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

Mrs. Ellen J Thomas, MS, CGC

Individual provider Genetic Counselor (M.S.) · NPI 1285618694

Mrs. Ellen J Thomas, MS, CGC is a Genetic Counselor (M.S.) in San Carlos, California. Registered with an NPI since 2005.

In the registry since
2005
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

201 Industrial Rd Ste 410
San Carlos, CA 94070-2396
Phone: (650) 249-9091
Fax: (650) 730-2276
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 number1285618694
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , CGC
Sole proprietorNo
NPI enumeratedNovember 30, 2005
Last updated in NPPESJune 19, 2015

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