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MS. HAROLYN TOLIVER SUDCC IV
NPI 1093991937
Counselor - Addiction (Substance Use Disorder) in Oakland, CA

Active since January 10, 2008
1342 E 27TH ST, OAKLAND, CA 94606(510) 535-0611(510) 535-1358 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Harolyn Toliver Sudcc Iv NPPES

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

MS. HAROLYN TOLIVER SUDCC IV (NPI 1093991937) is an individual addiction (substance use disorder) provider in Oakland, California, licensed in California (6816) and active in the NPI registry since January 2008.

NPPES Registry Identity

NPI1093991937
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMS. HAROLYN TOLIVERCredential: SUDCC IV
Location Address1342 E 27TH STOakland, CA 94606-3266
Mailing Address1342 E 27th StOakland, CA 94606-3266 · (510) 535-0611 · Fax (510) 535-1358
Phone(510) 535-0611
Fax(510) 535-1358
Sole ProprietorNo
Enumeration DateJanuary 10, 2008
Last NPPES UpdateJanuary 16, 2026
NPPES CertifiedJanuary 16, 2026
✔ NPI 1093991937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in CA · 6816
1342 E 27TH ST, Oakland, CA 94606
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Other Providers at the Same Location NPPES 6

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

MS. TINA MARIE MCCLAIN CADC-1
Counselor (Addiction (Substance Use Disorder))
1342 E 27TH ST
OAKLAND, CA 94606
Alameda County (510) 535-0611
BIBETT CORPORATION
Community Based Residential Treatment Facility, Mental Illness
1342 E 27TH ST
OAKLAND, CA 94606
Alameda County (510) 535-0611
JEANELLE ROOS SUDRC
Counselor (Addiction (Substance Use Disorder))
1342 E 27TH ST
OAKLAND, CA 94606
Alameda County (510) 535-0611
ORCHID RECOVERY CENTER
Substance Abuse Rehabilitation Facility
1342 E 27TH ST
OAKLAND, CA 94606
Alameda County (510) 535-0611
MS. DARLENE YVETTE MITCHELL SUDCC III CS
Counselor (Addiction (Substance Use Disorder))
1342 E 27TH ST
OAKLAND, CA 94606
Alameda County (510) 827-9104
CHALEEN WHITE-LEACH
Counselor (Addiction (Substance Use Disorder))
1342 E 27TH ST
OAKLAND, CA 94606
Alameda County (510) 535-0611

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 Harolyn Toliver's NPI number?

The NPI number for Harolyn Toliver is 1093991937. It was assigned to this individual provider in the NPPES registry on January 10, 2008.

Where is Harolyn Toliver located?

Harolyn Toliver practices at 1342 E 27th St, Oakland, CA 94606. The listed phone number is (510) 535-0611.

What is Harolyn Toliver's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Harolyn Toliver was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.