KAREN KASTEIN R.N.
NPI 1932650488
Registered Nurse - Addiction (Substance Use Disorder) in Oakland, CA

Active since October 19, 2016
10850 MACARTHUR BLVD STE 200, OAKLAND, CA 94605(510) 875-2300(510) 875-2310 Get Directions Write a Review

NPPES record last updated: October 19, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karen Kastein R.n. NPPES

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

KAREN KASTEIN R.N. (NPI 1932650488) is an individual addiction (substance use disorder) provider in Oakland, California, licensed in California (95107887) and active in the NPI registry since October 2016.

NPPES Registry Identity

NPI1932650488
Entity TypeIndividualFemale
Primary Taxonomy163WA0400X
Provider Legal NameKAREN KASTEINCredential: R.N.
Location Address10850 MACARTHUR BLVD STE 200Oakland, CA 94605-5266
Mailing Address10850 Macarthur Blvd Ste 200Oakland, CA 94605-5266 · (510) 875-2300 · Fax (510) 875-2310
Fax(510) 875-2310
Sole ProprietorNo
Enumeration DateOctober 19, 2016
NPI 1932650488 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyRegistered Nurse · Addiction (Substance Use Disorder)Nursing Service Providers
Taxonomy Code163WA0400X
License Licensed in CA · 95107887
10850 MACARTHUR BLVD STE 200, Oakland, CA 94605

Other Providers at the Same Location NPPES 10

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

Counselor (Addiction (Substance Use Disorder))
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Counselor (Addiction (Substance Use Disorder))
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Counselor (Professional)
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Counselor (Addiction (Substance Use Disorder))
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Counselor (Addiction (Substance Use Disorder))
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Counselor (Addiction (Substance Use Disorder))
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Clinic/Center (Methadone)
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605
Licensed Vocational Nurse
10850 MACARTHUR BLVD STE 200
OAKLAND, CA 94605

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 Karen Kastein's NPI number?

The NPI number for Karen Kastein is 1932650488. It was assigned to this individual provider in the NPPES registry on October 19, 2016.

Where is Karen Kastein located?

Karen Kastein practices at 10850 Macarthur Blvd Ste 200, Oakland, CA 94605. The listed phone number is (510) 875-2300.

What is Karen Kastein's specialty?

The primary specialty registered for this NPI is Registered Nurse, specializing in Addiction (Substance Use Disorder), with taxonomy code 163WA0400X.

When was this NPI record last updated?

The NPPES record for Karen Kastein was last updated on October 19, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 years 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.