Doctor profile · Federal record
Dr. Margaret Delmastro, RNP
Family Nurse Practitioner · Registered Nurse · Orange, CA
- NPI 1043533110
- 16 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1100 W Stewart Dr
Orange, CA 928683849
(714) 734-6268
fax (714) 734-6231 - Mailing address
-
14692 Buckingham Pl
Tustin, CA 927806615
Credentials & registration
- NPI registered
- March 2010 — 16 yrs on file
- Profile last updated
- December 4, 2014
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- California #221014
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043533110. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$145
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Eisai Inc. | 1 | $120.35 | |
| ABBVIE INC. | 1 | $24.89 |
By nature of payment
Frequently asked questions
What is Dr. Margaret Delmastro's medical specialty?
Dr. Margaret Delmastro practices Family Nurse Practitioner in Orange, CA.
Where does Dr. Margaret Delmastro practice?
Dr. Margaret Delmastro practices at 1100 W Stewart Dr, Orange, CA 928683849. Office phone: 7147346268.
What is Dr. Margaret Delmastro's NPI?
Dr. Margaret Delmastro's National Provider Identifier (NPI) is 1043533110, issued by NPPES.