Nicholas Walsh Carrellas, MD
NPI 1922684604ActiveIndividual· Emergency Medicine· Portland, ME
Emergency Medicine (MD) with Bluewater Emergency Partners of Brunswick, LLC, practicing in Portland, Maine. 104 Medicare patients in 2024, $12,762 paid; nearly all of their 61 Part D prescriptions were generic (93%). Lists Mainehealth Mid Coast Hospital as a hospital affiliation.
Overview
| NPI | 1922684604 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 22, 2021 |
| Last updated in NPPES | Mar 12, 2024 |
| Certified by provider | Mar 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | MD27463 | ME |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 104 |
|---|---|
| Services billed | 127 across 19 procedure codes |
| Paid by Medicare | $12,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 61 · 65 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $1,670 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Bluewater Emergency Partners of Brunswick, LLCLewiston, ME · 154 clinicians
Hospital affiliation
- Mainehealth Mid Coast HospitalBrunswick, ME
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 108 emergency medicine physicians in Portland · All emergency medicine physicians in Maine