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Markell Efimoff
NPI 1295581593 · Behavior Technician · Concord, CA
Markell Efimoff is a Behavior Technician provider in Concord, CA (NPI 1295581593).
Provider details
- NPI number
- 1295581593
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(50/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
1200 Concord Ave Ste 185
Concord, CA 94520-4915
Phone: (877) 910-6538
Street-level locationGet directions
Mailing address
1200 Concord Ave Ste 185
Concord, CA 94520-4915
Registry dates
- Enumerated
- 2024-04-26
- Last updated
- 2024-04-26
- Certified
- 2024-04-26
Frequently asked questions
- What is Markell Efimoff's NPI number?
- Markell Efimoff's National Provider Identifier (NPI) is 1295581593, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Markell Efimoff's specialty?
- Markell Efimoff is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Markell Efimoff located?
- Markell Efimoff's practice location on file with NPPES is 1200 Concord Ave Ste 185, Concord, CA 94520-4915.
- What is Markell Efimoff's phone number?
- The practice phone number listed in the NPPES registry for Markell Efimoff is (877) 910-6538.
- Is Markell Efimoff's NPI active?
- Yes — Markell Efimoff's NPI (1295581593) is active in the NPPES registry as of the last update on 2024-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.