MARK WORKMAN CADC-II
NPI 1407709454
Counselor - Addiction (Substance Use Disorder) in Oak View, CA
About Mark Workman Cadc-ii NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK WORKMAN CADC-II (NPI 1407709454) is an individual addiction (substance use disorder) provider in Oak View, California, licensed in California (A053681218) and active in the NPI registry since February 2026.
NPPES Registry Identity
Specialties & Licenses
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.
OAK VIEW, CA 93022
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 Mark Workman's NPI number?
The NPI number for Mark Workman is 1407709454. It was assigned to this individual provider in the NPPES registry on February 18, 2026.
Where is Mark Workman located?
Mark Workman practices at 158 Rockaway Rd, Oak View, CA 93022. The listed phone number is (805) 273-8798.
What is Mark Workman'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 Mark Workman was last updated on February 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
