Doctor profile · Federal record
Dr. Elizabeth O'Brien, RN, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Boston, MA
- NPI 1144670647
- Accepts Medicare
- 10 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1153 Centre St
Boston, MA 021303446
(617) 983-7000
Credentials & registration
- NPI registered
- June 2016 — 10 yrs on file
- Profile last updated
- April 8, 2024
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State license (1)
- Massachusetts #110354
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144670647. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
70
Distinct HCPCS
4
Medicare allowed
$9,689
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
01402 |
Anesthesia for procedure for total knee joint replacement | 28 | 28 | $178 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 18 | 18 | $75 | |
00400 |
Anesthesia for other procedure on skin of arms, legs, and front body | 13 | 13 | $96 | |
01214 |
Anesthesia for total hip replacement | 11 | 11 | $192 |
In context: peer comparison
Among 104 peers in Boston Certified Registered Nurse Anesthetist, average services per provider: 30. This provider delivers 2.3× the peer median.Frequently asked questions
What is Dr. Elizabeth O'Brien's medical specialty?
Dr. Elizabeth O'Brien practices Certified Registered Nurse Anesthetist in Boston, MA.
Where does Dr. Elizabeth O'Brien practice?
Dr. Elizabeth O'Brien practices at 1153 Centre St, Boston, MA 021303446. Office phone: 6179837000.
What is Dr. Elizabeth O'Brien's NPI?
Dr. Elizabeth O'Brien's National Provider Identifier (NPI) is 1144670647, issued by NPPES.
Does Dr. Elizabeth O'Brien accept Medicare assignment?
Yes. Dr. Elizabeth O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Elizabeth O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on skin of arms, legs, and front body (HCPCS 00400). Source: CMS Medicare Physician & Other Practitioners file.