A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. Martin Walker:
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Specialties & Research
Dr. Martin Walker, MD is board certified in Internal Medicine, Hematology, and Medical Oncology.
Education & Awards
Dr. Walker graduated from Virginia Commonwealth University, Richmond.
Dr. Walker has 1 hospital affiliations:
- Cottage Hospital
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- Additional Information
- Dr. Martin Holt Walker MD is a male Internist, has 40 years of experience and practices in Internal Medicine, Hematology, and Medical Oncology.
- Where does Dr. Martin H. Walker practice?
- Dr. Martin Walker has 2 office locations.
Dr. Martin Walker practices Internal Medicine, Hematology, and Medical Oncology near Carpinteria, CA.
Additional practice locations include: La Jolla, CA.
See Carpinteria Internists, Carpinteria Hematologists, and Carpinteria Oncologists.