ELLEN O'CONNOR MESSINGER LCSW
NPI 1114028347
Counselor - Mental Health in Oakland, CA

Q: What is Ellen Messinger's NPI number?

The NPI number for Ellen Messinger is 1114028347. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Q: What is Ellen Messinger's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Ellen Messinger was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.

Active since September 26, 2006

670 VERNON ST., #306, OAKLAND, CA 94610(510) 601-6810 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Ellen O'connor Messinger Lcsw NPPES

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

ELLEN O'CONNOR MESSINGER LCSW (NPI 1114028347) is an individual mental health provider in Oakland, California, licensed in California (LCS 14070) and active in the NPI registry since September 2006.

NPPES Registry Identity

NPI1114028347

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameELLEN O'CONNOR MESSINGERCredential: LCSW

Location Address670 VERNON ST., #306Oakland, CA 94610-1405

Mailing Address670 Vernon St., #306Oakland, CA 94610-1405 · (510) 601-6810

Phone(510) 601-6810

Sole ProprietorYes

Enumeration DateSeptember 26, 2006

Last NPPES UpdateJuly 8, 2007

✔ NPI 1114028347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in CA · LCS 14070

670 VERNON ST., Oakland, CA 94610

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

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 Ellen Messinger's NPI number?

The NPI number for Ellen Messinger is 1114028347. It was assigned to this individual provider in the NPPES registry on September 26, 2006.

Where is Ellen Messinger located?

Ellen Messinger practices at 670 Vernon St. #306, Oakland, CA 94610. The listed phone number is (510) 601-6810.

What is Ellen Messinger's specialty?

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

What insurance does Ellen Messinger accept?

Health plans from Providence Health Plan list Ellen Messinger as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Ellen Messinger was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.