Doctor profile · Federal record
Dr. Jonathan Oishi, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Irvine, CA
- NPI 1396109781
- Accepts Medicare
- 10 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11 Technology Dr
Irvine, CA 926182302
(855) 206-6764
fax (949) 923-3575 - Mailing address
-
Po Box 35380
Las Vegas, NV 891335380
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- November 24, 2025
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A17106
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396109781. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$149
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Janssen Biotech, Inc. | 1 | $149.05 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
258
Patients
224
Total drug cost
$17,242
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 40 | 22 | $653 |
| Eliquis (Apixaban) | Brand | 26 | 23 | $15,605 |
| Pantoprazole Sodium | Generic | 23 | 23 | $157 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 22 | 22 | $56 |
| Cefdinir | Generic | 21 | 21 | $283 |
| Amlodipine Besylate | Generic | 17 | 17 | $47 |
| Prednisone | Generic | 17 | 17 | $54 |
| Furosemide | Generic | 16 | 15 | $39 |
| Metoprolol Succinate | Generic | 16 | 15 | $100 |
| Levofloxacin | Generic | 15 | 15 | $54 |
Frequently asked questions
What is Dr. Jonathan Oishi's medical specialty?
Dr. Jonathan Oishi practices Internal Medicine Physician in Irvine, CA.
Where does Dr. Jonathan Oishi practice?
Dr. Jonathan Oishi practices at 11 Technology Dr, Irvine, CA 926182302. Office phone: 8552066764.
What is Dr. Jonathan Oishi's NPI?
Dr. Jonathan Oishi's National Provider Identifier (NPI) is 1396109781, issued by NPPES.
Does Dr. Jonathan Oishi accept Medicare assignment?
Yes. Dr. Jonathan Oishi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.