Critical Care Medicine Doctors in Walnut Creek, CA Accepting Medicare

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26 Critical Care Medicine doctors found. Showing 21 - 26
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Dr. Anne Maria Grzegorczyk, M.D.
Internal Medicine - Critical Care Medicine
Medicare: Medicare Enrolled
Practice Location: 2700 Ygnacio Valley Rd Ste 100, Walnut Creek, CA 94598
Phone: 925-939-3050    
male doctor icon
Dr. Nathan Khoa Nguyen, M.D.
Internal Medicine - Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Medical Office Building 1st Floor, Walnut Creek, CA 94596
Phone: 925-295-4050    
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Dr. Andrew Chu, M.D.
Internal Medicine - Critical Care Medicine
Medicare: Medicare Enrolled
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
male doctor icon
Dr. Nader Kamangar, MD
Internal Medicine - Critical Care Medicine
Medicare: Medicare Enrolled
Practice Location: 1399 Ygnacio Valley Rd, Ste 14, Walnut Creek, CA 94598
Phone: 925-939-3050    Fax: 925-939-3057
male doctor icon
Kuruganti P. Reddy, MD
Internal Medicine - Critical Care Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
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Martin F. Mazar, MD
Internal Medicine - Critical Care Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1425 S Main St, Walnut Creek, CA 94596
Phone: 925-295-4000    
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Critical Care Medicine: An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.


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.