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

Isabel N Sierra

Individual provider Case Manager/Care Coordinator · NPI 1366100398

Isabel N Sierra is a Case Manager/Care Coordinator in Crestline, California. Licensed in California. Registered with an NPI since 2021.

Licensed in
CA
In the registry since
2021
Specialties on file
3

Practice location Address checks out

340 CA-138
Crestline, CA 92325-9232
Phone: (909) 336-3330
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 156441 (CA)
Case Manager/Care Coordinator Taxonomy 171M00000X
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1366100398
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedDecember 7, 2021
Last updated in NPPESJuly 29, 2025
Certification dateJuly 29, 2025
Mailing addressPo Box 6232, Crestline, CA 92325-6232

Other providers in Crestline