IndividualActive
Margie Sierra
NPI 1134750391 · Behavior Analyst · Denver, CO
Margie Sierra is a Behavior Analyst provider in Denver, CO (NPI 1134750391).
Provider details
- NPI number
- 1134750391
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral 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
201 Jackson St
Denver, CO 80206-5524
Phone: (818) 241-6780
Street-level locationGet directions
Mailing address
1055 E Colorado Blvd Ste 560
Pasadena, CA 91106-2380
Registry dates
- Enumerated
- 2020-01-27
- Last updated
- 2020-01-27
- Certified
- 2020-01-27
Frequently asked questions
- What is Margie Sierra's NPI number?
- Margie Sierra's National Provider Identifier (NPI) is 1134750391, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margie Sierra's specialty?
- Margie Sierra is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Margie Sierra located?
- Margie Sierra's practice location on file with NPPES is 201 Jackson St, Denver, CO 80206-5524.
- What is Margie Sierra's phone number?
- The practice phone number listed in the NPPES registry for Margie Sierra is (818) 241-6780.
- Is Margie Sierra's NPI active?
- Yes — Margie Sierra's NPI (1134750391) is active in the NPPES registry as of the last update on 2020-01-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.