Doctor profile · Federal record
Dr. Oliver Neil Refugio, M.D., M.P.H.
Internal Medicine Physician (CMS: Internal Medicine) · Sylmar, CA
- NPI 1144727355
- Accepts Medicare
- 8 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
14445 Olive View Dr
Sylmar, CA 913421437
(747) 210-3000 - Additional location
-
1138 N Voyager Ln
Anaheim, CA 928011735
(562) 881-1316
Credentials & registration
- NPI registered
- April 2018 — 8 yrs on file
- Profile last updated
- October 7, 2020
- Year of graduation
- 2018 — 8 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A166041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144727355. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$383
Transactions
21
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ViiV Healthcare Company | 10 | $131.32 | |
| Merck Sharp & Dohme LLC | 5 | $130.71 | |
| Abbvie INC. | 4 | $83.98 | |
| Hologic Sales and Service, LLC | 1 | $19.44 | |
| Novo Nordisk INC | 1 | $17.94 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
567
Patients
37
Total drug cost
$788,194
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 108 | 22 | $1,230 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 96 | 15 | $407,702 |
| Tivicay (Dolutegravir Sodium) | Brand | 49 | 0 | $114,025 |
| Gabapentin | Generic | 42 | 0 | $1,161 |
| Symtuza (Darunavir/Cob/Emtri/Tenof Alaf) | Brand | 39 | 0 | $193,025 |
| Levothyroxine Sodium | Generic | 38 | 0 | $416 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 35 | 0 | $1,307 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 23 | 0 | $259 |
| Amlodipine Besylate | Generic | 22 | 0 | $129 |
| Fluticasone Propionate | Generic | 20 | 0 | $349 |
Frequently asked questions
What is Dr. Oliver Neil Refugio's medical specialty?
Dr. Oliver Neil Refugio practices Internal Medicine Physician in Sylmar, CA.
Where does Dr. Oliver Neil Refugio practice?
Dr. Oliver Neil Refugio practices at 14445 Olive View Dr, Sylmar, CA 913421437. Office phone: 7472103000.
What is Dr. Oliver Neil Refugio's NPI?
Dr. Oliver Neil Refugio's National Provider Identifier (NPI) is 1144727355, issued by NPPES.
Does Dr. Oliver Neil Refugio accept Medicare assignment?
Yes. Dr. Oliver Neil Refugio accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.