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

Ann Graves Walker, MD

Individual provider Internal Medicine Physician · NPI 1730374901

Ann Graves Walker, MD is an Internal Medicine Physician in Walnut, 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 →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1100 N Grand Ave Bldg 67B
Walnut, CA 91789-1341
Phone: (909) 594-5611
Fax: (909) 468-3997
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G85945 (CA)

Record details

NPI number1730374901
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 11, 2007
Last updated in NPPESSeptember 11, 2007

Other providers in Walnut