Doctor profile · Federal record
Dr. William Engellenner, M.D.
Anatomic Pathology & Clinical Pathology Physician · West Islip, NY
- NPI 1659363364
- MIPS 91.1 / 100 · 2023
- 21 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1000 Montauk Hwy
West Islip, NY 117954927
(631) 376-3000 - Mailing address
-
4567 Crossroads Park Dr, 2Nd Floor
Liverpool, NY 130883589
Credentials & registration
- NPI registered
- August 2005 — 21 yrs on file
- Profile last updated
- September 12, 2007
- Specialty taxonomy
- 207ZP0102X — NUCC code
- State license (1)
- New York #182397
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1659363364. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$23
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Merck Sharp & Dohme LLC | 1 | $22.78 |
By nature of payment
Frequently asked questions
What is Dr. William Engellenner's medical specialty?
Dr. William Engellenner practices Anatomic Pathology & Clinical Pathology Physician in West Islip, NY.
Where does Dr. William Engellenner practice?
Dr. William Engellenner practices at 1000 Montauk Hwy, West Islip, NY 117954927. Office phone: 6313763000.
What is Dr. William Engellenner's NPI?
Dr. William Engellenner's National Provider Identifier (NPI) is 1659363364, issued by NPPES.