John Isaac Jr., M.D.
NPI 1225037435ActiveIndividual· Surgery· Warwick, RI
Surgery (M.D.) in Warwick, Rhode Island, licensed in RI, NH and VA, with an NPI issued in July 2005. Medicare paid $10,787 for services to 35 patients in 2024.
Overview
| NPI | 1225037435 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 19, 2005 |
| Last updated in NPPES | Sep 17, 2025 |
| Certified by provider | Sep 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | RI7525 | RI |
| Surgery, Vascular Surgery | 2086S0129X | MD07525 | RI |
| Surgery | 208600000X | 20154 | NH |
| Surgery | 208600000X | 0101268741 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - General Surgery (NH); Practitioner - General Surgery (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 35 |
|---|---|
| Services billed | 47 across 22 procedure codes |
| Paid by Medicare | $10,787 |
Education and affiliations
| Graduation year | 1984 |
|---|---|
| Medicare specialty | General Surgery |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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