Doctor profile · Federal record
Dr. William Terrin, MD
Emergency Medicine Physician (CMS: Emergency Medicine) · Student in an Organized Health Care Education/Training Program · Brooklyn, NY
- NPI 1154718476
- Accepts Medicare
- MIPS 83.5 / 100 · 2023
- 13 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
121 Dekalb Ave
Brooklyn, NY 112015425
(718) 250-8369
fax (718) 250-6528
Credentials & registration
- NPI registered
- April 2015 — 11 yrs on file
- Profile last updated
- July 20, 2017
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 207P00000X — NUCC code
- State license (1)
- New York #287158
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1154718476. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
338
Distinct HCPCS
4
Medicare allowed
$59,194
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99284 |
Emergency department visit with moderate level of medical decision making | 129 | 127 | $140 | |
99285 |
Emergency department visit with high level of medical decision making | 127 | 126 | $205 | |
99291 |
Critical care, first 30-74 minutes | 50 | 50 | $247 | |
99283 |
Emergency department visit with low level of medical decision making | 32 | 32 | $84 |
In context: peer comparison
Among 223 peers in Brooklyn Emergency Medicine Physician, average services per provider: 74. This provider delivers 4.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
15
Patients
15
Total drug cost
$1,174
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Cefpodoxime Proxetil | Generic | 15 | 15 | $1,174 |
Frequently asked questions
What is Dr. William Terrin's medical specialty?
Dr. William Terrin practices Emergency Medicine Physician in Brooklyn, NY.
Where does Dr. William Terrin practice?
Dr. William Terrin practices at 121 Dekalb Ave, Brooklyn, NY 112015425. Office phone: 7182508369.
What is Dr. William Terrin's NPI?
Dr. William Terrin's National Provider Identifier (NPI) is 1154718476, issued by NPPES.
Does Dr. William Terrin accept Medicare assignment?
Yes. Dr. William Terrin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Terrin commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.