Esther Duffy, MSN, FNP-BC, RN-BC
NPI 1538822630 · Family Nurse Practitioner · Jacksonville, FL
Esther Duffy, MSN, FNP-BC, RN-BC is a Family Nurse Practitioner provider in Jacksonville, FL (NPI 1538822630).
Provider details
- NPI number
- 1538822630
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP-BC, RN-BC
- Sex
- Female
- Sole proprietor
- No
- License
- ARNP11015953 (FL)
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
4 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
- 2021-10-16
- Last updated
- 2023-09-08
- Certified
- 2023-09-08
Frequently asked questions
- What is Esther Duffy's NPI number?
- Esther Duffy's National Provider Identifier (NPI) is 1538822630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Esther Duffy's specialty?
- Esther Duffy is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Esther Duffy located?
- Esther Duffy's practice location on file with NPPES is 4280 Southside Blvd, Jacksonville, FL 32216-5400.
- What is Esther Duffy's phone number?
- The practice phone number listed in the NPPES registry for Esther Duffy is (904) 998-3677.
- Is Esther Duffy's NPI active?
- Yes — Esther Duffy's NPI (1538822630) is active in the NPPES registry as of the last update on 2023-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.