Doctor profile · Federal record
Dr. Sonja Loo, M.D.
Anesthesiology Physician (CMS: Anesthesiology) · Santa Monica, CA
- NPI 1952563108
- Accepts Medicare
- 18 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2121 Santa Monica Blvd, C/O Anesthesia Department St. John's Health Center
Santa Monica, CA 904042303
(503) 468-6333
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- November 19, 2013
- Year of graduation
- 2008 — 18 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- California #A123220
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1952563108. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
13
Distinct HCPCS
1
Medicare allowed
$1,668
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 13 | 13 | $128 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 47. This provider delivers 0.3× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Sonja Loo's medical specialty?
Dr. Sonja Loo practices Anesthesiology Physician in Santa Monica, CA.
Where does Dr. Sonja Loo practice?
Dr. Sonja Loo practices at 2121 Santa Monica Blvd, Santa Monica, CA 904042303. Office phone: 5034686333.
What is Dr. Sonja Loo's NPI?
Dr. Sonja Loo's National Provider Identifier (NPI) is 1952563108, issued by NPPES.
Does Dr. Sonja Loo accept Medicare assignment?
Yes. Dr. Sonja Loo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Sonja Loo commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.