Preston Onwu
- Affiliated sites
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 1301 E Orangewood Ave, Anaheim, CA 92805
- Practice phone
- Call (800) 249-1266
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Behavioral Health Works
Assisted Living · Anaheim, California
Find Preston Onwu'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.
Preston Onwu is a behavior technician in Anaheim, California
Preston Onwu practices at Behavioral Health Works in Anaheim, California.
Preston Onwu's NPI, 1932075611, was assigned on October 11, 2025.
- NPI
- 1932075611NPI Registry (opens in a new tab)
- NPI enumeration date
- October 11, 2025
- NPI status
- Active
- Practice phone
- (800) 249-1266
- 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 Affiliation Data
Preston Onwu practices at Behavioral Health Works in Anaheim, California
Preston Onwu's primary practice is Behavioral Health Works, at 1301 E Orangewood Ave, Anaheim, CA 92805. The practice phone is (800) 249-1266.
- Behavioral Health Works1301 E Orangewood Ave, Anaheim, CA 92805Phone(800) 249-1266
Source: Dmand AI Affiliation Data
Preston Onwu is affiliated with 1 site of care
Preston Onwu's primary practice is Behavioral Health Works in Anaheim, California. Preston Onwu's employer is on file too: a senior living community.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Preston Onwu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Preston Onwu practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Behavioral Health Works | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Preston Onwu is one of 1,493 behavior technicians in California
Behavior technician is Preston Onwu's primary specialty in the NPI Registry, under taxonomy code 106S00000X.
Specialties and state licenses
- Behavior technicianPrimary
Behavior technicians near Preston Onwu
Counts of behavior technicians 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
Preston Onwu's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Preston Onwu's median patient age at 10, with 100% women.
Preston Onwu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Sources for Preston Onwu'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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 Preston Onwu
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Preston Onwu's NPI number?
Preston Onwu's NPI number is 1932075611. It was assigned on October 11, 2025, and it is active in the NPI Registry.
What does Preston Onwu specialize in?
Preston Onwu is a behavior technician in Anaheim, California. The primary specialty in the NPI Registry is Behavior Technician (taxonomy code 106S00000X).
Where does Preston Onwu practice?
Preston Onwu practices at 1301 E Orangewood Ave, Anaheim, CA 92805. Preston Onwu's primary practice is Behavioral Health Works in Anaheim, California.
What is Preston Onwu's office phone number?
The practice phone on file for Preston Onwu is (800) 249-1266.
How long has Preston Onwu been practicing?
Preston Onwu's NPI was assigned in 2025.
Selling to behavior technician practices?
See behavior technicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card