Christopher W. Seidler, MD
NPI 1497729347ActiveIndividual· Internal Medicine, Hematology & Oncology· Wakefield, RI
Internal Medicine, Hematology & Oncology (MD) with Silver Spring Health Care Management Inc, practicing in Wakefield, Rhode Island. Their prescriptions cost Medicare Part D more than their services did: $2,730,605 for 901 claims, against $56,260 paid for services in 2024. Geron Corporation was the largest of 18 companies reporting payments in 2025, $3,495 in all, mostly consulting fees. Lists South County Hospital Inc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1497729347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 16, 2006 |
| Last updated in NPPES | Sep 11, 2026 |
| Certified by provider | Sep 11, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD07353 | RI |
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 - Hematology/Oncology (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 255 |
|---|---|
| Services billed | 613 across 16 procedure codes |
| Paid by Medicare | $56,260 |
Part D prescriptions in 2024
| Prescriptions (claims) | 901 · 1,196 30-day fills |
|---|---|
| Patients | 190 |
| Total drug cost | $2,730,605 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Silver Spring Health Care Management IncNarragansett, RI · 134 clinicians
Hospital affiliations
- South County Hospital IncWakefield, RI
- The Miriam HospitalProvidence, RI
Other facilities
- South County Home HealthHome health agency · Wakefield, RI
Industry payments (Open Payments)
- 2025$3,495 · 35 payments from 18 companies
- 2024$5,609 · 23 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Geron Corporation | $2,887 | 10 |
| Astrazeneca Pharmaceuticals LP | $80.07 | 3 |
| Rigel Pharmaceuticals, Inc. | $78.30 | 3 |
| Abbvie Inc. | $69.63 | 3 |
| E.R. Squibb & Sons, L.L.C. | $54.93 | 1 |
What the 2025 payments were for
- Consulting Fee$2,560 · 1 payment
- Food and Beverage$768.52 · 32 payments
- Travel and Lodging$165.98 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Hematology & Oncology providers in Rhode Island →