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

Dr. Fred Walton Parham, MD

Individual provider Internal Medicine Physician · NPI 1558330563

Dr. Fred Walton Parham, MD is an Internal Medicine Physician in Vacaville, California. Practices as a sole proprietor. Licensed in California.

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

1000 Nut Tree Rd
Vacaville, CA 95687 Not confirmed with CMS for 19 years — call before visiting
Phone: (707) 447-3600
Fax: (707) 446-6515
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 G43938 (CA)

Record details

NPI number1558330563
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 14, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Vacaville