Doctor profile · Federal record
Dr. Karen Ann Defazio, M.D.
Emergency Medicine Physician · Milford, MA
- NPI 1982641676
- MIPS 100.0 / 100 · 2023
- 20 yrs on file
- Female
- No sanctions
Practice & contact
- Primary practice
-
14 Prospect Street, Milford-Whitinsville Hos
Milford, MA 01757
(508) 473-1190 - Mailing address
-
46 Latisquama RD
Southborough, MA 017721609
Credentials & registration
- NPI registered
- June 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- Massachusetts #74130
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1982641676. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
256
Distinct HCPCS
4
Medicare allowed
$44,204
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 139 | 137 | $176 | |
99291 |
Critical care, first 30-74 minutes | 47 | 45 | $214 | |
99284 |
Emergency department visit with moderate level of medical decision making | 46 | 46 | $121 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 24 | 24 | $175 |
In context: peer comparison
Among 9 peers in Milford Emergency Medicine Physician, average services per provider: 114. This provider delivers 2.2× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
14
Patients
14
Total drug cost
$155
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cephalexin | Generic | 14 | 14 | $155 |
Frequently asked questions
What is Dr. Karen Ann Defazio's medical specialty?
Dr. Karen Ann Defazio practices Emergency Medicine Physician in Milford, MA.
Where does Dr. Karen Ann Defazio practice?
Dr. Karen Ann Defazio practices at 14 Prospect Street, Milford, MA 01757. Office phone: 5084731190.
What is Dr. Karen Ann Defazio's NPI?
Dr. Karen Ann Defazio's National Provider Identifier (NPI) is 1982641676, issued by NPPES.
What procedures does Dr. Karen Ann Defazio commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.