Doctor profile · Federal record
Dr. Margaret O'Connor, APRN BC
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Boston, MA
- NPI 1922216415
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
750 Washington Street, Nemc Gma Box 398
Boston, MA 021111526
(617) 636-7889
fax (617) 636-6403 - Mailing address
-
54 Bowdoin St
Quincy, MA 021712832
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- March 3, 2011
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State license (1)
- Massachusetts #RN 155860 NP
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1922216415. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
285
Distinct HCPCS
2
Medicare allowed
$23,266
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 222 | 165 | $88 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 63 | 56 | $59 |
In context: peer comparison
Among 72 peers in this city , average services per provider: 79. This provider delivers 3.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
537
Patients
143
Total drug cost
$39,278
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gabapentin | Generic | 76 | 24 | $1,246 |
| Lisinopril | Generic | 61 | 26 | $818 |
| Atorvastatin Calcium | Generic | 60 | 24 | $1,810 |
| Amlodipine Besylate | Generic | 47 | 18 | $329 |
| Eliquis (Apixaban) | Brand | 34 | 0 | $30,886 |
| Losartan Potassium | Generic | 31 | 11 | $511 |
| Oxycodone Hcl | Generic | 30 | 0 | $365 |
| Omeprazole | Generic | 29 | 16 | $598 |
| Metformin Hcl Er (Metformin Hcl) | Brand | 27 | 0 | $543 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 25 | 12 | $1,103 |
Hospital affiliations
Frequently asked questions
What is Dr. Margaret O'Connor's medical specialty?
Dr. Margaret O'Connor practices Adult Health Nurse Practitioner in Boston, MA.
Where does Dr. Margaret O'Connor practice?
Dr. Margaret O'Connor practices at 750 Washington Street, Boston, MA 021111526. Office phone: 6176367889.
What is Dr. Margaret O'Connor's NPI?
Dr. Margaret O'Connor's National Provider Identifier (NPI) is 1922216415, issued by NPPES.
Does Dr. Margaret O'Connor accept Medicare assignment?
Yes. Dr. Margaret O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Margaret O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.