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Allison Drennan
NPI 1548835572 · Behavior Technician · Ontario, CA
Allison Drennan is a Behavior Technician provider in Ontario, CA (NPI 1548835572).
Provider details
- NPI number
- 1548835572
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(56/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
4688 Ontario Mills Pkwy
Ontario, CA 91764-5104
Phone: (909) 476-5747
Street-level locationGet directions
Mailing address
15713 Gazelle St
Victorville, CA 92395-0605
Registry dates
- Enumerated
- 2021-05-21
- Last updated
- 2021-05-21
- Certified
- 2021-05-21
Frequently asked questions
- What is Allison Drennan's NPI number?
- Allison Drennan's National Provider Identifier (NPI) is 1548835572, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Drennan's specialty?
- Allison Drennan is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Allison Drennan located?
- Allison Drennan's practice location on file with NPPES is 4688 Ontario Mills Pkwy, Ontario, CA 91764-5104.
- What is Allison Drennan's phone number?
- The practice phone number listed in the NPPES registry for Allison Drennan is (909) 476-5747.
- Is Allison Drennan's NPI active?
- Yes — Allison Drennan's NPI (1548835572) is active in the NPPES registry as of the last update on 2021-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.