Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
MARK WORKMAN, CADC-II
Active Sole ProprietorMARK WORKMAN, CADC-II is a Addiction (Substance Use Disorder) Counselor healthcare provider located in OAK VIEW, California. NPI 1407709454 is currently active in the NPPES registry. Verify at CMS.
Addiction (Substance Use Disorder) Counselor · OAK VIEW, CA
Registration Details
- NPI Number
- 1407709454
- Provider Type
- Individual
- Gender
- Male
- NPI Issued
- Feb 18, 2026 (0.46097625769476 yrs)
- Last Updated
- Feb 18, 2026
- License
-
A053681218 (CA)
- Sole Proprietor
- Yes
Practice Information
- Address
-
158 ROCKAWAY RDOAK VIEW, CA, 930229306Browse CA providers · Browse ZIP 93022
- Phone
- 8052738798
- Fax
- 8056663603
- Primary Specialty
-
Addiction (Substance Use Disorder) Counselor
101YA0400X
Other Addiction (Substance Use Disorder) Counselor Providers in OAK VIEW, CA
| Name | Credential | NPI |
|---|---|---|
| THERESE DUNCAN | — | 1710350160 |
| MATTTHEW MALLOY | CADC-II | 1982596318 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.