ALAN CHEN, M.D.
Gastroenterology Physician · BALTIMORE, MD
Individual Active NPI 1033539945
Medicare payment data Part B · 2024
| Year | Beneficiaries | Services | Submitted | Allowed | Paid |
|---|---|---|---|---|---|
| 2024 | 452 | 723 | $440,022 | $119,186 | $96,523 |
| 2023 | 482 | 707 | $398,567 | $111,904 | $87,892 |
| 2022 | 428 | 680 | $355,636 | $107,751 | $83,505 |
Top procedures (2024)
| HCPCS | Description | Services | Avg allowed | Avg paid |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 104 | $139 | $100 |
| 99204 | New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | 80 | $183 | $141 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 80 | $187 | $148 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 75 | $271 | $230 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 63 | $101 | $81 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 57 | $155 | $127 |
| 43235 | Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 47 | $110 | $89 |
| 99213 | Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 38 | $101 | $79 |
| 99203 | New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 35 | $122 | $87 |
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 31 | $201 | $201 |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | 24 | $191 | $155 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 24 | $187 | $187 |
Taxonomy & licensure
| Specialty | Code | Primary | License | State |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | ✓ | D0089536 | MD |
Medicare eligibility
- Part B
- Yes
- DME
- Yes
- Home health
- Yes
- Power mobility
- Yes
- Hospice
- Yes
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Source: NPPES (public domain) and CMS Medicare Physician & Other Practitioners data. Not affiliated with CMS, NPPES, or any government agency.