IndividualActive
Jeffrey Marker, BCBA
NPI 1538858592 · Behavior Analyst · Danbury, CT
Jeffrey Marker, BCBA is a Behavior Analyst provider in Danbury, CT (NPI 1538858592).
Provider details
- NPI number
- 1538858592
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- BCBA
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(52/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
70 North St
Danbury, CT 06810-5609
Phone: (203) 317-9315
Street-level locationGet directions
Mailing address
12 Chatham Ct
Brookfield, CT 06804-2728
Registry dates
- Enumerated
- 2023-05-04
- Last updated
- 2023-05-04
- Certified
- 2023-05-04
Frequently asked questions
- What is Jeffrey Marker's NPI number?
- Jeffrey Marker's National Provider Identifier (NPI) is 1538858592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Marker's specialty?
- Jeffrey Marker is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Jeffrey Marker located?
- Jeffrey Marker's practice location on file with NPPES is 70 North St, Danbury, CT 06810-5609.
- What is Jeffrey Marker's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Marker is (203) 317-9315.
- Is Jeffrey Marker's NPI active?
- Yes — Jeffrey Marker's NPI (1538858592) is active in the NPPES registry as of the last update on 2023-05-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.