Doctor profile · Federal record
Dr. Walter Chang, MD
Surgery of the Hand (Surgery) Physician (CMS: Hand Surgery) · Fontana, CA
- NPI 1083781835
- Accepts Medicare
- 26 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
9961 Sierra Ave
Fontana, CA 923356720
(909) 427-3910
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- November 18, 2021
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 2086S0105X — NUCC code
- State license (1)
- California #A91041
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1083781835. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$478
Transactions
2
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| KLS-Martin L.P. | 1 | $303.36 | |
| Integra LifeSciences Corporation | 1 | $174.16 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
15
Total drug cost
$143
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 16 | 15 | $143 |
Frequently asked questions
What is Dr. Walter Chang's medical specialty?
Dr. Walter Chang practices Surgery of the Hand (Surgery) Physician in Fontana, CA.
Where does Dr. Walter Chang practice?
Dr. Walter Chang practices at 9961 Sierra Ave, Fontana, CA 923356720. Office phone: 9094273910.
What is Dr. Walter Chang's NPI?
Dr. Walter Chang's National Provider Identifier (NPI) is 1083781835, issued by NPPES.
Does Dr. Walter Chang accept Medicare assignment?
Yes. Dr. Walter Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.