Doctor profile · Federal record
Dr. Ellen Chang, MD
Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · San Francisco, CA
- NPI 1427450212
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1001 Potrero Avenue, Building 5, 1St Floor
San Francisco, CA 941103518
(628) 206-8020 - Additional location
-
1500 San Pablo St Fl 2
Los Angeles, CA 900335313
(323) 442-8541 - Mailing address
-
Po Box 743749
Los Angeles, CA 900743749
Credentials & registration
- NPI registered
- September 2014 — 12 yrs on file
- Profile last updated
- August 29, 2022
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 2085R0202X — NUCC code
- State licenses (2)
- California #A168940 · Missouri #2019019873
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1427450212. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,105
Distinct HCPCS
10
Medicare allowed
$62,126
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
71045 |
X-ray of chest, 1 view | 1,097 | 902 | $10 | |
74018 |
X-ray of abdomen, 1 view | 409 | 230 | $10 | |
73630 |
X-ray of foot, minimum of 3 views | 292 | 236 | $9 | |
73030 |
X-ray of shoulder, minimum of 2 views | 286 | 259 | $10 | |
71046 |
X-ray of chest, 2 views | 281 | 269 | $12 | |
72100 |
X-ray of lower and sacral spine, 2-3 views | 213 | 206 | $12 | |
73130 |
X-ray of hand, minimum of 3 views | 168 | 148 | $10 | |
73502 |
X-ray of hip, 2-3 views | 161 | 149 | $12 | |
73560 |
X-ray of knee, 1-2 views | 149 | 123 | $9 | |
72170 |
X-ray of pelvis, 1-2 views | 143 | 139 | $10 |
In context: peer comparison
Among 102 peers in San Francisco Diagnostic Radiology Physician, average services per provider: 133. This provider delivers 38× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Ellen Chang's medical specialty?
Dr. Ellen Chang practices Diagnostic Radiology Physician in San Francisco, CA.
Where does Dr. Ellen Chang practice?
Dr. Ellen Chang practices at 1001 Potrero Avenue, San Francisco, CA 941103518. Office phone: 6282068020.
What is Dr. Ellen Chang's NPI?
Dr. Ellen Chang's National Provider Identifier (NPI) is 1427450212, issued by NPPES.
Does Dr. Ellen Chang accept Medicare assignment?
Yes. Dr. Ellen Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Chang commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); X-ray of abdomen, 1 view (HCPCS 74018); X-ray of foot, minimum of 3 views (HCPCS 73630). Source: CMS Medicare Physician & Other Practitioners file.