Doctor profile · Federal record
Dr. Doris Chen, MD
Internal Medicine Physician (CMS: Internal Medicine) · Stanford, CA
- NPI 1013273283
- Accepts Medicare
- MIPS 75.5 / 100 · 2023
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000 - Additional location
-
960 N San Antonio RD Ste 101
Los Altos, CA 940221346
(650) 498-9000
fax (650) 498-9000
Credentials & registration
- NPI registered
- April 2012 — 14 yrs on file
- Profile last updated
- April 18, 2024
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #A126815
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1013273283. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
37
Distinct HCPCS
1
Medicare allowed
$2,773
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 37 | 36 | $75 |
In context: peer comparison
Among 95 peers in Stanford Internal Medicine Physician, average services per provider: 85. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
12
Patients
0
Total drug cost
$303
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Memantine Hcl | Generic | 12 | 0 | $303 |
Hospital affiliations
Frequently asked questions
What is Dr. Doris Chen's medical specialty?
Dr. Doris Chen practices Internal Medicine Physician in Stanford, CA.
Where does Dr. Doris Chen practice?
Dr. Doris Chen practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Doris Chen's NPI?
Dr. Doris Chen's National Provider Identifier (NPI) is 1013273283, issued by NPPES.
Does Dr. Doris Chen accept Medicare assignment?
Yes. Dr. Doris Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Doris Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.