NIKKI KARAGIANNIS APCC21511
NPI 1891645446
Counselor - Mental Health in Apple Valley, CA
About Nikki Karagiannis Apcc21511 NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NIKKI KARAGIANNIS APCC21511 (NPI 1891645446) is an individual mental health provider in Apple Valley, California, licensed in California (APCC21511) and active in the NPI registry since February 2026.
NPPES Registry Identity
Specialties & Licenses 2
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
APPLE VALLEY, CA 92308
APPLE VALLEY, CA 92308
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 Nikki Karagiannis's NPI number?
The NPI number for Nikki Karagiannis is 1891645446. It was assigned to this individual provider in the NPPES registry on February 2, 2026.
Where is Nikki Karagiannis located?
Nikki Karagiannis practices at 10755 Apple Valley Rd, Apple Valley, CA 92308. The listed phone number is (760) 247-9840.
What is Nikki Karagiannis'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 Nikki Karagiannis was last updated on March 10, 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.
# Nikki Karagiannis, APCC21511 · NPI 1891645446
Mental Health provider in Apple Valley, California. Individual provider, active in the CMS NPPES registry since February 2, 2026.
## Identity
- **NPI:** 1891645446 (Entity type: Individual)
- **Enumerated:** February 2, 2026
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** APCC21511 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10755 APPLE VALLEY RD, Apple Valley, CA 92308-3684
- **Phone:** (760) 247-9840
## Record status
- **NPPES last updated:** March 10, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1891645446) · Data from the CMS NPPES public registry.