Daniel R. O'Brien, CRNA
NPI 1508168832ActiveIndividual· Nurse Anesthetist, Certified Registered· Weymouth, MA
Nurse Anesthetist, Certified Registered (CRNA) with Amoskeag Anesthesia PLLC and 1 other group, practicing in Weymouth, Massachusetts. Medicare paid $24,669 for services to 128 patients in 2024. Gilead Sciences, Inc. was the largest of 2 companies reporting payments in 2025, $51.01 in all, mostly food and beverage. Lists Elliot Hospital as a hospital affiliation.
Overview
| NPI | 1508168832 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Nov 18, 2010 |
| Last updated in NPPES | Dec 29, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 086832 | MA |
| Registered Nurse | 163W00000X | RN257029 | 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 - Certified Registered Nurse Anesthetist (CRNA) (MA); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 128 |
|---|---|
| Services billed | 146 across 39 procedure codes |
| Paid by Medicare | $24,669 |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Amoskeag Anesthesia PLLCManchester, NH · 166 clinicians
- Greater Hampstead Family Medicine IncSalem, NH · 30 clinicians
Hospital affiliation
- Elliot HospitalManchester, NH
Industry payments (Open Payments)
- 2025$51.01 · 3 payments from 2 companies
- 2024$19.47 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $34.31 | 2 |
| Vertex Pharmaceuticals Incorporated | $16.70 | 1 |
What the 2025 payments were for
- Food and Beverage$51.01 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 46 nurse anesthetists in Weymouth · All nurse anesthetists in Massachusetts