Doctor profile · Federal record
Dr. John O'Connor, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Worcester, MA
- NPI 1295988921
- Accepts Medicare
- MIPS 79.9 / 100 · 2023
- 21 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
55 Lake Ave N, Department of Anesthesiology
Worcester, MA 016550002
(508) 334-3271
fax (508) 856-5911 - Mailing address
-
Po Box 415348
Boston, MA 022415348
Credentials & registration
- NPI registered
- October 2008 — 18 yrs on file
- Profile last updated
- October 8, 2009
- Year of graduation
- 2005 — 21 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Massachusetts #238964
- Medicaid
- MA #110082046A
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295988921. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
339
Distinct HCPCS
10
Medicare allowed
$32,670
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
01810 |
Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | 58 | 57 | $61 | |
64415 |
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) | 33 | 33 | $70 | |
01400 |
Anesthesia for other procedure or exam of knee joint using an endoscope | 28 | 28 | $77 | |
76942 |
Ultrasonic guidance for needle placement | 27 | 27 | $31 | |
00400 |
Anesthesia for other procedure on skin of arms, legs, and front body | 25 | 25 | $88 | |
64447 |
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) | 18 | 18 | $63 | |
00840 |
Anesthesia for other procedure on lower abdomen | 17 | 17 | $211 | |
00902 |
Anesthesia for procedure on anus and rectum | 17 | 17 | $82 | |
01214 |
Anesthesia for total hip replacement | 16 | 16 | $198 | |
01402 |
Anesthesia for procedure for total knee joint replacement | 16 | 16 | $190 |
In context: peer comparison
Among 60 peers in Worcester Anesthesiology Physician, average services per provider: 33. This provider delivers 10× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. John O'Connor's medical specialty?
Dr. John O'Connor practices Anesthesiology Physician in Worcester, MA.
Where does Dr. John O'Connor practice?
Dr. John O'Connor practices at 55 Lake Ave N, Worcester, MA 016550002. Office phone: 5083343271.
What is Dr. John O'Connor's NPI?
Dr. John O'Connor's National Provider Identifier (NPI) is 1295988921, issued by NPPES.
Does Dr. John O'Connor accept Medicare assignment?
Yes. Dr. John O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand (HCPCS 01810); Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) (HCPCS 64415); Anesthesia for other procedure or exam of knee joint using an endoscope (HCPCS 01400). Source: CMS Medicare Physician & Other Practitioners file.