Sherman Chamberlain, MD
NPI 1104936855ActiveIndividual· Internal Medicine, Gastroenterology· West Palm Beach, FL
Internal Medicine, Gastroenterology (MD) in West Palm Beach, Florida, trained at Harvard Medical School (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $443,515 for 1,728 claims, against $144,770 paid for services in 2024. Janssen Biotech, Inc. was the largest of 14 companies reporting payments in 2025, $750.06 in all, mostly food and beverage.
Overview
| NPI | 1104936855 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 30, 2006 |
| Last updated in NPPES | Aug 26, 2026 |
| Certified by provider | Aug 26, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME144512 | FL |
| Internal Medicine, Gastroenterology | 207RG0100X | 054596 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (FL); Practitioner - Gastroenterology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 553 |
|---|---|
| Services billed | 1,547 across 43 procedure codes |
| Paid by Medicare | $144,770 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,728 · 2,815 30-day fills |
|---|---|
| Patients | 616 |
| Total drug cost | $443,515 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliations
- Boca Raton Regional HospitalBoca Raton, FL
- Delray Medical CenterDelray Beach, FL
- Good Samaritan Medical CenterWest Palm Beach, FL
Industry payments (Open Payments)
- 2025$750.06 · 33 payments from 14 companies
- 2024$533.75 · 28 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $180.78 | 6 |
| Pfizer Inc. | $104.41 | 6 |
| Abbvie Inc. | $73.87 | 4 |
| Novo Nordisk Inc | $67.90 | 3 |
| Ardelyx, Inc. | $56.80 | 3 |
What the 2025 payments were for
- Food and Beverage$671.06 · 32 payments
- Education$79.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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