MARYLYN GRONDIN, M.D.
Gastroenterology Physician · PORTSMOUTH, NH
Individual Active NPI 1841266327
Medicare payment data Part B · 2024
| Year | Beneficiaries | Services | Submitted | Allowed | Paid |
|---|---|---|---|---|---|
| 2024 | 494 | 5,303 | $817,552 | $207,740 | $164,985 |
| 2023 | 455 | 4,460 | $721,784 | $180,293 | $145,332 |
| 2022 | 439 | 5,189 | $739,249 | $192,061 | $152,127 |
Top procedures (2024)
| HCPCS | Description | Services | Avg allowed | Avg paid |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 213 | $90 | $63 |
| G0105 | Colorectal cancer screening; colonoscopy on individual at high risk | 98 | $178 | $178 |
| 43239 | Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 78 | $68 | $48 |
| 45385 | Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 67 | $245 | $203 |
| 99203 | New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | 55 | $111 | $80 |
| 99214 | Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | 35 | $127 | $82 |
| G0121 | Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 30 | $178 | $178 |
| 45380 | Biopsy of large bowel using a flexible endoscope | 25 | $144 | $101 |
| 43249 | Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | 23 | $129 | $98 |
| 99441 | Telephone medical discussion with physician, 5-10 minutes | 20 | $56 | $29 |
| 45378 | Diagnostic exam of large bowel using a flexible endoscope | 19 | $162 | $121 |
| 99442 | Telephone medical discussion with physician, 11-20 minutes | 18 | $90 | $68 |
Taxonomy & licensure
| Specialty | Code | Primary | License | State |
|---|---|---|---|---|
| Gastroenterology Physician | 207RG0100X | ✓ | 8703 | NH |
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.