Doctor profile · Federal record
Dr. Michael Duffy, DO
Internal Medicine Physician · San Diego, CA
- NPI 1851399802
- 21 yrs on file
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1501 5Th Ave Ste 100
San Diego, CA 921013251
(619) 647-5072
fax (619) 330-4782
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- September 22, 2022
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A9616
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851399802. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 1 | $24.63 |
By nature of payment
Frequently asked questions
What is Dr. Michael Duffy's medical specialty?
Dr. Michael Duffy practices Internal Medicine Physician in San Diego, CA.
Where does Dr. Michael Duffy practice?
Dr. Michael Duffy practices at 1501 5Th Ave Ste 100, San Diego, CA 921013251. Office phone: 6196475072.
What is Dr. Michael Duffy's NPI?
Dr. Michael Duffy's National Provider Identifier (NPI) is 1851399802, issued by NPPES.