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

Dr. Darrel Brent Keyser, MD

Individual provider Surgery of the Hand (Surgery) Physician · NPI 1346292539

Dr. Darrel Brent Keyser, MD is a Surgery of the Hand (Surgery) Physician in Hayward, 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

27206 Calaroga Ave Ste 115
Hayward, CA 94545-4300
Phone: (510) 259-1201
Fax: (510) 259-1203
Show map & directions

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

Specialties & licences

Surgery of the Hand (Surgery) Physician (primary) Taxonomy 2086S0105X · Licence G54893 (CA)

Record details

NPI number1346292539
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 16, 2006
Last updated in NPPESJuly 8, 2007