Gizella Thersa Firtha
Behavior Technician · Apple Valley, CA
Gizella Thersa Firtha is a behavior technician with a practice address in Apple Valley, California, and NPI 1265062863, issued on Jan 22, 2020. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Gizella Thersa Firtha
- Primary taxonomy
- Behavior Technician 106S00000X
- Practice location
- 19195 US Highway 18 Ste 104, Apple Valley, CA 92307
- Phone
- (888) 557-1305
- Enumerated
- Jan 22, 2020
- Record last updated
- Jan 23, 2020 (not updated in 6 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 19195 US Highway 18 Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Desiree AlvaBehavior Technician1093270936
- Adam CappsBehavior Technician1306525175
- Ladaisha CollinsBehavior Technician1043855224
- Ja Nina Cox, BEHAVIOR TECHNICIANBehavior Technician1801438999
- Alessandra Felix, MPHBehavior Technician1992478093
- Felicia GonzalesBehavior Technician1821626326
Verify Gizella Thersa Firtha in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
237 behavior technician records list a practice address in Apple Valley
They are 237 of the 1,518 NPPES records with a practice address in Apple Valley, and 171,666 behavior technician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 237 in Apple Valley → All 171,666 in California → Every provider in Apple Valley →
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Common questions
What is Gizella Thersa Firtha's NPI number?
Gizella Thersa Firtha's National Provider Identifier (NPI) is 1265062863, issued on Jan 22, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Gizella Thersa Firtha located?
The NPPES record lists a practice address at 19195 US Highway 18 Ste 104, Apple Valley, CA, 92307. Phone: (888) 557-1305. Providers update this record themselves, so call before visiting.
How can I verify Gizella Thersa Firtha's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.