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DR. KARYN W. PRESTON PHARM.D.
NPI 1497847974
Counselor - Mental Health in Simi Valley, CA

Active since September 29, 2006
1985 YOSEMITE AVE STE 230, SIMI VALLEY, CA 93063(805) 244-6257 Get Directions Write a Review

NPPES record last updated: March 13, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Karyn W. Preston Pharm.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. KARYN W. PRESTON PHARM.D. (NPI 1497847974) is an individual mental health provider in Simi Valley, California and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1497847974
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameDR. KARYN W. PRESTONCredential: PHARM.D.
Location Address1985 YOSEMITE AVE STE 230Simi Valley, CA 93063-5200
Mailing Address1985 Yosemite Ave Ste 230Simi Valley, CA 93063-5200 · (805) 244-6257
Phone(805) 244-6257
Sole ProprietorNo
Enumeration DateSeptember 29, 2006
Last NPPES UpdateMarch 13, 2025
NPPES CertifiedMarch 13, 2025
✔ NPI 1497847974 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
Also ListedPharmacistTaxonomy 183500000X · License 52215 (CA)
1985 YOSEMITE AVE STE 230, Simi Valley, CA 93063
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Other Names 1

Former Name (1)Dr. Karyn Wu Pharm.d.

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ADAM M CROSS LMFT
Marriage & Family Therapist
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (805) 428-3755
OHANA FAMILY COUNSELING
Counselor (Mental Health)
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (805) 551-7957
JENNIFER LYNNE GABRIEL APCC
Counselor (Mental Health)
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (805) 517-4846
DEBORAH LYNN NORRIS-OBERTO APCC
Counselor (Mental Health)
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (818) 646-7071
DEBBIE CIULLA LMFT
Marriage & Family Therapist
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (805) 551-7957
ALEJANDRA PEREZ ARELLANO RDN
Dietitian, Registered
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (805) 870-5588
MRS. EMILY SIELAFF MA,APCC
Counselor (Mental Health)
1985 YOSEMITE AVE STE 230
SIMI VALLEY, CA 93063
Ventura County (805) 876-4616

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karyn Preston's NPI number?

The NPI number for Karyn Preston is 1497847974. It was assigned to this individual provider in the NPPES registry on September 29, 2006. The provider is also known as Dr. Karyn Wu Pharm.D..

Where is Karyn Preston located?

Karyn Preston practices at 1985 Yosemite Ave Ste 230, Simi Valley, CA 93063. The listed phone number is (805) 244-6257.

What is Karyn Preston's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Karyn Preston was last updated on March 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.