Doctor profile · Federal record
Dr. Brigid Riordan, NP-C
Primary Care Nurse Practitioner · Nurse Practitioner · Adult Health Nurse Practitioner · Gerontology Nurse Practitioner · Norco, CA
- NPI 1568835833
- 11 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1901 Town and Country Dr, Suite 104
Norco, CA 928603611
(951) 737-8141
fax (951) 817-1759
Credentials & registration
- NPI registered
- November 2015 — 11 yrs on file
- Specialty taxonomy
- 363LP2300X — NUCC code
- State license (1)
- California #95003364
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568835833. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$384
Transactions
25
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 13 | $134.52 | |
| Novo Nordisk INC | 3 | $68.68 | |
| Astellas Pharma US INC | 2 | $49.13 | |
| Pfizer INC. | 2 | $39.40 | |
| AstraZeneca Pharmaceuticals Lp | 2 | $36.68 | |
| Hologic Sales and Service, LLC | 1 | $23.80 | |
| Dexcom, INC. | 1 | $16.33 | |
| Bayer Healthcare Pharmaceuticals INC. | 1 | $15.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,429
Patients
401
Total drug cost
$23,766
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 138 | 41 | $1,996 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 129 | 46 | $2,966 |
| Levothyroxine Sodium | Generic | 125 | 37 | $2,691 |
| Lisinopril | Generic | 121 | 33 | $1,511 |
| Losartan Potassium | Generic | 114 | 33 | $2,047 |
| Rosuvastatin Calcium | Generic | 113 | 45 | $2,749 |
| Hydrochlorothiazide | Generic | 97 | 20 | $443 |
| Amlodipine Besylate | Generic | 95 | 20 | $987 |
| Omeprazole | Generic | 88 | 28 | $1,465 |
| Carvedilol | Generic | 85 | 16 | $712 |
Frequently asked questions
What is Dr. Brigid Riordan's medical specialty?
Dr. Brigid Riordan practices Primary Care Nurse Practitioner in Norco, CA.
Where does Dr. Brigid Riordan practice?
Dr. Brigid Riordan practices at 1901 Town and Country Dr, Norco, CA 928603611. Office phone: 9517378141.
What is Dr. Brigid Riordan's NPI?
Dr. Brigid Riordan's National Provider Identifier (NPI) is 1568835833, issued by NPPES.