Individual provider · Type 1 NPI

Isabel N. Sierra

Marriage & Family Therapist · Crestline, CA

NPI number 1366100398 Active

Practice location

340 CA-138
Crestline, CA 92325-9232

Call (909) 336-3330 Map

Mailing address

PO Box 6232
Crestline, CA 92325-6232

Specialties and licenses

TaxonomyCodeLicense
Case Manager/Care Coordinator 171M00000XNone listed
Student in an Organized Health Care Education/Training Program 390200000XNone listed
Marriage & Family Therapist Primary 106H00000X156441 (CA)

Marriage & Family Therapist: A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats ment…

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About NPI 1366100398

Isabel N. Sierra's National Provider Identifier is 1366100398, issued on Dec 7, 2021. The primary taxonomy on file is Marriage & Family Therapist (106H00000X), and the practice location is in Crestline, CA. The record was last updated on Jul 29, 2025.