Karen Mazzarese, LMFT
NPI 1669681615 · Marriage & Family Therapist · Westport, CT
Karen Mazzarese, LMFT is a Marriage & Family Therapist provider in Westport, CT (NPI 1669681615).
Provider details
- NPI number
- 1669681615
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- Sole proprietor
- Yes
- License
- 000580 (CT)
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
19 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
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Mazzarese's NPI number?
- Karen Mazzarese's National Provider Identifier (NPI) is 1669681615, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Mazzarese's specialty?
- Karen Mazzarese is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Karen Mazzarese located?
- Karen Mazzarese's practice location on file with NPPES is 225 Main St # Ll1, Westport, CT 06880-3216.
- What is Karen Mazzarese's phone number?
- The practice phone number listed in the NPPES registry for Karen Mazzarese is (203) 454-1549.
- Is Karen Mazzarese's NPI active?
- Yes — Karen Mazzarese's NPI (1669681615) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.