IndividualActive
Allison Greenstein
NPI 1558845677 · Behavior Technician · Simi Valley, CA
Allison Greenstein is a Behavior Technician provider in Simi Valley, CA (NPI 1558845677).
Provider details
- NPI number
- 1558845677
- 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(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 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
1900 E Los Angeles Ave
Simi Valley, CA 93065-6560
Phone: (805) 537-0620
Street-level locationGet directions
Mailing address
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Registry dates
- Enumerated
- 2018-09-25
- Last updated
- 2018-09-25
Frequently asked questions
- What is Allison Greenstein's NPI number?
- Allison Greenstein's National Provider Identifier (NPI) is 1558845677, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Greenstein's specialty?
- Allison Greenstein is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Allison Greenstein located?
- Allison Greenstein's practice location on file with NPPES is 1900 E Los Angeles Ave, Simi Valley, CA 93065-6560.
- What is Allison Greenstein's phone number?
- The practice phone number listed in the NPPES registry for Allison Greenstein is (805) 537-0620.
- Is Allison Greenstein's NPI active?
- Yes — Allison Greenstein's NPI (1558845677) is active in the NPPES registry as of the last update on 2018-09-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.