Zachary C. Demma, MD
NPI 1093247918ActiveIndividual· Emergency Medicine· Palmer, MA
Emergency Medicine (MD) in Palmer, Massachusetts, trained at University of Massachusetts Medical School (class of 2017). 429 Medicare patients in 2024, $65,352 paid; nearly all of their 190 Part D prescriptions were generic (93%).
Overview
| NPI | 1093247918 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2017 |
| Last updated in NPPES | Oct 29, 2021 |
| Certified by provider | Oct 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 282502 | 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 - Emergency Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 429 |
|---|---|
| Services billed | 564 across 47 procedure codes |
| Paid by Medicare | $65,352 |
Part D prescriptions in 2024
| Prescriptions (claims) | 190 · 195 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $2,425 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Coastal Medical AssociatesWeymouth, MA · 443 clinicians
- Cape Cod Emergency Associates LLPHyannis, MA · 33 clinicians
Hospital affiliations
- Cape Cod HospitalHyannis, MA
- 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 19 emergency medicine physicians in Palmer · All emergency medicine physicians in Massachusetts