Karen Marzitelli, APRN
NPI 1205873783 · Adult Health Nurse Practitioner · West Haven, CT
Enrolled with Medicare as Order and Referring Only - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Marzitelli, APRN is a Adult Health Nurse Practitioner provider in West Haven, CT (NPI 1205873783).
Provider details
- NPI number
- 1205873783
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- License
- 000881 (CT)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
- 2006-06-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Marzitelli's NPI number?
- Karen Marzitelli's National Provider Identifier (NPI) is 1205873783, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Marzitelli's specialty?
- Karen Marzitelli is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Marzitelli located?
- Karen Marzitelli's practice location on file with NPPES is 950 Campbell Ave, West Haven, CT 06516-2770.
- What is Karen Marzitelli's phone number?
- The practice phone number listed in the NPPES registry for Karen Marzitelli is (202) 937-4972.
- Does Karen Marzitelli accept Medicare?
- Karen Marzitelli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Marzitelli's NPI active?
- Yes — Karen Marzitelli's NPI (1205873783) 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.