Provider Profile
Isabel N. Sierra
Unclaimed ProfileAbout Isabel Sierra
Listed in the NPI registry as a marriage & family therapist, Isabel N. Sierra practices in Crestline, CA. Isabel is also listed as specializing in case manager / care coordinator and student in an organized health care education program.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (909) 336-3330
- Email not available
Practice Locations
340 CA-138
Crestline, CA 92325
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other marriage and family therapists at this location 7
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 8 related providers in 1 group
Common questions
What does Isabel N. Sierra specialize in?
Isabel N. Sierra is a marriage and family therapist in Crestline, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Marriage & Family Therapist”.
NPI registry
Where is Isabel N. Sierra located?
Isabel N. Sierra is listed at 340 Ca-138, Crestline, CA 92325. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Isabel N. Sierra's phone number?
The number on file is (909) 336-3330. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Isabel N. Sierra's NPI number?
Isabel N. Sierra's National Provider Identifier is 1366100398. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Isabel N. Sierra been practicing?
Isabel N. Sierra has 5+ years experience. Registered with an NPI since 2021. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Isabel N. Sierra confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Isabel N. Sierra. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.