Doctor profile · Federal record
Dr. William Brennan, M.D.
Orthopaedic Surgery Physician (CMS: Orthopedic Surgery) · Warwick, RI
- NPI 1114926185
- Accepts Medicare
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
120 Centerville RD
Warwick, RI 028864336
(401) 738-3730
fax (401) 738-3777
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- January 14, 2008
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 207X00000X — NUCC code
- State license (1)
- Rhode Island #MD8718
- Medicaid
- RI #7004618
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1114926185. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,679
Distinct HCPCS
10
Medicare allowed
$130,861
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J7318 |
Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg | 1,380 | 12 | $7 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 476 | 269 | $127 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 351 | 177 | $92 | |
72100 |
X-ray of lower and sacral spine, 2-3 views | 136 | 128 | $41 | |
20610 |
Aspiration and/or injection of fluid from large joint | 76 | 37 | $74 | |
J1030 |
Injection, methylprednisolone acetate, 40 mg | 72 | 31 | $8 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 71 | 71 | $169 | |
72040 |
X-ray of upper spine, 2-3 views | 34 | 34 | $41 | |
72070 |
X-ray of middle spine, 2 views | 32 | 32 | $33 | |
73564 |
X-ray of knee, 4 or more views | 32 | 26 | $50 |
In context: peer comparison
Among 5 peers in Warwick Orthopaedic Surgery Physician, average services per provider: 91. This provider delivers 29× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
502
Patients
235
Total drug cost
$3,431
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cyclobenzaprine Hcl | Generic | 179 | 87 | $1,087 |
| Meloxicam | Generic | 150 | 45 | $606 |
| Methylprednisolone | Generic | 42 | 39 | $379 |
| Celecoxib | Generic | 38 | 21 | $675 |
| Ibuprofen | Generic | 30 | 11 | $338 |
| Gabapentin | Generic | 28 | 17 | $290 |
| Diazepam | Generic | 18 | 15 | $12 |
| Tramadol Hcl | Generic | 17 | 0 | $46 |
Frequently asked questions
What is Dr. William Brennan's medical specialty?
Dr. William Brennan practices Orthopaedic Surgery Physician in Warwick, RI.
Where does Dr. William Brennan practice?
Dr. William Brennan practices at 120 Centerville RD, Warwick, RI 028864336. Office phone: 4017383730.
What is Dr. William Brennan's NPI?
Dr. William Brennan's National Provider Identifier (NPI) is 1114926185, issued by NPPES.
Does Dr. William Brennan accept Medicare assignment?
Yes. Dr. William Brennan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Brennan commonly perform?
Top Medicare-reported procedures in 2023: Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg (HCPCS J7318); 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.