Doctor profile · Federal record
Dr. Teresa Chen, M.D.
Nephrology Physician (CMS: Nephrology) · Internal Medicine Physician · Nephrology Physician · San Francisco, CA
- NPI 1336352558
- Accepts Medicare
- MIPS 70.8 / 100 · 2023
- 20 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
400 Parnassus Ave
San Francisco, CA 941432202
(415) 353-1551 - Additional location
-
1001 Potrero Ave. Bldg. 100, 3Rd Fl. #342
San Francisco, CA 941103518
(628) 206-8843
Credentials & registration
- NPI registered
- May 2007 — 19 yrs on file
- Profile last updated
- September 26, 2025
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 207RN0300X — NUCC code
- State licenses (2)
- California #C179475 · Maryland #D71030
- Medicaid
- MD #054883900
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1336352558. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
165
Distinct HCPCS
3
Medicare allowed
$20,337
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 80 | 42 | $163 | |
G2212 |
Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or | 60 | 30 | $36 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 25 | 25 | $205 |
In context: peer comparison
Among 20 peers in this city , average services per provider: 116. This provider delivers 1.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
25
Patients
0
Total drug cost
$264
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Losartan Potassium | Generic | 13 | 0 | $98 |
| Lisinopril | Generic | 12 | 0 | $166 |
Hospital affiliations
Frequently asked questions
What is Dr. Teresa Chen's medical specialty?
Dr. Teresa Chen practices Nephrology Physician in San Francisco, CA.
Where does Dr. Teresa Chen practice?
Dr. Teresa Chen practices at 400 Parnassus Ave, San Francisco, CA 941432202. Office phone: 4153531551.
What is Dr. Teresa Chen's NPI?
Dr. Teresa Chen's National Provider Identifier (NPI) is 1336352558, issued by NPPES.
Does Dr. Teresa Chen accept Medicare assignment?
Yes. Dr. Teresa Chen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Teresa Chen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Prolonged office or other outpatient evaluation and management service(s) beyond the maximum required time of the primary procedure which has been selected using total time on the date of the primary service; each additional 15 minutes by the physician or (HCPCS G2212); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.