CHRISTINA MARIE JOHNSTON
NPI 1376442251
Specialist/Technologist - Speech-Language Assistant in Grand Terrace, CA
About Christina Marie Johnston NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINA MARIE JOHNSTON (NPI 1376442251) is an individual speech-language assistant in Grand Terrace, California, licensed in California (SPA3948) and active in the NPI registry since November 2026.
NPPES Registry Identity
Specialties & Licenses
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.
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
GRAND TERRACE, CA 92313
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 Christina Johnston's NPI number?
The NPI number for Christina Johnston is 1376442251. It was assigned to this individual provider in the NPPES registry on November 5, 2026.
Where is Christina Johnston located?
Christina Johnston practices at 22365 Barton Rd Ste 104 Suite 104, Grand Terrace, CA 92313. The listed phone number is (909) 824-2899.
What is Christina Johnston's specialty?
The primary specialty registered for this NPI is Specialist/Technologist, specializing in Speech-Language Assistant, with taxonomy code 2355S0801X.
When was this NPI record last updated?
The NPPES record for Christina Johnston was last updated on November 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 days 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.
# Christina Marie Johnston · NPI 1376442251
Speech-Language Assistant provider in Grand Terrace, California. Individual provider, active in the CMS NPPES registry since November 5, 2026.
## Identity
- **NPI:** 1376442251 (Entity type: Individual)
- **Enumerated:** November 5, 2026
- **Primary specialty:** Specialist/Technologist - Speech-Language Assistant · taxonomy 2355S0801X
- **State license:** SPA3948 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 22365 BARTON RD STE 104, SUITE 104, Grand Terrace, CA 92313-5037
- **Phone:** (909) 824-2899
## Record status
- **NPPES last updated:** November 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1376442251) · Data from the CMS NPPES public registry.