Medicare Billing by Year
| Year | Procedures | Beneficiaries | Services | Submitted | Medicare Paid |
|---|---|---|---|---|---|
| 2023 | 10 | 454 | 463 | $886,203 | $49,888 |
| 2022 | 11 | 489 | 501 | $927,000 | $52,170 |
| 2021 | 9 | 433 | 456 | $786,665 | $46,554 |
| 2020 | 12 | 392 | 426 | $640,405 | $44,317 |
All Medicare Procedures & Services
56 procedure records from CMS Medicare Utilization — Page 1 of 3
| HCPCS | Description | Setting | Year | Patients | Services | Charges | Medicare Paid | Ratio |
|---|---|---|---|---|---|---|---|---|
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Office | 2023 | 49 | 50 | $137,500 | $9,257 | 6.7% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Office | 2023 | 81 | 81 | $182,720 | $8,244 | 4.5% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2023 | 36 | 36 | $99,000 | $6,602 | 6.7% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2023 | 51 | 52 | $117,302 | $4,715 | 4.0% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Office | 2023 | 23 | 23 | $51,237 | $3,770 | 7.4% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 54 | 55 | $99,083 | $3,562 | 3.6% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 2023 | 15 | 15 | $33,416 | $2,513 | 7.5% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Office | 2023 | 41 | 44 | $79,266 | $2,498 | 3.2% |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Facility | 2023 | 25 | 25 | $12,765 | $2,423 | 19.0% |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2023 | 22 | 22 | $31,313 | $1,696 | 5.4% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Facility | 2023 | 13 | 13 | $30,290 | $1,545 | 5.1% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2023 | 18 | 21 | $4,584 | $1,421 | 31.0% |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | Office | 2023 | 14 | 14 | $4,404 | $933.65 | 21.2% |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Facility | 2023 | 12 | 12 | $3,324 | $709.68 | 21.4% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Office | 2022 | 126 | 127 | $279,654 | $13,098 | 4.7% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Office | 2022 | 55 | 56 | $154,000 | $10,103 | 6.6% |
| 45380 | Biopsy of large bowel using a flexible endoscope | Facility | 2022 | 60 | 60 | $127,906 | $6,152 | 4.8% |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Facility | 2022 | 24 | 24 | $66,000 | $4,548 | 6.9% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 45 | 46 | $79,090 | $3,661 | 4.6% |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | Office | 2022 | 22 | 22 | $45,025 | $3,567 | 7.9% |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Office | 2022 | 47 | 49 | $86,044 | $3,254 | 3.8% |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | Office | 2022 | 27 | 31 | $6,324 | $1,812 | 28.6% |
| 43255 | Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 11 | 11 | $23,650 | $1,535 | 6.5% |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Facility | 2022 | 18 | 18 | $23,705 | $1,367 | 5.8% |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | Office | 2022 | 11 | 11 | $25,630 | $1,261 | 4.9% |
About Dr. John Williams, M.D
Dr. John Williams, M.D is a Gastroenterology healthcare provider based in Madison, Wisconsin. This provider has been registered with the National Plan and Provider Enumeration System (NPPES) since 10/24/2006. The National Provider Identifier (NPI) number assigned to this provider is 1265516421.
As a Medicare-enrolled provider, Williams has provided services to 1,768 Medicare beneficiaries, totaling 1,846 services with total Medicare billing of $192,929. Data is available for 4 years (2020–2023), covering 56 distinct procedure/service records.
Practice Information
- Specialty Gastroenterology
- Location Madison, WI
- Active Since 10/24/2006
- Last Updated 01/27/2021
- Taxonomy Code 207RG0100X
- Entity Type Individual
- NPI Number 1265516421
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Data Sources
Provider data from NPPES. Payment data from CMS Open Payments. Medicare data from CMS Medicare Provider Utilization. All data is public and updated periodically.
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