Internal Medicine Doctors in Castro Valley, CA Accepting Medicare

71 Internal Medicine doctors found. Showing 21 - 40
female doctor icon
Dr. Diana Hess, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 20101 Lake Chabot Rd Fl 3, Castro Valley, CA 94546
Phone: 510-886-3400    
female doctor icon
Fatma Khakoo, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
female doctor icon
Prakriti Bista,
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
female doctor icon
Usha K Sunkara, M.D,
Internal Medicine - Hematology & Oncology
Medicare: Medicare Enrolled
Practice Location: 20055 Lake Chabot Rd Ste 130, Castro Valley, CA 94546
Phone: 510-888-0657    
male doctor icon
Aditya Vinay Vaze, MD
Internal Medicine - Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 20126 Stanton Ave Ste 100, Castro Valley, CA 94546
Phone: 510-537-3556    
female doctor icon
Marcia C Peck, MD
Internal Medicine - Endocrinology, Diabetes & Metabolism
Medicare: Accepting Medicare Assignments
Practice Location: 20130 Lake Chabot Rd, Suite 201, Castro Valley, CA 94546
Phone: 510-204-2574    Fax: 510-886-8466
male doctor icon
Petr Utrata, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 19100 Crest Ave Apt 24, Castro Valley, CA 94546
Phone: 650-288-8344    Fax: 510-274-5503
male doctor icon
Dr. Travis Sunlum Lee, D.O.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
male doctor icon
Khoa Dang Nguyen, M.D.
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
male doctor icon
Hasib Danai, D.O
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    
male doctor icon
Stanley Andrew Tan, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 20642 John Dr, Castro Valley, CA 94546
Phone: 510-785-5000    
male doctor icon
Wei-fang Ko, M.D.
Internal Medicine - Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 19845 Lake Chabot Rd, Suite, 104, Castro Valley, CA 94546
Phone: 510-537-4415    
female doctor icon
Dr. Mariam H Beshai, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-537-1234    
male doctor icon
Gene-yuan Chang, MD
Internal Medicine - Nephrology
Medicare: Accepting Medicare Assignments
Practice Location: 20055 Lake Chabot Rd, 230, Castro Valley, CA 94546
Phone: 510-881-1490    
female doctor icon
Saima Mahmood, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5618 Gold Creek Dr, Castro Valley, CA 94552
Phone: 256-473-9788    
female doctor icon
Priyanka Soin, M.D.
Internal Medicine
Medicare: May Accept Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-2956    
female doctor icon
Sindhu Radhakrishnan, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20103 Lake Chabot Rd, Castro Valley, CA 94546
Phone: 510-727-3256    Fax: 510-727-3107
female doctor icon
Irene Ang Dy, MD
Internal Medicine - Medical Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 20055 Lake Chabot Rd Ste 130, Castro Valley, CA 94546
Phone: 510-888-0657    
male doctor icon
Dr. Stephen M Lee, M.D.
Internal Medicine - Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 19845 Lake Chabot Rd, Suite, 104, Castro Valley, CA 94546
Phone: 510-537-4415    Fax: 510-537-8265
male doctor icon
Dr. Richard Ho, M. D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 20126 Stanton Ave Ste 201, Castro Valley, CA 94546
Phone: 510-581-2559    
  • 1
  • 2(current)
  • 3
  • 4

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.