Marissa Owsianik, PH.D.
NPI 1730528431 · Psychologist · New Haven, CT
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Owsianik, PH.D. is a Psychologist provider in New Haven, CT (NPI 1730528431).
Provider details
- NPI number
- 1730528431
- Entity type
- Individual
- Primary specialty
- PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 020066 (NY)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
13 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
- 2013-06-17
- Last updated
- 2014-11-09
Frequently asked questions
- What is Marissa Owsianik's NPI number?
- Marissa Owsianik's National Provider Identifier (NPI) is 1730528431, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Owsianik's specialty?
- Marissa Owsianik is listed in the NPPES registry with a primary specialty of Psychologist (Behavioral Health & Social Service Providers).
- Where is Marissa Owsianik located?
- Marissa Owsianik's practice location on file with NPPES is 446a Blake St, New Haven, CT 06515-1286.
- What is Marissa Owsianik's phone number?
- The practice phone number listed in the NPPES registry for Marissa Owsianik is (203) 387-9400.
- Does Marissa Owsianik accept Medicare?
- Marissa Owsianik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Owsianik's NPI active?
- Yes — Marissa Owsianik's NPI (1730528431) is active in the NPPES registry as of the last update on 2014-11-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.