Doctor profile · Federal record
Dr. Carolyn O'Connor, MD
Internal Medicine Physician (CMS: Internal Medicine) · Southbury, CT
- NPI 1851328413
- Accepts Medicare
- 30 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
385 Main St S, Suite 106
Southbury, CT 064884240
(203) 262-4600
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- October 28, 2021
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #041131
- Medicaid
- CT #001411313
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851328413. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,058
Distinct HCPCS
10
Medicare allowed
$107,178
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 378 | 213 | $135 | |
99497 |
Advance care planning, first 30 minutes | 144 | 144 | $86 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 140 | 140 | $136 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 114 | 82 | $96 | |
96372 |
Injection of drug or substance under skin or into muscle | 85 | 19 | $15 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 83 | 17 | $2 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $176 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 24 | 24 | $76 | |
G0008 |
Administration of influenza virus vaccine | 24 | 24 | $33 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 20 | 19 | $15 |
In context: peer comparison
Among 7 peers in Southbury Internal Medicine Physician, average services per provider: 105. This provider delivers 10× the peer median.Open Payments
Industry payments received
All-time total
$47
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals INC. | 1 | $33.10 | |
| Abbvie INC. | 1 | $13.65 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,044
Patients
626
Total drug cost
$33,880
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 284 | 79 | $2,645 |
| Atorvastatin Calcium | Generic | 271 | 84 | $3,858 |
| Levothyroxine Sodium | Generic | 258 | 67 | $4,569 |
| Lisinopril | Generic | 230 | 64 | $1,957 |
| Hydrochlorothiazide | Generic | 155 | 51 | $811 |
| Rosuvastatin Calcium | Generic | 155 | 50 | $3,742 |
| Escitalopram Oxalate | Generic | 120 | 40 | $1,729 |
| Losartan Potassium | Generic | 100 | 35 | $1,935 |
| Metoprolol Succinate | Generic | 100 | 28 | $2,566 |
| Metformin Hcl | Generic | 88 | 26 | $665 |
Hospital affiliations
Frequently asked questions
What is Dr. Carolyn O'Connor's medical specialty?
Dr. Carolyn O'Connor practices Internal Medicine Physician in Southbury, CT.
Where does Dr. Carolyn O'Connor practice?
Dr. Carolyn O'Connor practices at 385 Main St S, Southbury, CT 064884240. Office phone: 2032624600.
What is Dr. Carolyn O'Connor's NPI?
Dr. Carolyn O'Connor's National Provider Identifier (NPI) is 1851328413, issued by NPPES.
Does Dr. Carolyn O'Connor accept Medicare assignment?
Yes. Dr. Carolyn O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Carolyn O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Advance care planning (HCPCS 99497); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.