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

Dr. Masaharu Osato, MD

Individual provider Gastroenterology Physician · NPI 1265470280

Dr. Masaharu Osato, MD is a Gastroenterology in Torrance, California. Graduated from Loma Linda University School of Medicine in 1983, 43 years ago. Practices with Osato Medical Clinic Inc, a 3-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
43
Trained at
Loma Linda University School of Medicine
Licensed in
CA
In the registry since
2006
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

2860 Sepulveda Blvd
Torrance, CA 90505-2803
Phone: (310) 534-8200
Fax: (310) 534-8200
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence G060449 (CA)

Record details

NPI number1265470280
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 3, 2006
Last updated in NPPESMarch 1, 2026
Certification dateMarch 1, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolLOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Osato Medical Clinic Inc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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