Doctor profile · Federal record
Dr. William Smithy, M.D.
Surgical Oncology Physician (CMS: Colorectal Surgery (Proctology)) · East Setauket, NY
- NPI 1235158155
- Accepts Medicare
- MIPS 91.4 / 100 · 2023
- 45 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
37 Research Way
East Setauket, NY 11733
(631) 444-4545 - Mailing address
-
P.O. Box 1559
Stony Brook, NY 11790
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- October 13, 2014
- Year of graduation
- 1981 — 45 yrs since
- Specialty taxonomy
- 2086X0206X — NUCC code
- State license (1)
- New York #152575
- Medicaid
- NY #01083485
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1235158155. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
352
Distinct HCPCS
10
Medicare allowed
$43,650
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 75 | 53 | $68 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 58 | 31 | $89 | |
99202 |
New patient office or other outpatient visit, 15-29 minutes | 53 | 53 | $86 | |
46600 |
Diagnostic exam of anus using an endoscope | 42 | 38 | $149 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 24 | 24 | $290 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $130 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 22 | 20 | $107 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 17 | 17 | $153 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 14 | 14 | $202 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 13 | 13 | $196 |
In context: peer comparison
Among 1 peers in East Setauket Surgical Oncology Physician, average services per provider: 32. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$423
Transactions
5
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Medtronic, INC. | 1 | $173.39 | |
| Stryker Corporation | 1 | $159.43 | |
| Guard Medical INC. | 1 | $47.29 | |
| Ucb, INC. | 1 | $21.79 | |
| Sk Life Science, INC. | 1 | $20.83 |
By nature of payment
Frequently asked questions
What is Dr. William Smithy's medical specialty?
Dr. William Smithy practices Surgical Oncology Physician in East Setauket, NY.
Where does Dr. William Smithy practice?
Dr. William Smithy practices at 37 Research Way, East Setauket, NY 11733. Office phone: 6314444545.
What is Dr. William Smithy's NPI?
Dr. William Smithy's National Provider Identifier (NPI) is 1235158155, issued by NPPES.
Does Dr. William Smithy accept Medicare assignment?
Yes. Dr. William Smithy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Smithy commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99212); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); New patient office or other outpatient visit (HCPCS 99202). Source: CMS Medicare Physician & Other Practitioners file.