | Ultrasound study of arteries and arterial grafts of both legs | 447 | $96.3K | $215.43 | 1.86x |
| 93306 | Ultrasound examination of heart including color-depicted blood flow rate, direction, and valve function | 455 | $70.5K | $154.90 | 5.81x |
| 93970 | Ultrasound scan of veins of both arms or legs including assessment of compression and functional maneuvers | 416 | $56.1K | $134.76 | 2.97x |
| 94729 | Measurement of lung diffusing capacity | 1.1K | $53.5K | $47.57 | 3.99x |
| 99308 | Subsequent nursing facility visit, typically 15 minutes per day | 970 | $52.1K | $53.72 | 1.42x |
| 94726 | Determination of lung volumes using plethysmography | 1.1K | $49.0K | $45.17 | 2.21x |
| 93880 | Ultrasound scanning of blood flow (outside the brain) on both sides of head and neck | 308 | $43.3K | $140.69 | 2.84x |
| 94727 | Determination of lung volumes using gas dilution or washout | 1.1K | $40.0K | $36.64 | 5.46x |
| G0181 | Physician supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician development and/or revision of c | 454 | $39.0K | $85.84 | 1.75x |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | 285 | $35.5K | $124.66 | 1.60x |
This provider submits charges 1.56 times higher than what Medicare actually pays.
A markup ratio of 1.56x means for every $100 Medicare pays, this provider initially charges $156. 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 |
| 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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