This provider's $3.5M in total Medicare payments ranks in the 97th 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.
Notable: Payments increased 57% 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 | $135.90 | $63.99 | 2.12x | $71.91 | $361.9K | 4.6K | 1.7K |
| 2015 | $142.96 | $67.91 | 2.11x | $75.05 | $337.9K | 4.3K | 1.6K |
| 2016 | $143.55 | $68.06 | 2.11x | $75.49 | $401.3K | 5.3K | 1.6K |
| 2017 | $151.25 | $71.70 | 2.11x | $79.55 | $382.4K | 5.0K | 1.6K |
| 2018 | $176.95 | $81.86 | 2.16x | $95.09 | $346.2K | 4.5K | 1.4K |
| 2019 | $162.10 | $78.09 | 2.08x | $84.01 | $327.5K | 4.5K | 1.2K |
| 2020 | $189.44 | $82.75 | 2.29x | $106.69 | $342.9K | 5.2K | 1.2K |
| 2021 | $163.95 | $72.39 | 2.26x | $91.56 | $278.5K | 4.0K | 748 |
| 2022 | $227.87 | $95.17 | 2.39x | $132.70 | $289.2K | 3.9K | 875 |
| 2023 | $257.31 | $99.76 | 2.58x | $157.55 | $453.3K | 5.3K | 2.0K |
| Code | Description | Services | Payments | Avg/Service | Markup |
|---|---|---|---|---|---|
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | 19.4K | $1.2M | $60.65 | 1.65x |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | 2.9K | $454.4K | $158.87 | 2.28x |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | 4.7K | $413.7K | $87.14 | 1.49x |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | 4.2K | $364.5K | $87.24 | 1.71x |
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | 1.6K | $291.4K | $182.79 | 1.87x |
| 90935 | Hemodialysis procedure with one physician evaluation | 4.1K | $246.0K | $60.39 | 2.50x |
| 99308 | Subsequent nursing facility visit, typically 15 minutes per day | 1.8K | $103.1K | $56.58 | 2.26x |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | 1.6K | $89.1K | $54.53 | 1.69x |
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 336 | $68.0K | $202.50 | 2.16x |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | 265 | $44.2K | $166.68 | 2.88x |
| 90962 | Dialysis services (1 physician visit per month), patient 20 years of age and older | 281 | $44.1K | $156.78 | 2.03x |
| 99309 | Subsequent nursing facility visit, typically 25 minutes per day | 623 | $42.1K | $67.61 | 2.96x |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | 267 | $33.4K | $124.96 | 1.56x |
| 99306 | Initial nursing facility visit, typically 45 minutes per day | 230 | $31.3K | $136.17 | 2.36x |
| 99239 | Hospital discharge day management, more than 30 minutes | 222 | $21.2K | $95.49 | 2.62x |
| 99215 | Established patient office or other outpatient, visit typically 40 minutes | 157 | $20.5K | $130.58 | 2.53x |
| G0439 | Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 125 | $15.6K | $124.90 | 1.80x |
| 90947 | Dialysis procedure requiring repeat evaluation | 124 | $13.2K | $106.83 | 4.68x |
| 99305 | Initial nursing facility visit, typically 35 minutes per day | 109 | $11.0K | $100.67 | 3.48x |
| 99222 | Initial hospital inpatient care, typically 50 minutes per day | 87 | $9.7K | $111.64 | 3.07x |
This provider submits charges 1.93 times higher than what Medicare actually pays.
A markup ratio of 1.93x means for every $100 Medicare pays, this provider initially charges $193. 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 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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