Internal Medicine Doctors in Walla Walla, WA Accepting Medicare

55 Internal Medicine doctors found. Showing 41 - 55
male doctor icon
John Casey Heffernan, DO
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 380 Chase Ave, Walla Walla, WA 99362
Phone: 509-897-5836    Fax: 509-897-5743
male doctor icon
S Steven Maxood, MD
Internal Medicine - Cardiovascular Disease
Medicare: Accepting Medicare Assignments
Practice Location: 401 W Poplar St, Walla Walla, WA 99362
Phone: 509-522-5731    Fax: 509-522-5747
male doctor icon
Dr. Oleksandr Seleverstov, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1129 S 2nd Ave Ste B, Walla Walla, WA 99362
Phone: 509-520-5520    
female doctor icon
Allison Bauer, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1120 W Rose St, Walla Walla, WA 99362
Phone: 509-525-3720    
male doctor icon
Dr. Lawrence S Zawatzky, M.D.
Internal Medicine - Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-0982
female doctor icon
Susan E Thompson, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1588
male doctor icon
Dr. Thomas P Koehler, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 401 W Poplar St, Hospitalists, Walla Walla, WA 99362
Phone: 509-522-5145    Fax: 509-522-5184
male doctor icon
Dr. Dan S Grinstead, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1588
male doctor icon
Dr. Michael J Wilcox, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    Fax: 509-522-1588
male doctor icon
Stevie Mazyck, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 W Poplar St, Walla Walla, WA 99362
Phone: 509-897-3320    
female doctor icon
Niralee Vaishnav, MD
Internal Medicine - Endocrinology, Diabetes & Metabolism
Medicare: Not Enrolled in Medicare
Practice Location: 55 W Tietan St, Walla Walla, WA 99362
Phone: 509-525-3720    
male doctor icon
Onder Orgul, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 301 W Poplar St Ste 100, Walla Walla, WA 99362
Phone: 509-897-8100    Fax: 509-897-5738
male doctor icon
Richard D Simon Jr., MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 401 W Poplar, Walla Walla, WA 99362
Phone: 509-522-5946    Fax: 509-522-5744
male doctor icon
Joseph F Meyer, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 W Poplar St, Walla Walla, WA 99362
Phone: 509-525-3320    
female doctor icon
Karen Geheb, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 401 W Poplar St, Walla Walla, WA 99362
Phone: 509-897-3320    
  • 1
  • 2
  • 3(current)

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.