Karen Greenan, MSN, APRN, FNP-BC
NPI 1649749771 · Family Nurse Practitioner · Jacksonville, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Greenan, MSN, APRN, FNP-BC is a Family Nurse Practitioner provider in Jacksonville, FL (NPI 1649749771).
Provider details
- NPI number
- 1649749771
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, APRN, FNP-BC
- Sex
- Female
- Sole proprietor
- No
- License
- 71014100A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 5925 E 71st StIndianapolis, IN 46220-4003Phone: (866) 389-2727
Registry dates
- Enumerated
- 2018-11-19
- Last updated
- 2023-07-14
- Certified
- 2023-07-14
Frequently asked questions
- What is Karen Greenan's NPI number?
- Karen Greenan's National Provider Identifier (NPI) is 1649749771, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Greenan's specialty?
- Karen Greenan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Karen Greenan located?
- Karen Greenan's practice location on file with NPPES is 4280 Southside Blvd, Jacksonville, FL 32216-5400.
- What is Karen Greenan's phone number?
- The practice phone number listed in the NPPES registry for Karen Greenan is (904) 998-3677.
- Does Karen Greenan accept Medicare?
- Karen Greenan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Greenan's NPI active?
- Yes — Karen Greenan's NPI (1649749771) is active in the NPPES registry as of the last update on 2023-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.