Doctor profile · Federal record
Dr. Natalie Chang, D.O.
Internal Medicine Physician (CMS: Internal Medicine) · Walnut Creek, CA
- NPI 1205018561
- Accepts Medicare
- 20 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1515 Newell Ave
Walnut Creek, CA 945965120
(925) 295-4070
Credentials & registration
- NPI registered
- November 2007 — 19 yrs on file
- Profile last updated
- December 22, 2021
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A10151
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205018561. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$25
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 1 | $25.29 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,442
Patients
965
Total drug cost
$34,956
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 472 | 183 | $6,442 |
| Amlodipine Besylate | Generic | 290 | 119 | $3,636 |
| Losartan Potassium | Generic | 262 | 103 | $4,065 |
| Levothyroxine Sodium | Generic | 243 | 88 | $5,252 |
| Lisinopril | Generic | 189 | 77 | $2,371 |
| Atenolol | Generic | 130 | 58 | $1,838 |
| Simvastatin | Generic | 113 | 41 | $1,330 |
| Metoprolol Succinate | Generic | 107 | 37 | $1,877 |
| Alendronate Sodium | Generic | 101 | 40 | $1,039 |
| Famotidine | Generic | 98 | 34 | $1,188 |
Frequently asked questions
What is Dr. Natalie Chang's medical specialty?
Dr. Natalie Chang practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. Natalie Chang practice?
Dr. Natalie Chang practices at 1515 Newell Ave, Walnut Creek, CA 945965120. Office phone: 9252954070.
What is Dr. Natalie Chang's NPI?
Dr. Natalie Chang's National Provider Identifier (NPI) is 1205018561, issued by NPPES.
Does Dr. Natalie Chang accept Medicare assignment?
Yes. Dr. Natalie Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.