Doctor profile · Federal record
Dr. Isabel Chang
Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Orange, CA
- NPI 1821452293
- Accepts Medicare
- MIPS 67.3 / 100 · 2023
- 10 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
333 City Blvd W Ste 2150
Orange, CA 928685920
(714) 456-5501 - Additional location
-
300 Pasteur Dr, H3591
Stanford, CA 943052200
(650) 498-6606 - Mailing address
-
300 Pasteur Dr, H3591
Stanford, CA 943052200
Credentials & registration
- NPI registered
- April 2016 — 10 yrs on file
- Profile last updated
- April 4, 2021
- Year of graduation
- 2016 — 10 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #A156035
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1821452293. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
101
Distinct HCPCS
5
Medicare allowed
$13,795
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00731 |
Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | 32 | 32 | $139 | |
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 28 | 28 | $123 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 15 | 15 | $155 | |
01938 |
Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance | 15 | 14 | $128 | |
00142 |
Anesthesia for lens surgery | 11 | 11 | $153 |
In context: peer comparison
Among 76 peers in Orange Anesthesiology Physician, average services per provider: 29. This provider delivers 3.5× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Isabel Chang's medical specialty?
Dr. Isabel Chang practices Anesthesiology Physician in Orange, CA.
Where does Dr. Isabel Chang practice?
Dr. Isabel Chang practices at 333 City Blvd W Ste 2150, Orange, CA 928685920. Office phone: 7144565501.
What is Dr. Isabel Chang's NPI?
Dr. Isabel Chang's National Provider Identifier (NPI) is 1821452293, issued by NPPES.
Does Dr. Isabel Chang accept Medicare assignment?
Yes. Dr. Isabel Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Isabel Chang commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for procedure on small and large bowel using an endoscope (HCPCS 00813). Source: CMS Medicare Physician & Other Practitioners file.