Medicare spending analysis for Ambulatory Surgical Center providers
Ambulatory Surgical Center accounts for $32.8B in Medicare payments across 50.0K providers.
The specialty's average markup of 6.1x is above the overall Medicare average of 3.77x.
This high markup suggests significant gaps between what providers charge and what Medicare pays.
AI-generated analysis based on Medicare payment data.
| Year | Payments | Services | Providers | YoY Change |
|---|---|---|---|---|
| 2014 | $2.5B | 6.3M | 4.8K | — |
| 2015 | $2.6B | 6.3M | 4.8K | +5.2% |
| 2016 | $2.9B | 6.7M | 4.8K | +9.9% |
| 2017 | $3.1B | 7.0M | 4.9K | +7.1% |
| 2018 | $3.3B | 7.2M | 5.0K | +6.6% |
| 2019 | $3.5B | 10.5M | 5.1K | +7.3% |
| 2020 | $3.1B | 14.3M | 5.1K | -12.2% |
| 2021 | $3.7B | 22.6M | 5.1K | +20.2% |
| 2022 | $3.9B | 25.6M | 5.1K | +4.2% |
| 2023 | $4.3B | 19.5M | 5.4K | +10.9% |
| Code | Description | Payments | Services | Avg/Service |
|---|---|---|---|---|
| 66984 | Removal of cataract with insertion of prosthetic lens | $980.8M | 1.2M | $833.62 |
| 27447 | Replacement of knee joint, both sides of knee | $260.4M | 37.0K | $7.0K |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | $223.1M | 493.1K | $452.49 |
| 63685 | Insertion of spinal neurostimulator generator or receiver | $213.1M | 11.4K | $18.7K |
| 45380 | Biopsy of large bowel using a flexible endoscope | $156.7M | 426.7K | $367.36 |
| 63650 | Insertion of spinal neurostimulator electrode array through skin | $133.0M | 35.3K | $3.8K |
| 27130 | Replacement of thigh bone and hip joint with prosthesis | $124.9M | 17.3K | $7.2K |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | $113.7M | 468.9K | $242.48 |
| 64483 | Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | $78.5M | 262.7K | $298.69 |
| 66991 | Extracapsular removal of cataract with insertion of artificial lens and insertion of drainage device in front chamber of eye | $78.0M | 30.6K | $2.6K |
| 66982 | Complex removal of cataract with insertion of prosthetic lens | $69.7M | 82.7K | $842.88 |
| 64590 | Insertion of peripheral or gastric neurostimulator generator | $65.7M | 4.5K | $14.4K |
| J1097 | Phenylephrine 10.16 mg/ml and ketorolac 2.88 mg/ml ophthalmic irrigation solution, 1 ml | $64.9M | 853.5K | $76.04 |
| 64635 | Destruction of lower or sacral spinal facet joint nerves using imaging guidance, single facet joint | $63.3M | 116.9K | $541.35 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | $62.7M | 149.8K | $418.47 |
| 36902 | Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | $54.8M | 30.1K | $1.8K |
| 64493 | Injection of lower or sacral spine facet joint using imaging guidance, single level | $52.2M | 193.5K | $269.62 |
| 29827 | Repair of shoulder rotator cuff using an endoscope | $46.9M | 24.2K | $1.9K |
| 66821 | Removal of recurring cataract in lens capsule using a laser | $46.4M | 235.1K | $197.32 |
| 64561 | Insertion of sacral nerve neurostimulator electrode array | $43.5M | 11.7K | $3.7K |
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.