Catherine O'Brien, CRNA
NPI 1235521758ActiveIndividual· Nurse Anesthetist, Certified Registered· Springfield, MA
Nurse Anesthetist, Certified Registered (CRNA) in Springfield, Massachusetts, trained at University of Massachusetts Medical School (class of 1999). Medicare paid $16,925 for services to 177 patients in 2024.
Overview
| NPI | 1235521758 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CRNA |
| Sole proprietor | No |
| NPI issued | Feb 20, 2015 |
| Last updated in NPPES | Sep 14, 2026 |
| Certified by provider | Sep 14, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 217699 | MA |
| Nurse Anesthetist, Certified Registered | 367500000X | 16521 | CT |
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) (CT); Practitioner - Certified Registered Nurse Anesthetist (CRNA) (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 177 |
|---|---|
| Services billed | 183 across 40 procedure codes |
| Paid by Medicare | $16,925 |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Umass Memorial Medical Group IncWorcester, MA · 2,516 clinicians
- Holyoke Medical Center IncHolyoke, MA · 205 clinicians
- Pulse Anesthesia Consultants PCSpringfield, MA · 16 clinicians
Hospital affiliations
- Baystate Medical CenterSpringfield, MA
- Holyoke Medical CenterHolyoke, MA
- Umass Memorial Medical Center/University CampusWorcester, 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 78 nurse anesthetists in Springfield · All nurse anesthetists in Massachusetts