This provider averages 69 services per working day
Based on 171.4K total services over 10 years (250 working days/year). Learn about impossible service volumes →
This provider's $15.6M in total Medicare payments ranks in the 99th percentile of Nephrology providers nationally.
Averaging 69 services per working day raises questions about billing patterns.
Medicare payments to this provider grew 120% from 2014 to 2023.
AI-generated analysis based on Medicare payment data.
Notable: Payments increased 58% in 2020
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 | $333.64 | $144.31 | 2.31x | $189.33 | $756.1K | 6.3K | 1.7K |
| 2015 | $276.54 | $127.08 | 2.18x | $149.46 | $1.1M | 10.0K | 2.4K |
| 2016 | $265.41 | $121.57 | 2.18x | $143.84 | $1.5M | 16.3K | 3.9K |
| 2017 | $304.99 | $130.33 | 2.34x | $174.66 | $1.5M | 19.0K | 4.2K |
| 2018 | $280.62 | $115.29 | 2.43x | $165.33 | $1.3M | 17.1K | 4.5K |
| 2019 | $217.24 | $92.99 | 2.34x | $124.25 | $1.3M | 16.7K | 4.7K |
| 2020 | $228.49 | $139.33 | 1.64x | $89.16 | $2.0M | 20.8K | 5.9K |
| 2021 | $240.82 | $140.26 | 1.72x | $100.56 | $2.7M | 28.1K | 6.2K |
| 2022 | $240.72 | $137.31 | 1.75x | $103.41 | $1.9M | 19.1K | 5.2K |
| 2023 | $242.04 | $120.36 | 2.01x | $121.68 | $1.7M | 18.2K | 5.1K |
| Code | Description | Services | Payments | Avg/Service | Markup |
|---|---|---|---|---|---|
| 99232 | Subsequent hospital inpatient care, typically 25 minutes per day | 90.0K | $6.2M | $68.40 | 1.46x |
| 99233 | Subsequent hospital inpatient care, typically 35 minutes per day | 52.3K | $5.1M | $97.62 | 1.24x |
| 99222 | Initial hospital inpatient care, typically 50 minutes per day | 14.7K | $1.9M | $127.27 | 1.77x |
| 99223 | Initial hospital inpatient care, typically 70 minutes per day | 7.9K | $1.4M | $180.15 | 1.66x |
| 90960 | Dialysis services (4 or more physician visits per month), patient 20 years of age and older | 1.4K | $337.4K | $241.85 | 3.10x |
| 99291 | Critical care delivery critically ill or injured patient, first 30-74 minutes | 1.4K | $275.5K | $191.56 | 1.57x |
| 90962 | Dialysis services (1 physician visit per month), patient 20 years of age and older | 694 | $111.7K | $160.94 | 2.49x |
| 90961 | Dialysis services (2-3 physician visits per month), patient 20 years of age and older | 495 | $100.8K | $203.66 | 2.95x |
| 99214 | Established patient office or other outpatient, visit typically 25 minutes | 684 | $61.7K | $90.18 | 1.66x |
| 99309 | Subsequent nursing facility visit, typically 25 minutes per day | 468 | $42.4K | $90.54 | 1.13x |
| 99310 | Subsequent nursing facility visit, typically 35 minutes per day | 330 | $41.2K | $124.83 | 1.19x |
| 99204 | New patient office or other outpatient visit, typically 45 minutes | 188 | $26.3K | $139.66 | 1.79x |
| 99306 | Initial nursing facility visit, typically 45 minutes per day | 115 | $18.0K | $156.93 | 1.59x |
| 99305 | Initial nursing facility visit, typically 35 minutes per day | 128 | $17.6K | $137.43 | 1.31x |
| 99213 | Established patient office or other outpatient visit, typically 15 minutes | 288 | $17.6K | $61.00 | 1.64x |
| 90935 | Hemodialysis procedure with one physician evaluation | 179 | $11.2K | $62.56 | 6.39x |
| 99231 | Subsequent hospital inpatient care, typically 15 minutes per day | 109 | $3.6K | $32.97 | 2.88x |
| 99308 | Subsequent nursing facility visit, typically 15 minutes per day | 39 | $2.3K | $59.27 | 1.63x |
| 99221 | Initial hospital inpatient care, typically 30 minutes per day | 26 | $2.2K | $84.21 | 2.55x |
This provider submits charges 1.5 times higher than what Medicare actually pays.
A markup ratio of 1.5x means for every $100 Medicare pays, this provider initially charges $150. 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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