Quick answers
- Does Marisa S. Kesselman accept Medicare assignment?
- Yes. Medicare's clinician data says Marisa S. Kesselman accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Marisa S. Kesselman see?
- In 2024, CMS data shows 65 Original Medicare patients and 89 services for Marisa S. Kesselman. This counts Original Medicare only and measures volume, not quality.
- What is Marisa S. Kesselman's NPI number?
- 1881629269. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marisa S. Kesselman, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 65 |
|---|---|
| Services billed to Medicare | 89 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)24 services
- Biopsy of large bowel using a flexible endoscope (45380)17 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)16 services
- Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk (G0121)13 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- High blood pressure68%
- Arthritis58%
- Anxiety31%
- Osteoporosis31%
- Ischemic heart disease29%
Practice locations
Addresses where Marisa S. Kesselman is enrolled with Medicare (CMS data updated October 2, 2026).
- 601 University BlvdJupiter, FL 33458 (561) 434‑0060
- 6135 Lake Worth Rd, Suite 100Greenacres, FL 33463 (561) 434‑0060
Group practices
Medicare enrollment lists Marisa S. Kesselman as a member of this group (CMS data updated October 2, 2026).
- Gastro Health, LLC247 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Jupiter
Clinicians with the same Medicare primary specialty in Jupiter, FL — not a recommendation.
Other clinicians in Gastro Health, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1985 (41 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1881629269 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians