Grant Horner, LCSW
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2020
- Practice address
- 18564 Us-18, Apple Valley, CA 92307
- Practice phone
- Call (646) 453-6777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Headway California Behavioral Health Services
Apple Valley, California
Find Grant Horner's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Grant Horner is a clinical social worker in Apple Valley, California
Grant Horner practices at Headway California Behavioral Health Services in Apple Valley, California.
Grant Horner's NPI, 1689298432, was assigned on June 7, 2020. Grant Horner holds California license 119191.
- NPI
- 1689298432NPI Registry (opens in a new tab)
- NPI enumeration date
- June 7, 2020
- NPI status
- Active
- Practice phone
- (646) 453-6777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Grant Horner practices at Headway California Behavioral Health Services in Apple Valley, California
Grant Horner's primary practice is Headway California Behavioral Health Services, at 18564 Us-18, Apple Valley, CA 92307 in San Bernardino County. The practice phone is (646) 453-6777.
- Headway California Behavioral Health Services18564 Us-18, Apple Valley, CA 92307 · San Bernardino CountyPhone(646) 453-6777
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Grant Horner is affiliated with 2 sites of care
Grant Horner's primary practice is Headway California Behavioral Health Services in Apple Valley, California. Dmand AI also links Grant Horner to 1 physician office, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Grant Horner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Grant Horner practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Headway California Behavioral Health Services | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Grant Horner is one of 9,919 clinical social workers in California
Social worker is Grant Horner's primary specialty in the NPI Registry, under taxonomy code 1041C0700X. The record also lists clinical. Grant Horner is licensed in California.
Specialties and state licenses
- Clinical social worker, CaliforniaPrimary
Clinical social workers near Grant Horner
Counts of clinical social workers with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Grant Horner's patients have a median age of 39
Across all payers, Dmand AI patient panel data puts Grant Horner's median patient age at 39, with 23% women.
Grant Horner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women23%
- Men69%
Source: Dmand AI Patient Panel Data
Sources for Grant Horner's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Grant Horner
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Grant Horner's NPI number?
Grant Horner's NPI number is 1689298432. It was assigned on June 7, 2020, and it is active in the NPI Registry.
What does Grant Horner specialize in?
Grant Horner is a clinical social worker in Apple Valley, California. The primary specialty in the NPI Registry is Clinical Social Worker (taxonomy code 1041C0700X).
Where does Grant Horner practice?
Grant Horner practices at 18564 Us-18, Apple Valley, CA 92307. Grant Horner's primary practice is Headway California Behavioral Health Services in Apple Valley, California. Dmand AI also links Grant Horner to 1 physician office.
What is Grant Horner's office phone number?
The practice phone on file for Grant Horner is (646) 453-6777.
What is Grant Horner's medical license number?
Grant Horner holds California license 119191.
How long has Grant Horner been practicing?
Grant Horner's NPI was assigned in 2020.
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