MS. KAREN D MAHAN
NPI 1992679039
Counselor - School in Antioch, CA
About Ms. Karen D Mahan NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. KAREN D MAHAN (NPI 1992679039) is an individual school provider in Antioch, California and active in the NPI registry since October 2025.
NPPES Registry Identity
Specialties & Licenses
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 Karen Mahan's NPI number?
The NPI number for Karen Mahan is 1992679039. It was assigned to this individual provider in the NPPES registry on October 1, 2025.
Where is Karen Mahan located?
Karen Mahan practices at 4700 Sand Creek Road, Antioch, CA 94531. The listed phone number is (925) 779-7540.
What is Karen Mahan's specialty?
The primary specialty registered for this NPI is Counselor, specializing in School, with taxonomy code 101YS0200X.
When was this NPI record last updated?
The NPPES record for Karen Mahan was last updated on October 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Ms. Karen D Mahan · NPI 1992679039
School provider in Antioch, California. Individual provider, active in the CMS NPPES registry since October 1, 2025.
## Identity
- **NPI:** 1992679039 (Entity type: Individual)
- **Enumerated:** October 1, 2025
- **Primary specialty:** Counselor - School · taxonomy 101YS0200X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 4700 SAND CREEK ROAD, Antioch, CA 94531
- **Phone:** (925) 779-7540 · **Fax:** (925) 779-7542
## Record status
- **NPPES last updated:** October 1, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992679039) · Data from the CMS NPPES public registry.