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

Dr. Leonard Tsung-Wei Ong, MD

Individual provider Diagnostic Radiology Physician · NPI 1376854281

Dr. Leonard Tsung-Wei Ong, MD is a Diagnostic Radiology in Santa Monica, California. Qualified in 2010, 16 years ago. Practices with Riverside Radiology and Interventional Associates Inc, a 245-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in California, Illinois, North Carolina and New York.

Years since qualifying
16
Licensed in
CA, IL, NC, NY
In the registry since
2010
Specialties on file
5
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

2428 Santa Monica Blvd
Santa Monica, CA 90404-2045
Phone: (310) 315-1000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 200 W Arbor Dr, San Diego, CA 92103-9000 — (800) 926-8273
  • 3815 Highland Ave, Downers Grove, IL 60515-1500 — (708) 304-9400
  • 2460 Curtis Ellis Dr, Rocky Mount, NC 27804-2237 — (252) 962-8186

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 271674 (NY)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 2023-02351 (NC)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence A122632 (CA)
Body Imaging Physician Taxonomy 2085B0100X · Licence A122632 (CA)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 036.178907 (IL)

Record details

NPI number1376854281
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 24, 2010
Last updated in NPPESMarch 25, 2026
Certification dateMarch 25, 2026

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolOTHER
Graduated 2010 (16 years in practice)
Group practice Riverside Radiology And Interventional Associates Inc — 245 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations26 on file with Medicare

Other providers in Santa Monica