Margaret Haggerty, APRN
NPI 1558584078 · Adult Health Nurse Practitioner · Norwalk, CT
Margaret Haggerty, APRN is a Adult Health Nurse Practitioner provider in Norwalk, CT (NPI 1558584078).
Provider details
- NPI number
- 1558584078
- Entity type
- Individual
- Primary specialty
- Adult Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 001073 (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
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
- 2007-04-11
- Last updated
- 2007-07-08
Frequently asked questions
- What is Margaret Haggerty's NPI number?
- Margaret Haggerty's National Provider Identifier (NPI) is 1558584078, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Haggerty's specialty?
- Margaret Haggerty is listed in the NPPES registry with a primary specialty of Adult Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Margaret Haggerty located?
- Margaret Haggerty's practice location on file with NPPES is 34 Maple St, Norwalk, CT 06850-3815.
- What is Margaret Haggerty's phone number?
- The practice phone number listed in the NPPES registry for Margaret Haggerty is (203) 852-2476.
- Is Margaret Haggerty's NPI active?
- Yes — Margaret Haggerty's NPI (1558584078) 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.