Gerald J. Chase, M.D.
NPI 1720061468ActiveIndividual· Internal Medicine· Worcester, MA
Internal Medicine (M.D.) in Worcester, Massachusetts, trained at Icahn School of Medicine at Mount Sinai (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $37,458 for 526 claims, against $7,130 paid for services in 2024.
Overview
| NPI | 1720061468 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 28, 2005 |
| Last updated in NPPES | Jan 31, 2024 |
| Certified by provider | Jan 31, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 56185 | 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 - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 82 |
|---|---|
| Services billed | 94 across 8 procedure codes |
| Paid by Medicare | $7,130 |
Part D prescriptions in 2024
| Prescriptions (claims) | 526 · 1,196 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $37,458 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Internal Medicine |
Medical group
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
Hospital affiliation
- Umass Memorial Medical Center/University CampusWorcester, 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 471 internal medicine physicians in Worcester · All internal medicine physicians in Massachusetts