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

Mrs. Ruth Anne Antonowich, ARNP, FNP-BC

Individual provider Family Nurse Practitioner · NPI 1336374040

Mrs. Ruth Anne Antonowich, ARNP, FNP-BC is a Family Nurse Practitioner in Key West, Florida. Practices as a sole proprietor. Licensed in Florida.

Licensed in
FL
In the registry since
2009
What do these letters mean?
ARNP — Advanced Registered Nurse Practitioner
The title some states use for an advanced practice nurse.
FNP-BC — Family Nurse Practitioner, Board Certified
A family nurse practitioner certified by the ANCC.

See every abbreviation used in this directory →

Practice location Address checks out

737A Olivia St
Key West, FL 33040-6444
Phone: (305) 849-1080
Fax: (305) 295-9984
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 ARNP1117502 (FL)

Record details

NPI number1336374040
Entity typeIndividual (Type 1)
GenderFemale
Credentials ARNP , FNP-BC
Sole proprietorYes
NPI enumeratedMay 26, 2009
Last updated in NPPESFebruary 21, 2013

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