Hal S Shimazu, MD - Medicare Family Practice in Orange, CA

Hal S Shimazu, MD is a medicare enrolled "Family Medicine" physician in Orange, California. He went to University Of California, Davis School Of Medicine and graduated in 1977 and has 47 years of diverse experience with area of expertise as Family Practice. His current practice location is 845 E Chapman Ave, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 997-2899.

Hal S Shimazu is licensed to practice in California (license number G37057) 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 1073682241.

Contact Information

Hal S Shimazu, MD
845 E Chapman Ave,
Orange, CA 92866
(714) 997-2899
(714) 289-7062

Map and Direction




Physician's Profile

Full NameHal S Shimazu
GenderMale
SpecialityFamily Practice
Experience47 Years
Location845 E Chapman Ave, Orange, 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:
  • Hal S Shimazu attended and graduated from University Of California, Davis School Of Medicine in 1977
  NPI Data:
  • NPI Number: 1073682241
  • Provider Enumeration Date: 11/06/2006
  • Last Update Date: 06/09/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 6305900507
  • Enrollment ID: I20090203000540

Medical Identifiers

Medical identifiers for Hal S Shimazu such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1073682241NPI-NPPES
00G370570MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine G37057 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
St Joseph HospitalOrange, 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. Hal S Shimazu allows following entities to bill medicare on his behalf.
Entity NameHal S Shimazu M D Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689977217
PECOS PAC ID: 0648459941
Enrollment ID: O20110119000306

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. Hal S Shimazu 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
Hal S Shimazu, MD
845 E Chapman Ave,
Orange, CA 92866-1622

Ph: (714) 997-2899
Hal S Shimazu, MD
845 E Chapman Ave,
Orange, CA 92866

Ph: (714) 997-2899

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.