Doctor profile · Federal record
Dr. Lydia Chou, NP
Nurse Practitioner · Adult Health Nurse Practitioner · Family Nurse Practitioner · Family Nurse Practitioner · Stanford, CA
- NPI 1679914501
- Accepts Medicare
- 14 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
10710 N Torrey Pines RD
La Jolla, CA 920371035
(858) 554-8788 - Additional location
-
5725 W Las Positas Blvd Ste 100
Pleasanton, CA 945884007
(925) 734-8130
fax (925) 225-9520
Credentials & registration
- NPI registered
- July 2013 — 13 yrs on file
- Profile last updated
- December 30, 2025
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State licenses (2)
- California #95021375 · Maryland #R181999
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679914501. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
471
Distinct HCPCS
8
Medicare allowed
$27,625
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 229 | 139 | $82 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 114 | 11 | $0 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 38 | 35 | $121 | |
96375 |
Injection of additional new drug or substance into vein | 33 | 15 | $17 | |
85025 |
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 20 | 20 | $8 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 14 | 14 | $146 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 12 | 12 | $102 | |
96372 |
Injection of drug or substance under skin or into muscle | 11 | 11 | $15 |
In context: peer comparison
Among 150 peers in Stanford Nurse Practitioner, average services per provider: 60. This provider delivers 7.9× the peer median.Open Payments
Industry payments received
All-time total
$576
Transactions
20
Manufacturers
10
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Daiichi Sankyo INC. | 6 | $140.31 | |
| Merck Sharp & Dohme LLC | 3 | $83.42 | |
| Janssen Biotech, INC. | 2 | $82.56 | |
| Kite Pharma, INC. | 1 | $82.38 | |
| Coherus Biosciences INC. | 2 | $51.42 | |
| Lilly USA, LLC | 2 | $50.24 | |
| Pfizer INC. | 1 | $24.64 | |
| Celgene Corporation | 1 | $24.08 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $20.47 | |
| Eisai INC. | 1 | $16.62 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
155
Patients
28
Total drug cost
$17,671
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Acyclovir | Generic | 41 | 16 | $1,285 |
| Hydroxyurea | Generic | 31 | 12 | $742 |
| Gabapentin | Generic | 24 | 0 | $514 |
| Dexamethasone | Generic | 17 | 0 | $342 |
| Eliquis (Apixaban) | Brand | 15 | 0 | $13,537 |
| Prednisone | Generic | 15 | 0 | $158 |
| Fluconazole | Generic | 12 | 0 | $1,092 |
Hospital affiliations
Frequently asked questions
What is Dr. Lydia Chou's medical specialty?
Dr. Lydia Chou practices Nurse Practitioner in Stanford, CA.
Where does Dr. Lydia Chou practice?
Dr. Lydia Chou practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Lydia Chou's NPI?
Dr. Lydia Chou's National Provider Identifier (NPI) is 1679914501, issued by NPPES.
Does Dr. Lydia Chou accept Medicare assignment?
Yes. Dr. Lydia Chou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Lydia Chou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.