Physician Profile
Unclaimed ProfileAbout LOO
Sonja Nicole Loo, M.D. is a healthcare provider in Santa Monica, CA specialising in anesthesiology. Sonja trained at Medical College of Wisconsin, graduating in 2008.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What does Dr. Loo specialise in?
Dr. Loo is an anesthesiology in Santa Monica, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “ANESTHESIOLOGY”.
NPI registry
Where is Dr. Loo located?
Dr. Loo is listed at 2121 SANTA MONICA BLVD C/O ANESTHESIA DEPARTMENT ST. JOHN'S HEALTH CENTER, Santa Monica, CA 90404. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Loo's phone number?
The number on file is (503) 468-6333. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Loo's NPI number?
Dr. Loo's National Provider Identifier is 1952563108. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Loo go to medical school?
Dr. Loo attended Medical College of Wisconsin, graduating in 2008. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Loo been practising?
Dr. Loo has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Loo do most often?
According to Medicare billing data, Dr. Loo provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for procedure on small and large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Loo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Loo. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (503) 468-6333
- Email not available
Practice Locations
2121 SANTA MONICA BLVD C/O ANESTHESIA DEPARTMENT ST. JOHN'S HEALTH CENTER
Santa Monica, CA 90404
Procedures Most Often Billed to Medicare
42 services · 42 patients · 3 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
15 |
| Anesthesia for procedure on small and large bowel using an endoscope | Anaesthesia | 00813 |
14 |
| Anesthesia for exam of colon using an endoscope | Anaesthesia | 00812 |
13 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other anesthesiology specialists at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other anesthesiology specialists in Santa Monica 7
Same specialty, same city.
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 2008 at Medical College of Wisconsin 7
Providers who graduated from the same medical school in the same year.
Also performs Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.