Doctor profile · Federal record
Dr. Sylvia Chi-Wu, MD
Nephrology Physician (CMS: Nephrology) · Walnut Creek, CA
- NPI 1144308230
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1425 S Main St
Walnut Creek, CA 945965318
(925) 295-4000 - Mailing address
-
1800 Harrison St Fl 7
Oakland, CA 946123466
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- January 10, 2022
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State license (1)
- California #A69704
- Medicaid
- CA #00A697040
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144308230. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
51
Distinct HCPCS
1
Medicare allowed
$4,491
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 51 | 18 | $88 |
In context: peer comparison
Among 5 peers in Walnut Creek Nephrology Physician, average services per provider: 109. This provider delivers 0.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
610
Patients
235
Total drug cost
$42,565
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Furosemide | Generic | 93 | 42 | $1,287 |
| Losartan Potassium | Generic | 62 | 24 | $763 |
| Amlodipine Besylate | Generic | 60 | 28 | $749 |
| Allopurinol | Generic | 47 | 18 | $525 |
| Terazosin Hcl | Generic | 44 | 18 | $2,193 |
| Lisinopril | Generic | 42 | 19 | $497 |
| Metoprolol Succinate | Generic | 38 | 19 | $590 |
| Calcitriol | Generic | 31 | 12 | $831 |
| Jardiance (Empagliflozin) | Brand | 31 | 11 | $20,267 |
| Sevelamer Carbonate | Generic | 29 | 18 | $7,551 |
Frequently asked questions
What is Dr. Sylvia Chi-Wu's medical specialty?
Dr. Sylvia Chi-Wu practices Nephrology Physician in Walnut Creek, CA.
Where does Dr. Sylvia Chi-Wu practice?
Dr. Sylvia Chi-Wu practices at 1425 S Main St, Walnut Creek, CA 945965318. Office phone: 9252954000.
What is Dr. Sylvia Chi-Wu's NPI?
Dr. Sylvia Chi-Wu's National Provider Identifier (NPI) is 1144308230, issued by NPPES.
Does Dr. Sylvia Chi-Wu accept Medicare assignment?
Yes. Dr. Sylvia Chi-Wu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sylvia Chi-Wu commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.