Jacob A. Chapman, M.D.
NPI 1790821338ActiveIndividual· Emergency Medicine· Northampton, MA
Emergency Medicine (M.D.) in Northampton, Massachusetts, trained at University of North Carolina at Chapel Hill School of Medicine (class of 2004). 437 Medicare patients in 2024, $59,671 paid; nearly all of their 118 Part D prescriptions were generic (97%).
Overview
| NPI | 1790821338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jan 30, 2007 |
| Last updated in NPPES | Aug 20, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 230709 | MA |
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 - Emergency Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 437 |
|---|---|
| Services billed | 514 across 18 procedure codes |
| Paid by Medicare | $59,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 118 · 118 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $1,393 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | University of North Carolina at Chapel Hill School of Medicine |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Emergency Medicine |
Medical group
- Baystate Medical Practices IncSpringfield, MA · 1,369 clinicians
Hospital affiliation
- Baystate Franklin Medical CenterGreenfield, 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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