Doctor profile · Federal record
Dr. Yongen Chang, MD, PHD
Nephrology Physician (CMS: Nephrology) · Specialist · Internal Medicine Physician · Orange, CA
- NPI 1932490034
- Accepts Medicare
- MIPS 91.2 / 100 · 2023
- 25 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
101 the City Dr S, Suite 400
Orange, CA 928683201
(714) 456-7004
Credentials & registration
- NPI registered
- April 2011 — 15 yrs on file
- Profile last updated
- September 27, 2024
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A115410
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1932490034. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$12,571
Transactions
17
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Otsuka Pharmaceutical Development & Commercialization, INC. | 15 | $9,222.96 | |
| Novartis Pharmaceuticals Corporation | 2 | $3,348.46 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
26
Patients
0
Total drug cost
$424
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 15 | 0 | $211 |
| Losartan Potassium | Generic | 11 | 0 | $212 |
Frequently asked questions
What is Dr. Yongen Chang's medical specialty?
Dr. Yongen Chang practices Nephrology Physician in Orange, CA.
Where does Dr. Yongen Chang practice?
Dr. Yongen Chang practices at 101 the City Dr S, Orange, CA 928683201. Office phone: 7144567004.
What is Dr. Yongen Chang's NPI?
Dr. Yongen Chang's National Provider Identifier (NPI) is 1932490034, issued by NPPES.
Does Dr. Yongen Chang accept Medicare assignment?
Yes. Dr. Yongen Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.