Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Jon Warren Loo, MD

Individual provider Vascular & Interventional Radiology Physician · NPI 1871755017

Jon Warren Loo, MD is a Diagnostic Radiology in Laguna Hills, California. Graduated from Medical College of Wisconsin in 2008, 18 years ago. Practices with Memorialcare Medical Foundation, a 562-clinician group and accepts Medicare assignment. Licensed in California and Oregon.

Years since qualifying
18
Trained at
Medical College of Wisconsin
Licensed in
CA, OR
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

24451 Health Center Dr
Laguna Hills, CA 92653-3689
Phone: (949) 452-3573
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence A123551 (CA)
Vascular & Interventional Radiology Physician Taxonomy 2085R0204X · Licence PG167394 (OR)

Record details

NPI number1871755017
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 30, 2008
Last updated in NPPESApril 4, 2025
Certification dateApril 4, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2008 (18 years in practice)
Group practice Memorialcare Medical Foundation — 562 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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