Doctor profile · Federal record
Dr. Melissa Johnston, PA-C
Physician Assistant · Orange, CA
- NPI 1578264982
- 3 yrs on file
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1310 W Stewart Dr Ste 602
Orange, CA 928683857
(714) 639-0414
Credentials & registration
- NPI registered
- March 2023 — 3 yrs on file
- Profile last updated
- November 14, 2024
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #PA62285
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1578264982. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$617
Transactions
22
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 3 | $154.95 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 4 | $103.17 | |
| Lilly USA, LLC | 3 | $81.43 | |
| Novo Nordisk Inc | 3 | $56.01 | |
| GlaxoSmithKline, LLC. | 2 | $54.12 | |
| Exact Sciences Corporation | 2 | $38.04 | |
| Astellas Pharma US Inc | 1 | $31.96 | |
| Averitas Pharma Inc. | 1 | $30.00 | |
| Amgen Inc. | 1 | $25.02 | |
| Merck Sharp & Dohme LLC | 1 | $21.42 | |
| Dexcom, Inc. | 1 | $21.08 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
833
Patients
440
Total drug cost
$14,448
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 149 | 76 | $1,946 |
| Levothyroxine Sodium | Generic | 77 | 45 | $1,849 |
| Amlodipine Besylate | Generic | 73 | 40 | $575 |
| Omeprazole | Generic | 62 | 30 | $1,199 |
| Losartan Potassium | Generic | 60 | 27 | $757 |
| Rosuvastatin Calcium | Generic | 58 | 30 | $3,250 |
| Lisinopril | Generic | 55 | 30 | $520 |
| Metformin Hcl | Generic | 51 | 27 | $690 |
| Fluticasone Propionate | Generic | 42 | 22 | $638 |
| Pantoprazole Sodium | Generic | 41 | 21 | $573 |
Frequently asked questions
What is Dr. Melissa Johnston's medical specialty?
Dr. Melissa Johnston practices Physician Assistant in Orange, CA.
Where does Dr. Melissa Johnston practice?
Dr. Melissa Johnston practices at 1310 W Stewart Dr Ste 602, Orange, CA 928683857. Office phone: 7146390414.
What is Dr. Melissa Johnston's NPI?
Dr. Melissa Johnston's National Provider Identifier (NPI) is 1578264982, issued by NPPES.