Jillian Marmaras, MS ED, BCBA
NPI 1295316222 · Behavior Analyst · Old Saybrook, CT
Jillian Marmaras, MS ED, BCBA is a Behavior Analyst provider in Old Saybrook, CT (NPI 1295316222).
Provider details
- NPI number
- 1295316222
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Credential
- MS ED, BCBA
- Sex
- Female
- Sole proprietor
- No
- License
- 920 (CT)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
100% 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
Mailing address
Registry dates
- Enumerated
- 2021-04-20
- Last updated
- 2021-04-20
- Certified
- 2021-04-20
Frequently asked questions
- What is Jillian Marmaras's NPI number?
- Jillian Marmaras's National Provider Identifier (NPI) is 1295316222, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jillian Marmaras's specialty?
- Jillian Marmaras is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Jillian Marmaras located?
- Jillian Marmaras's practice location on file with NPPES is 42 Elmwood St, Old Saybrook, CT 06475-2135.
- What is Jillian Marmaras's phone number?
- The practice phone number listed in the NPPES registry for Jillian Marmaras is (203) 788-8474.
- Is Jillian Marmaras's NPI active?
- Yes — Jillian Marmaras's NPI (1295316222) is active in the NPPES registry as of the last update on 2021-04-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.