Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Martin Holt Walker, MD

Individual provider Internal Medicine Physician · NPI 1548305865

Martin Holt Walker, MD is an Internal Medicine Physician in Carpinteria, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

4575 El Carro Ln
Carpinteria, CA 93013-1304
Phone: (805) 684-1013
Fax: (805) 684-1013
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G 20811 (CA)

Record details

NPI number1548305865
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 21, 2007
Last updated in NPPESJuly 8, 2007
Mailing address4575 El Carro Ln, Carpinteria, CA 93013-1304

Other providers in Carpinteria