Ching Chan Reisig, M.D.
NPI 1013448539ActiveIndividual· Internal Medicine· South Weymouth, MA
Internal Medicine (M.D.) in South Weymouth, Massachusetts, trained at State University of New York at Stony Brook, School of Medicine (class of 2017). In 2024 Medicare paid $99,543 for 461 patients, and Part D covered 308 of their prescriptions, 88% of them generic.
Overview
| NPI | 1013448539 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 26, 2017 |
| Last updated in NPPES | Jul 2, 2020 |
| Certified by provider | Jul 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 282935 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 461 |
|---|---|
| Services billed | 1,111 across 15 procedure codes |
| Paid by Medicare | $99,543 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 323 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $18,693 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Hospitalist |
Medical group
- Coastal Medical AssociatesWeymouth, MA · 443 clinicians
Hospital affiliation
- South Shore HospitalSouth Weymouth, MA
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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All 24 internal medicine physicians in South Weymouth · All internal medicine physicians in Massachusetts