Doctor profile · Federal record
Dr. Johanna O'Connor, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Westwood, MA
- NPI 1558471961
- Accepts Medicare
- 33 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
690 Canton St, Suite 325
Westwood, MA 020902321
(781) 407-7713
fax (781) 407-0998
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- December 4, 2007
- Year of graduation
- 1993 — 33 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- Massachusetts #203472
- Medicaid (3)
- NH #30206293 · RI #J062740 · MA #3207684
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1558471961. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
55
Distinct HCPCS
3
Medicare allowed
$5,479
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 20 | 20 | $83 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 20 | 20 | $74 | |
00840 |
Anesthesia for other procedure on lower abdomen | 15 | 15 | $156 |
In context: peer comparison
Among 40 peers in this city , average services per provider: 76. This provider delivers 0.7× the peer median.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| CSL Behring | 1 | $20.00 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. Johanna O'Connor's medical specialty?
Dr. Johanna O'Connor practices Anesthesiology Physician in Westwood, MA.
Where does Dr. Johanna O'Connor practice?
Dr. Johanna O'Connor practices at 690 Canton St, Westwood, MA 020902321. Office phone: 7814077713.
What is Dr. Johanna O'Connor's NPI?
Dr. Johanna O'Connor's National Provider Identifier (NPI) is 1558471961, issued by NPPES.
Does Dr. Johanna O'Connor accept Medicare assignment?
Yes. Dr. Johanna O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johanna O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on lower abdomen (HCPCS 00840). Source: CMS Medicare Physician & Other Practitioners file.