Marissa Gianakas, ARNP
NPI 1922414879 · Nurse Practitioner · Jacksonville, FL
Marissa Gianakas, ARNP is a Nurse Practitioner provider in Jacksonville, FL (NPI 1922414879).
Provider details
- NPI number
- 1922414879
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP
- Sex
- Female
- Sole proprietor
- No
- License
- ARNP9315366 (FL)
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
11 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
- 2014-07-10
- Last updated
- 2015-03-06
Frequently asked questions
- What is Marissa Gianakas's NPI number?
- Marissa Gianakas's National Provider Identifier (NPI) is 1922414879, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Gianakas's specialty?
- Marissa Gianakas is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Gianakas located?
- Marissa Gianakas's practice location on file with NPPES is 807 Childrens Way, Jacksonville, FL 32207-8426.
- What is Marissa Gianakas's phone number?
- The practice phone number listed in the NPPES registry for Marissa Gianakas is (904) 697-3793.
- Is Marissa Gianakas's NPI active?
- Yes — Marissa Gianakas's NPI (1922414879) is active in the NPPES registry as of the last update on 2015-03-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.