Doctor profile · Federal record
Dr. William McCormick, MD
Neurological Surgery Physician (CMS: Neurosurgery) · West Islip, NY
- NPI 1043290687
- Accepts Medicare
- 29 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
380 Montauk Hwy
West Islip, NY 117954403
(631) 422-5371
fax (631) 893-8012
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- January 20, 2022
- Year of graduation
- 1997 — 29 yrs since
- Specialty taxonomy
- 207T00000X — NUCC code
- State license (1)
- New York #2279121
- Medicaid
- NY #02478417
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043290687. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
255
Distinct HCPCS
10
Medicare allowed
$26,365
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 55 | 32 | $58 | |
99284 |
Emergency department visit with moderate level of medical decision making | 48 | 48 | $140 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 25 | 16 | $105 | |
72148 |
Mri scan of lower spinal canal without contrast | 21 | 20 | $79 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $195 | |
70450 |
Ct scan head or brain without contrast | 17 | 16 | $45 | |
72131 |
Ct scan of lower spine without contrast | 15 | 15 | $52 | |
72129 |
Ct scan of middle spine with contrast | 14 | 14 | $65 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 14 | 12 | $148 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $199 |
In context: peer comparison
Among 8 peers in West Islip Neurological Surgery Physician, average services per provider: 49. This provider delivers 5.2× the peer median.Open Payments
Industry payments received
All-time total
$49
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Orthofix Medical, INC. | 1 | $24.72 | |
| Boston Scientific Corporation | 1 | $23.81 |
By nature of payment
Hospital affiliations
Frequently asked questions
What is Dr. William McCormick's medical specialty?
Dr. William McCormick practices Neurological Surgery Physician in West Islip, NY.
Where does Dr. William McCormick practice?
Dr. William McCormick practices at 380 Montauk Hwy, West Islip, NY 117954403. Office phone: 6314225371.
What is Dr. William McCormick's NPI?
Dr. William McCormick's National Provider Identifier (NPI) is 1043290687, issued by NPPES.
Does Dr. William McCormick accept Medicare assignment?
Yes. Dr. William McCormick accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William McCormick commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.