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

Sierra Occupational Services

Organization Family Medicine Physician · NPI 1306990015

Sierra Occupational Services is a Family Medicine Physician in Stockton, California. Registered with an NPI since 2007.

In the registry since
2007
Specialties on file
2

Practice location Address checks out

1429 W Fremont St
Stockton, CA 95203-2627
Phone: (209) 546-7767
Fax: (209) 546-7785
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Occupational Medicine Physician (primary) Taxonomy 2083X0100X
Family Medicine Physician Taxonomy 207Q00000X

Record details

NPI number1306990015
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official James Sepiol — Preident · (209) 546-7767
NPI enumeratedJanuary 22, 2007
Last updated in NPPESSeptember 11, 2025
Mailing address1429 W Fremont St, Stockton, CA 95203-2627

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