Dr Masaharu Osato, MD - Medicare Gastroenterology in Torrance, CA

Dr Masaharu Osato, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Torrance, California. He went to Loma Linda University School Of Medicine and graduated in 1983 and has 41 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 3440 Lomita Blvd, Suite#224, Torrance, California. You can reach out to his office (for appointments etc.) via phone at (310) 534-8200.

Dr Masaharu Osato is licensed to practice in California (license number G060449) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1265470280.

Contact Information

Dr Masaharu Osato, MD
3440 Lomita Blvd, Suite#224,
Torrance, CA 90505-4801
(310) 534-8200
(310) 534-8265

Map and Direction




Physician's Profile

Full NameDr Masaharu Osato
GenderMale
SpecialityGastroenterology
Experience41 Years
Location3440 Lomita Blvd, Torrance, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Masaharu Osato attended and graduated from Loma Linda University School Of Medicine in 1983
  NPI Data:
  • NPI Number: 1265470280
  • Provider Enumeration Date: 06/03/2006
  • Last Update Date: 08/12/2014
  Medicare PECOS Information:
  • PECOS PAC ID: 6901843192
  • Enrollment ID: I20050408000978

Medical Identifiers

Medical identifiers for Dr Masaharu Osato such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1265470280NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology G060449 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence Little Company Of Mary Med Ctr TorranceTorrance, CAHospital
Torrance Memorial Medical CenterTorrance, CAHospital

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Masaharu Osato allows following entities to bill medicare on his behalf.
Entity NameOsato Medical Clinic Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1740259266
PECOS PAC ID: 7012912892
Enrollment ID: O20060929000201

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Masaharu Osato is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Masaharu Osato, MD
Po Box 3098,
Torrance, CA 90510-3098

Ph: (310) 792-3914
Dr Masaharu Osato, MD
3440 Lomita Blvd, Suite#224,
Torrance, CA 90505-4801

Ph: (310) 534-8200

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.