Internal Medicine Doctors in Fountain Valley, CA Accepting Medicare

  1. Home
  2. Internal Medicine
  3. California
  4. Fountain Valley
186 Internal Medicine doctors found. Showing 181 - 186
female doctor icon
Fazilath Fatima, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 17360 Brookhurst St, Fountain Valley, CA 92708
Phone: 657-241-3592    
male doctor icon
Manish Marolia, M.D.
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 11180 Warner Ave # 380, Fountain Valley, CA 92708
Phone: 714-596-5557    Fax: 714-486-1604
male doctor icon
Dr. Ronald J Policastro, M.D.
Internal Medicine - Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 18111 Brookhurst St, Ste 5200, Fountain Valley, CA 92708
Phone: 714-962-7705    Fax: 714-962-7701
male doctor icon
Sanjiv Manubhai Patel, M.D.
Internal Medicine - Interventional Cardiology
Medicare: Accepting Medicare Assignments
Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    Fax: 714-434-8145
male doctor icon
Dr. Dinesh K Patel, M.D.
Internal Medicine - Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 9900 Talbert Ave # 203, Fountain Valley, CA 92708
Phone: 714-378-7010    
male doctor icon
Dr. John K Lok, M.D.
Internal Medicine - Infectious Disease
Medicare: Medicare Enrolled
Practice Location: 11160 Warner Ave, Suite 323, Fountain Valley, CA 92708
Phone: 714-751-7002    Fax: 714-751-9340

Internal Medicine: A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.


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.