Elizabeth Ann O'Brien, RN, CRNA
Nurse Anesthetist, Certified Registered (RN, CRNA) with Brigham and Womens Physicians Organization Inc, practicing in Boston, Massachusetts. Medicare paid $16,731 for services to 179 patients in 2024. Stryker Corporation reported $22.25 in payments in 2025, mostly food and beverage. Lists Brigham and Women Faulkner Hospital and 1 other hospital as hospital affiliations. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1144670647 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | RN, CRNA |
| Sole proprietor | No |
| NPI issued | Jun 15, 2016 |
| Last updated in NPPES | Apr 8, 2024 |
| Certified by provider | Apr 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 110354 | MA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Massachusetts, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Elizabeth M. O'Brien · Nurse/Nurses Aide | 1128b4 | Jul 18, 2013 | Belmont, MA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 179 across 37 procedure codes |
| Paid by Medicare | $16,731 |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical group
- Brigham and Womens Physicians Organization IncBoston, MA · 2,994 clinicians
Hospital affiliations
- Brigham and Women Faulkner HospitalJamaica Plain, MA
- Brigham and Women's HospitalBoston, MA
Industry payments (Open Payments)
- 2025$22.25 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $22.25 | 1 |
What the 2025 payments were for
- Food and Beverage$22.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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