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

Cornerstone Primary Care Inc

Organization Primary Care Clinic/Center · NPI 1528451523

Cornerstone Primary Care Inc is a Primary Care Clinic/Center in Walnut Creek, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

112 La Casa Via Ste 135
Walnut Creek, CA 94598-3091
Phone: (925) 378-4040
Fax: (925) 300-4224
Show map & directions

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

Specialties & licences

Primary Care Clinic/Center (primary) Taxonomy 261QP2300X · Licence FNP544411 (CA)

Record details

NPI number1528451523
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Anthony Bernens — Coo And Cfo · (925) 890-0415
NPI enumeratedMarch 15, 2015
Last updated in NPPESJune 3, 2015
Mailing address112 La Casa Via, Suite 135, Walnut Creek, CA 94598-3091

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