Doctor profile · Federal record
Dr. Bruce Brennan, MD
Internal Medicine Physician (CMS: Internal Medicine) · Ansonia, CT
- NPI 1013927797
- Accepts Medicare
- 48 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
22 Westfield Ave
Ansonia, CT 064011158
(203) 734-7100
fax (203) 734-3392
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- August 16, 2010
- Year of graduation
- 1978 — 48 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Connecticut #022798
- Medicaid
- CT #1227982
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013927797. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
232
Distinct HCPCS
6
Medicare allowed
$14,277
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 90 | 50 | $96 | |
82947 |
Blood glucose (sugar) level | 49 | 20 | $4 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 32 | 32 | $136 | |
81002 |
Urinalysis, manual test | 29 | 29 | $3 | |
90756 |
Influenza vaccine, quadrivalent derived from cell cultures | 16 | 16 | $32 | |
G0008 |
Administration of influenza virus vaccine | 16 | 16 | $33 |
In context: peer comparison
Among 6 peers in this city , average services per provider: 45. This provider delivers 5.2× the peer median.Open Payments
Industry payments received
All-time total
$1,788
Transactions
15
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 5 | $617.47 | |
| Phathom Pharmaceuticals, Inc. | 2 | $250.00 | |
| Otsuka America Pharmaceutical, Inc. | 2 | $248.44 | |
| Lilly USA, LLC | 2 | $245.21 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $227.13 | |
| ABBVIE INC. | 1 | $124.57 | |
| GlaxoSmithKline, LLC. | 1 | $75.38 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,163
Patients
285
Total drug cost
$109,970
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 214 | 61 | $3,424 |
| Amlodipine Besylate | Generic | 180 | 50 | $2,107 |
| Metformin Hcl | Generic | 162 | 44 | $1,989 |
| Levothyroxine Sodium | Generic | 86 | 19 | $1,489 |
| Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) | Brand | 72 | 20 | $576 |
| Lisinopril | Generic | 71 | 20 | $680 |
| Hydrochlorothiazide | Generic | 57 | 17 | $212 |
| Jardiance (Empagliflozin) | Brand | 51 | 0 | $54,565 |
| Valsartan-Hydrochlorothiazide (Valsartan/Hydrochlorothiazide) | Brand | 50 | 15 | $2,608 |
| Losartan Potassium | Generic | 47 | 16 | $548 |
Frequently asked questions
What is Dr. Bruce Brennan's medical specialty?
Dr. Bruce Brennan practices Internal Medicine Physician in Ansonia, CT.
Where does Dr. Bruce Brennan practice?
Dr. Bruce Brennan practices at 22 Westfield Ave, Ansonia, CT 064011158. Office phone: 2037347100.
What is Dr. Bruce Brennan's NPI?
Dr. Bruce Brennan's National Provider Identifier (NPI) is 1013927797, issued by NPPES.
Does Dr. Bruce Brennan accept Medicare assignment?
Yes. Dr. Bruce Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bruce Brennan commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Blood glucose (sugar) level (HCPCS 82947); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.