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RONALD REECE GREIN
NPI 1497606834
Counselor - Mental Health in Oakley, CA

Active since February 03, 2026
1401 MALLARD LN, OAKLEY, CA 94561(253) 625-0976 Get Directions Write a Review

NPPES record last updated: February 3, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ronald Reece Grein NPPES

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

RONALD REECE GREIN (NPI 1497606834) is an individual mental health provider in Oakley, California, licensed in California (APCC21726) and active in the NPI registry since February 2026.

NPPES Registry Identity

NPI1497606834
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameRONALD REECE GREIN
Location Address1401 MALLARD LNOakley, CA 94561-2014
Mailing Address1401 Mallard LnOakley, CA 94561-2014 · (253) 625-0976
Phone(253) 625-0976
Sole ProprietorNo
Enumeration DateFebruary 3, 2026
NPPES CertifiedFebruary 3, 2026
✔ NPI 1497606834 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 · APCC21726
1401 MALLARD LN, Oakley, CA 94561
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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 Ronald Grein's NPI number?

The NPI number for Ronald Grein is 1497606834. It was assigned to this individual provider in the NPPES registry on February 3, 2026.

Where is Ronald Grein located?

Ronald Grein practices at 1401 Mallard Ln, Oakley, CA 94561. The listed phone number is (253) 625-0976.

What is Ronald Grein'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 Ronald Grein was last updated on February 3, 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.