Ruth Anne Antonowich, ARNP, FNP-BC
Family Nurse Practitioner · Key West, FL
Ruth Anne Antonowich, ARNP, FNP-BC is a family nurse practitioner with a practice address in Key West, Florida, and NPI 1336374040, issued on May 26, 2009. Check the license (Florida ARNP1117502, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Ruth Anne Antonowich
- Credential
- ARNP, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- ARNP1117502 FL
Self-reported in NPPES; status is on the state search - Practice location
- 737A Olivia St, Key West, FL 33040
- Phone
- (305) 849-1080
- Enumerated
- May 26, 2009
- Record last updated
- Feb 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (305) 295-9984
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 22,340 in Florida → Look up another NPI →
Verify Ruth Anne Antonowich in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ARNP1117502Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average family nurse practitioner in 2024
66 Medicare Part D claims for 16 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Hydrochlorothiazide14 claims
- Allopurinol12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $124.59
1 payment: food and beverage; the largest payer was Idorsia Pharmaceuticals US Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ruth Anne Antonowich among 22,340 family nurse practitioner records in Florida
Ruth Anne Antonowich, ARNP, FNP-BC is one of 22,340 family nurse practitioner records with a practice address in Florida. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 8% of them.
- NPI issued2009 · 8% of these records are older, 90% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 48% of these records are
- Record last updated2013 · 34% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
24 family nurse practitioner records list a practice address in Key West
They are 24 of the 682 NPPES records with a practice address in Key West, and 22,340 family nurse practitioner records in Florida.
All 22,340 in Florida → Every provider in Key West → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Lisa Benfield, NURSE PRACTITIONERKey West, FL 330401740267913
- David Campbell-O'Dell, DNP, ARNP, FNP-BCKey West, FL 330401609894047
- Judy Hernandez Groover, APRNKey West, FL 330401427359371
- David Johnson, ARNPKey West, FL 330401487987103
- Colby Kohler, NPKey West, FL 330401669871703
- Pamela McGarvey, ARNPKey West, FL 330401811994155
- Lisa Noble, FNP-CKey West, FL 330401568804862
- Kathy Oconnell, ARNP, FNP-BCKey West, FL 330401356727705
Common questions
What is Ruth Anne Antonowich, ARNP, FNP-BC's NPI number?
Ruth Anne Antonowich, ARNP, FNP-BC's National Provider Identifier (NPI) is 1336374040, issued on May 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ruth Anne Antonowich, ARNP, FNP-BC located?
The NPPES record lists a practice address at 737A Olivia St, Key West, FL, 33040. Phone: (305) 849-1080. Providers update this record themselves, so call before visiting.
How can I verify Ruth Anne Antonowich, ARNP, FNP-BC's license?
NPPES lists Florida license number ARNP1117502, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ruth Anne Antonowich, ARNP, FNP-BC prescribe under Medicare Part D?
In 2024, Ruth Anne Antonowich, ARNP, FNP-BC had 66 Medicare Part D claims for 16 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.