Preventive Medicine Doctors in Ontario, CA Accepting Medicare

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4 Preventive Medicine doctors found. Showing 1 - 4
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Dr. Jose Alvarez De La Llana, M.D.
Preventive Medicine - Public Health & General Preventive Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1749 S Euclid Ave, Ste A, Ontario, CA 91762
Phone: 909-972-0300    Fax: 909-984-4878
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Dr. Patricia Litonjua Santa Maria Fernandez, M.D.
Preventive Medicine - Occupational Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 59 S Milliken Ave, Suite 100, Ontario, CA 91761
Phone: 909-605-8888    Fax: 909-605-8855
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Dr. Gilbert Alfort Bush, MEDICAL DOCTOR
Preventive Medicine - Occupational Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 754 N Mountain Ave, Ontario, CA 91762
Phone: 909-460-4155    Fax: 909-988-4414
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William B Downs, M.D.
Preventive Medicine - Occupational Medicine
Medicare: Medicare Enrolled
Practice Location: 1101 S Milliken Ave, Suite C, Ontario, CA 91761
Phone: 615-778-4066    

Preventive Medicine: Aerospace medicine focuses on the clinical care, research, and operational support of the health, safety, and performance of crewmembers and passengers of air and space vehicles, together with the support personnel who assist operation of such vehicles. This population often works and lives in remote, isolated, extreme, or enclosed environments under conditions of physical and psychological stress. Practitioners strive for an optimal human-machine match in occupational settings rich with environmental hazards and engineering countermeasures.


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.