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

Karen Holbrook, MS, CGC

Individual provider Genetic Counselor (M.S.) · NPI 1386924223

Karen Holbrook, MS, CGC is a Genetic Counselor (M.S.) in San Jose, California. Practices as a sole proprietor. Registered with an NPI since 2011.

In the registry since
2011
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

5755 Cottle Rd Bldg 1
San Jose, CA 95123-3640
Phone: (408) 972-3300
Show map & directions

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

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X

Record details

NPI number1386924223
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CGC
Sole proprietorYes
NPI enumeratedAugust 24, 2011
Last updated in NPPESAugust 24, 2011

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