Dr Ona Mae Reiko Shiroyama, OD - Medicare Optometrist in Ventura, CA

Dr Ona Mae Reiko Shiroyama, OD is a medicare enrolled "Optometrist" provider in Ventura, California. She went to Illinois College Of Optometry At Chicago and graduated in 1979 and has 45 years of diverse experience with area of expertise as Optometry. She is a member of the group practice Ventura Optometric Vision Care Inc. and her current practice location is 1280 S Victoria Ave, Suite 100, Ventura, California. You can reach out to her office (for appointments etc.) via phone at (805) 650-9922.

Dr Ona Mae Reiko Shiroyama is licensed to practice in California (license number 6802T) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1932142841.

Contact Information

Dr Ona Mae Reiko Shiroyama, OD
1280 S Victoria Ave, Suite 100,
Ventura, CA 93003-6555
(805) 650-9922
(805) 650-6656

Map and Direction




Healthcare Provider's Profile

Full NameDr Ona Mae Reiko Shiroyama
GenderFemale
SpecialityOptometry
Experience45 Years
Location1280 S Victoria Ave, Ventura, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Ona Mae Reiko Shiroyama attended and graduated from Illinois College Of Optometry At Chicago in 1979
  NPI Data:
  • NPI Number: 1932142841
  • Provider Enumeration Date: 06/14/2006
  • Last Update Date: 01/11/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 3274686134
  • Enrollment ID: I20090725000121

Medical Identifiers

Medical identifiers for Dr Ona Mae Reiko Shiroyama such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932142841NPI-NPPES
SD0068020MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152W00000XOptometrist 6802T (California)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Ventura Optometric Vision Care Inc.88200456366

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 Ona Mae Reiko Shiroyama allows following entities to bill medicare on her behalf.
Provider NameVentura Optometric Vision Care Inc.
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1619935103
PECOS PAC ID: 8820045636
Enrollment ID: O20050404001142

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 Ona Mae Reiko Shiroyama 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 Ona Mae Reiko Shiroyama, OD
1280 S Victoria Ave, Suite 100,
Ventura, CA 93003-6555

Ph: (805) 650-9922
Dr Ona Mae Reiko Shiroyama, OD
1280 S Victoria Ave, Suite 100,
Ventura, CA 93003-6555

Ph: (805) 650-9922

Reviews and Comments


Optometrist in Ventura, CA

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Gary Frank Strickland, O.D.
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Phone: 805-659-0250    Fax: 805-659-9275

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.