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

Treg Antioch I Op Co Director LLC; Agemark Management, LLC

Organization Assisted Living Facility · NPI 1518723675

Treg Antioch I Op Co Director LLC; Agemark Management, LLC is an Assisted Living Facility in Antioch, California. Registered with an NPI since 2024.

In the registry since
2024
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

3950 Lone Tree Way
Antioch, CA 94509-6271
Phone: (925) 470-3395
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Assisted Living Facility (primary) Taxonomy 310400000X

Record details

NPI number1518723675
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Janelle Lopez — Operations Specialist · (510) 230-3165
Other names Trevista Antioch
NPI enumeratedFebruary 26, 2024
Last updated in NPPESFebruary 26, 2024
Certification dateFebruary 26, 2024
Mailing address3950 Lone Tree Way, Antioch, CA 94509-6271

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