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

MS. Sandra Duncan Simmer

Individual provider Case Manager/Care Coordinator · NPI 1558749044

MS. Sandra Duncan Simmer is a Case Manager/Care Coordinator in San Diego, California. Practices as a sole proprietor. Registered with an NPI since 2015.

In the registry since
2015

Practice location Address checks out

5005 Texas St Ste 203
San Diego, CA 92108-3723
Phone: (619) 692-0727
Fax: (619) 692-0785
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1558749044
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedMay 15, 2015
Last updated in NPPESMay 15, 2015

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