Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. William Garrett Warrington Jr., PHD, APRN, FNP-C

Individual provider Nurse Practitioner · NPI 1790104909

Dr. William Garrett Warrington Jr., PHD, APRN, FNP-C is a Nurse Practitioner in Oviedo, Florida. Qualified in 2014, 12 years ago. Practices with Ability Health Services, Inc, a 1,232-clinician group and accepts Medicare assignment. Licensed in California, Florida and New York.

Years since qualifying
12
Licensed in
CA, FL, NY
In the registry since
2014
Specialties on file
4
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

See every abbreviation used in this directory →

Practice location Address checks out

2959 Alafaya Trl Ste 117
Oviedo, FL 32765-9482
Phone: (407) 506-4665
Fax: (407) 604-3067
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APRN2758262 (FL)
Nurse Practitioner Taxonomy 363L00000X · Licence ARNP2758262 (FL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 95013836 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence F345222-01 (NY)

Record details

NPI number1790104909
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , APRN , FNP-C
Sole proprietorNo
NPI enumeratedApril 15, 2014
Last updated in NPPESNovember 2, 2020
Certification dateNovember 2, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Ability Health Services, Inc — 1232 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Oviedo