This provider's $4.6M in total Medicare payments ranks in the 98th percentile of Nephrology providers nationally.
This provider's billing patterns fall within normal ranges for their specialty.
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 | $357.67 | $100.28 | 3.57x | $257.39 | $473.5K | 4.5K | 1.8K |
| 2015 | $345.75 | $96.77 | 3.57x | $248.98 | $453.7K | 4.4K | 1.7K |
| 2016 | $407.86 | $103.67 | 3.93x | $304.19 | $462.3K | 4.3K | 1.6K |
| 2017 | $363.57 | $92.76 | 3.92x | $270.81 | $489.0K | 4.5K | 1.6K |
| 2018 | $375.47 | $92.65 | 4.05x | $282.82 | $452.1K | 4.2K | 1.6K |
| 2019 | $385.93 | $96.10 | 4.02x | $289.83 | $494.2K | 4.7K | 1.6K |
| 2020 | $333.68 | $87.74 | 3.80x | $245.94 | $467.0K | 4.3K | 1.6K |
| 2021 | $450.92 | $118.67 | 3.80x | $332.25 | $441.5K | 3.7K | 1.5K |
| 2022 | $400.67 | $101.25 | 3.96x | $299.42 | $444.5K | 3.9K | 1.4K |
| 2023 | $477.00 | $115.90 | 4.12x | $361.10 | $431.3K | 3.7K | 1.3K |
| Code | Description | Services | Payments | Avg/Service | Markup |
|---|---|---|---|---|---|
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 7.9K | $1.6M | $205.19 | 4.17x |
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | 11.3K | $674.1K | $59.43 | 3.58x |
| 90962 | Dialysis services (1 physician visit per month), patient 20 years of age and older | 3.4K | $534.5K | $156.97 | 4.30x |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | 4.2K | $352.7K | $84.96 | 3.63x |
| 90966 | Home dialysis services per month, patient 20 years of age or older | 1.7K | $342.2K | $205.13 | 4.12x |
| 90935 | Hemodialysis procedure with one physician evaluation | 5.6K | $332.6K | $59.40 | 4.39x |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | 2.0K | $320.3K | $161.91 | 3.61x |
| 99222 | Initial hospital inpatient care, typically 50 minutes per day | 1.1K | $117.8K | $110.37 | 3.67x |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | 1.8K | $97.9K | $54.76 | 3.74x |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | 530 | $67.0K | $126.45 | 3.73x |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | 652 | $55.4K | $84.99 | 3.51x |
| 90945 | Dialysis procedure including one evaluation | 402 | $28.3K | $70.38 | 3.74x |
| 99203 | New patient office or other outpatient visit, typically 30 minutes | 268 | $22.0K | $82.27 | 3.72x |
| 99231 | Subsequent hospital inpatient care, typically 15 minutes per day | 612 | $19.6K | $31.96 | 3.57x |
| 99442 | Physician telephone patient service, 11-20 minutes of medical discussion | 83 | $5.1K | $60.95 | 1.30x |
| 96372 | Injection beneath the skin or into muscle for therapy, diagnosis, or prevention | 318 | $4.8K | $14.98 | 4.81x |
| 99202 | New patient office or other outpatient visit, typically 20 minutes | 41 | $2.4K | $58.78 | 3.42x |
| J0885 | Injection, epoetin alfa, (for non-esrd use), 1000 units | 203 | $1.9K | $9.54 | 3.57x |
| 99443 | Physician telephone patient service, 21-30 minutes of medical discussion | 13 | $1.1K | $86.91 | 1.31x |
| Q5106 | Injection, epoetin alfa-epbx, biosimilar, (retacrit) (for non-esrd use), 1000 units | 93 | $594.56 | $6.39 | 3.60x |
This provider submits charges 3.98 times higher than what Medicare actually pays.
A markup ratio of 3.98x means for every $100 Medicare pays, this provider initially charges $398. 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 Nephrology providers in CA for peer comparison.
| Provider | Location | Total Payments | Status |
|---|---|---|---|
| Feliciano Serrano, M.D. | Huntington Park, CA | $45.3M | ✓ 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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