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

Individual provider Genetic Counselor (M.S.) · NPI 1639794076

Joshua Ryan Barnhart, BS, MS is a Genetic Counselor (M.S.) in Walnut Creek, California. Licensed in California. Registered with an NPI since 2020.

Licensed in
CA
In the registry since
2020
What do these letters mean?
BS — Bachelor of Science
An undergraduate science degree.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

133 La Casa Via Ste 140
Walnut Creek, CA 94598-3005
Phone: (925) 941-4092
Fax: (925) 952-2758
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Genetic Counselor (M.S.) (primary) Taxonomy 170300000X · Licence GC001243 (CA)

Record details

NPI number1639794076
Entity typeIndividual (Type 1)
GenderMale
Credentials BS , MS
Sole proprietorNo
NPI enumeratedJune 11, 2020
Last updated in NPPESJune 11, 2020
Certification dateJune 11, 2020

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