Doctor profile · Federal record
Dr. Maggie Chau, DO
Internal Medicine Physician (CMS: Internal Medicine) · San Jose, CA
- NPI 1568576445
- Accepts Medicare
- 34 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
54 N Bascom Ave
San Jose, CA 951281801
(408) 923-8098
fax (408) 923-8189
Credentials & registration
- NPI registered
- August 2006 — 20 yrs on file
- Profile last updated
- October 25, 2011
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #20A6443
- Medicaid
- CA #00AX64431
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1568576445. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
338
Distinct HCPCS
5
Medicare allowed
$31,658
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 222 | 90 | $103 | |
90662 |
Influenza vaccine split virus, preservative free | 33 | 33 | $72 | |
G0008 |
Administration of influenza virus vaccine | 33 | 33 | $37 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 25 | 21 | $53 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 25 | 25 | $156 |
In context: peer comparison
Among 94 peers in this city , average services per provider: 175. This provider delivers 1.9× the peer median.Open Payments
Industry payments received
All-time total
$2,311
Transactions
59
Manufacturers
13
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 16 | $838.62 | |
| GlaxoSmithKline, LLC. | 8 | $406.51 | |
| Amgen Inc. | 7 | $264.44 | |
| Novo Nordisk Inc | 11 | $242.26 | |
| Eisai Inc. | 4 | $164.06 | |
| E.R. Squibb & Sons, L.L.C. | 2 | $132.84 | |
| Bayer Healthcare Pharmaceuticals Inc. | 5 | $110.82 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $35.01 | |
| Novartis Pharmaceuticals Corporation | 1 | $28.76 | |
| Kiniksa Pharmaceuticals International, plc | 1 | $28.01 | |
| Lilly USA, LLC | 1 | $20.60 | |
| Xeris Pharmaceuticals, Inc. | 1 | $20.60 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 1 | $18.72 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
5,662
Patients
1,734
Total drug cost
$116,676
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 1,152 | 351 | $25,356 |
| Losartan Potassium | Generic | 737 | 220 | $13,357 |
| Metoprolol Succinate | Generic | 694 | 208 | $17,312 |
| Amlodipine Besylate | Generic | 513 | 158 | $7,562 |
| Metformin Hcl | Generic | 470 | 141 | $7,315 |
| Simvastatin | Generic | 371 | 114 | $6,170 |
| Levothyroxine Sodium | Generic | 235 | 63 | $5,685 |
| Alendronate Sodium | Generic | 234 | 79 | $3,872 |
| Metoprolol Tartrate | Generic | 217 | 78 | $2,167 |
| Fluticasone Propionate | Generic | 210 | 75 | $3,300 |
Frequently asked questions
What is Dr. Maggie Chau's medical specialty?
Dr. Maggie Chau practices Internal Medicine Physician in San Jose, CA.
Where does Dr. Maggie Chau practice?
Dr. Maggie Chau practices at 54 N Bascom Ave, San Jose, CA 951281801. Office phone: 4089238098.
What is Dr. Maggie Chau's NPI?
Dr. Maggie Chau's National Provider Identifier (NPI) is 1568576445, issued by NPPES.
Does Dr. Maggie Chau accept Medicare assignment?
Yes. Dr. Maggie Chau accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Maggie Chau commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Influenza vaccine split virus, preservative free (HCPCS 90662); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.