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

Barbara Jane Towner-Winchester, MD

Individual provider Internal Medicine Physician · NPI 1487691317

Barbara Jane Towner-Winchester, MD is an Internal Medicine Physician in Oakland, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

10700 Macarthur Blvd East Oakland Clinic Ste 14B
Oakland, CA 94605-5260
Phone: (510) 563-4300
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 G45418 (CA)

Record details

NPI number1487691317
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 31, 2006
Last updated in NPPESJanuary 5, 2012

Other providers in Oakland