Karen Zwillenberg, PH.D.
NPI 1992114912 · Clinical Psychologist · Canton, MA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Zwillenberg, PH.D. is a Clinical Psychologist provider in Canton, MA (NPI 1992114912).
Provider details
- NPI number
- 1992114912
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
- Mental Health Counselor101YM0800X
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
11 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
Mailing address
Registry dates
- Enumerated
- 2014-08-04
- Last updated
- 2023-06-06
- Certified
- 2023-06-06
Frequently asked questions
- What is Karen Zwillenberg's NPI number?
- Karen Zwillenberg's National Provider Identifier (NPI) is 1992114912, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Zwillenberg's specialty?
- Karen Zwillenberg is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Karen Zwillenberg located?
- Karen Zwillenberg's practice location on file with NPPES is 95 Washington St Ste 104-238, Canton, MA 02021-4006.
- What is Karen Zwillenberg's phone number?
- The practice phone number listed in the NPPES registry for Karen Zwillenberg is (781) 908-3551.
- Does Karen Zwillenberg accept Medicare?
- Karen Zwillenberg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Zwillenberg's NPI active?
- Yes — Karen Zwillenberg's NPI (1992114912) is active in the NPPES registry as of the last update on 2023-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.