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OSATO MEDICAL CLINIC INC.
NPI 1740259266
Internal Medicine - Gastroenterology in Torrance, CA

Active since March 16, 2006
2860 SEPULVEDA BLVD, TORRANCE, CA 90505(310) 534-8200 Get Directions Write a Review

NPPES record last updated: January 12, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Osato Medical Clinic Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

OSATO MEDICAL CLINIC INC. (NPI 1740259266) is a healthcare organization registered as a gastroenterology in Torrance, California and active in the NPI registry since March 2006. The organization lists Masaharu Osato, Owner, as its authorized official.

NPPES Registry Identity

NPI1740259266
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameOSATO MEDICAL CLINIC INC.
Location Address2860 SEPULVEDA BLVDTorrance, CA 90505-2803
Mailing AddressPo Box 3098Torrance, CA 90510-3098 · (310) 792-3914 · Fax (855) 898-4055
Phone(310) 534-8200
Organization SubpartNo
Authorized OfficialMasaharu OsatoOwner · (310) 534-8200
Enumeration DateMarch 16, 2006
Last NPPES UpdateJanuary 12, 2024
NPPES CertifiedJanuary 12, 2024
✔ NPI 1740259266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X
2860 SEPULVEDA BLVD, Torrance, CA 90505
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Osato Medical Clinic Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

4

Medicare enrollment records show 4 clinicians reassign Medicare billing to Osato Medical Clinic Inc., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 3 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Kazumasa Osato
Internal Medicine
NPI 1134748015
2860 SEPULVEDA BLVD
Torrance, CA 90505
(310) 534-8200
✔ PECOS✔ Accepts MedicareSame address
Masaharu Osato, M.D.
Gastroenterology
NPI 1265470280
3440 LOMITA BLVD SUITE#224
Torrance, CA 90505
(310) 534-8200
✔ PECOS✔ Accepts Medicare0.9 mi
Yutaka Niihara, M.D.
Hematology/Oncology
NPI 1467480459
21840 NORMANDIE AVE STE. 700
Torrance, CA 90502
(310) 222-5101
✔ PECOS✔ Accepts Medicare2.2 mi
Fusako Hatasaka
Nurse Practitioner
NPI 1689090656
1701 E CESAR E CHAVEZ AVE SUITE 305
Los Angeles, CA 90033
(323) 222-0137
✔ PECOS✔ Accepts Medicare17 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Osato Medical Clinic Inc.'s NPI number?

The NPI number for Osato Medical Clinic Inc. is 1740259266. It was assigned to this organization in the NPPES registry on March 16, 2006.

Where is Osato Medical Clinic Inc. located?

Osato Medical Clinic Inc. is located at 2860 Sepulveda Blvd, Torrance, CA 90505. The listed phone number is (310) 534-8200.

What is Osato Medical Clinic Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Osato Medical Clinic Inc. enrolled in Medicare?

Yes. Osato Medical Clinic Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Osato Medical Clinic Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Osato Medical Clinic Inc., in Gastroenterology, Hematology/Oncology, Internal Medicine and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Osato Medical Clinic Inc. was last updated on January 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.