IndividualActive
Marina Efstathiu
NPI 1881220499 · Behavior Technician · Boulder, CO
Marina Efstathiu is a Behavior Technician provider in Boulder, CO (NPI 1881220499).
Provider details
- NPI number
- 1881220499
- 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(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
5305 Spine Rd Ste a
Boulder, CO 80301-3331
Phone: (720) 643-2350
Street-level locationGet directions
Mailing address
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Registry dates
- Enumerated
- 2020-03-14
- Last updated
- 2020-03-14
- Certified
- 2020-03-14
Frequently asked questions
- What is Marina Efstathiu's NPI number?
- Marina Efstathiu's National Provider Identifier (NPI) is 1881220499, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marina Efstathiu's specialty?
- Marina Efstathiu is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Marina Efstathiu located?
- Marina Efstathiu's practice location on file with NPPES is 5305 Spine Rd Ste a, Boulder, CO 80301-3331.
- What is Marina Efstathiu's phone number?
- The practice phone number listed in the NPPES registry for Marina Efstathiu is (720) 643-2350.
- Is Marina Efstathiu's NPI active?
- Yes — Marina Efstathiu's NPI (1881220499) is active in the NPPES registry as of the last update on 2020-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.