Medicare spending analysis for Nephrology providers
Nephrology accounts for $16.0B in Medicare payments across 86.3K providers.
The specialty's average markup of 2.9x is below the overall Medicare average of 3.77x.
AI-generated analysis based on Medicare payment data.
| Year | Payments | Services | Providers | YoY Change |
|---|---|---|---|---|
| 2014 | $1.7B | 33.0M | 7.9K | — |
| 2015 | $1.7B | 32.1M | 8.1K | +0.8% |
| 2016 | $1.7B | 31.6M | 8.3K | +1.9% |
| 2017 | $1.7B | 28.9M | 8.5K | -2.7% |
| 2018 | $1.7B | 27.8M | 8.6K | -0.3% |
| 2019 | $1.7B | 27.2M | 8.8K | +0.8% |
| 2020 | $1.6B | 23.3M | 8.9K | -4.9% |
| 2021 | $1.6B | 20.5M | 9.0K | -1.8% |
| 2022 | $1.4B | 18.0M | 9.1K | -13.0% |
| 2023 | $1.3B | 16.8M | 9.2K | -7.2% |
| # | Provider | State | Payments | Services | Avg/Service |
|---|---|---|---|---|---|
| 1 | Armistead Williams | NY | $6.7M | 178.7K | $37.65 |
| 2 | Feliciano Serrano | CA | $4.5M | 21.1K | $215.15 |
| 3 | Norbert Shtaynberg | NY | $3.9M | 63.0K | $61.46 |
| 4 | Freemu Varghese | TX | $2.0M | 101.9K | $20.09 |
| 5 | Lina Murad | MD | $1.7M | 2.4K | $708.91 |
| 6 | Jacob Ahdoot | CA | $1.7M | 18.2K | $91.63 |
| 7 | Kazi Khan | MD | $1.6M | 27.6K | $57.03 |
| 8 | Kamran Karimi | NY | $1.5M | 28.8K | $50.93 |
| 9 | Ashar Luqman | IA | $1.4M | 46.8K | $30.03 |
| 10 | Payam Shakouri | NY | $1.3M | 3.7K | $349.67 |
| 11 | Timothy Rogers | FL | $1.3M | 11.7K | $108.33 |
| 12 | David Namazy | CA | $1.2M | 2.1K | $579.64 |
| 13 | Abdul Khan | CA | $1.2M | 13.6K | $89.08 |
| 14 | Sanjeev Mittal | TN | $1.2M | 27.3K | $43.68 |
| 15 | Yakoub Katri | NY | $1.1M | 12.5K | $91.51 |
| 16 | Emmanuel Anekwe | TX | $1.1M | 5.1K | $215.29 |
| 17 | Ngozi Okoba | TX | $1.1M | 18.2K | $60.58 |
| 18 | Anton Cabellon | IN | $1.1M | 8.1K | $132.36 |
| 19 | John Niles | MA | $1.0M | 26.5K | $39.69 |
| 20 | Hardik Patel | SC | $1.0M | 21.9K | $46.37 |
| 21 | Ezra Israel | NY | $1.0M | 20.3K | $49.26 |
| 22 | Mark Bevan | NM | $946.0K | 18.5K | $51.25 |
| 23 | Karn Gupta | NC | $944.7K | 18.4K | $51.48 |
| 24 | Sandeep Sharma | PA | $900.7K | 26.5K | $34.05 |
| 25 | Nizar Eskandar | GA | $899.7K | 16.3K | $55.17 |
| Code | Description | Payments | Services | Avg/Service |
|---|---|---|---|---|
| 90960 | Dialysis services, 4 or more physician visits per month (20 years or older) | $295.6M | 1.1M | $278.83 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | $169.9M | 2.7M | $63.09 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | $149.7M | 1.9M | $80.91 |
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | $149.1M | 1.6M | $95.04 |
| 90961 | Dialysis services, 2-3 physician visits per month (20 years or older) | $77.9M | 335.5K | $232.11 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | $70.7M | 516.8K | $136.83 |
| 90966 | Home dialysis services per month (20 years or older) | $38.4M | 169.9K | $226.02 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | $37.6M | 331.0K | $113.48 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | $30.5M | 296.5K | $102.77 |
| 90935 | Hemodialysis procedure with physician evaluation | $25.3M | 445.5K | $56.74 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | $23.3M | 398.9K | $58.53 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | $18.3M | 155.1K | $117.79 |
| 36902 | Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | $18.2M | 34.2K | $532.70 |
| 99291 | Critical care, first 30-74 minutes | $14.5M | 84.5K | $171.69 |
| 90962 | Dialysis services, 1 physician visit per month (20 years or older) | $13.0M | 81.4K | $159.99 |
| 99205 | New patient office or other outpatient visit, 60-74 minutes | $9.9M | 62.0K | $159.22 |
| 99490 | Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | $7.5M | 165.5K | $45.18 |
| 36905 | Removal and/or dissolving of blood clot in hemodialysis circuit and balloon dilation of dialysis segment with imaging review by radiologist, with balloon tube | $4.9M | 4.1K | $1.2K |
| J2350 | Injection, ocrelizumab, 1 mg | $4.6M | 100.8K | $45.74 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | $4.3M | 115.2K | $37.64 |
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.