Doctor profile · Federal record
Dr. Michael Dempsey, M.D.
Internal Medicine Physician · Riverhead, NY
- NPI 1770508079
- 20 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1190 Old Country RD
Riverhead, NY 119014450
(631) 727-1818
fax (631) 727-7365
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- December 28, 2011
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- New York #130241
- Medicaid
- NY #00417029
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1770508079. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$20
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Incyte Corporation | 1 | $19.64 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
13
Patients
0
Total drug cost
$403
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 13 | 0 | $403 |
Frequently asked questions
What is Dr. Michael Dempsey's medical specialty?
Dr. Michael Dempsey practices Internal Medicine Physician in Riverhead, NY.
Where does Dr. Michael Dempsey practice?
Dr. Michael Dempsey practices at 1190 Old Country RD, Riverhead, NY 119014450. Office phone: 6317271818.
What is Dr. Michael Dempsey's NPI?
Dr. Michael Dempsey's National Provider Identifier (NPI) is 1770508079, issued by NPPES.