Are you Sonja N. Loo, M.D.? This profile is yours to edit: update your address, phone, photo and services.

Edit this profile

Physician Profile

Sonja N. Loo, M.D.

Is this you? Edit this profile

At a glance

About Dr. Loo

Sonja N. Loo, M.D. is a healthcare provider in Santa Monica, CA specializing in anesthesiology. Sonja trained at Medical College of Wisconsin, graduating in 2008. According to Medicare claims data, Sonja cared for 42 Medicare patients across 42 services. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, anesthesia for procedure on small and large bowel using an endoscope, and anesthesia for exam of colon using an endoscope. This provider record is associated with NPI 1952563108.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Anesthesiology (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 123220CurrentExpires Sep 2028Since 2012
NPINational Provider Identifier
1952563108Issued 2008

Snapshot · verify with the board ↗

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What does Sonja N. Loo specialize in?

Sonja N. Loo is an anesthesiologist in Santa Monica, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where is Sonja N. Loo located?

Sonja N. 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 Sonja N. Loo's phone number?

The number on file is (503) 468-6333. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Sonja N. Loo's NPI number?

Sonja N. 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 Sonja N. Loo train?

Sonja N. Loo attended Medical College of Wisconsin, graduating in 2008. This comes from the CMS National Downloadable File.

CMS public data

How long has Sonja N. Loo been practicing?

Sonja N. Loo has 18 years experience. Calculated from a graduation year of 2008, reported in the CMS National Downloadable File.

CMS public data

What does Sonja N. Loo do most often?

According to Medicare billing data, Sonja N. 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 Sonja N. Loo confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Sonja N. Loo. If this is you, claiming it is free.

Guide.md

Guide.md listings do not constitute medical advice or an endorsement.