Ruth Antonowich, ARNP, FNP-BC
Family Nurse Practitioner · Key West, FL
Ruth 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 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
- Entity
- Type 1 · individual
Verify Ruth 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 1,302 among the 128,048 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, mostly food and beverage; the largest payer was Idorsia Pharmaceuticals US Inc. The 91,435 providers of this specialty with any payment received $675.31 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.
20 family nurse practitioner records list a Key West practice address
They are 20 of the 682 NPPES records with a Key West practice address, and 21,390 family nurse practitioner records in Florida.
All 20 in Key West → All 21,390 in Florida → Every provider in Key West →
Other family nurse practitioner records in Florida
- Mary Aanestad, A.R.N.P.Pensacola, FL1396096244
- Shannon Aaron, APRNPensacola, FL1851153951
- Evelyn Abadin QuintanaMiami, FL1134601511
- Abel Aballe MosquedaBonita Springs, FL1750097465
- Marjorie Abanador, ARNPWinter Park, FL1396228342
- Mona Abankwa, APNOrlando, FL1902184138
- Leslie Abascal, ARNP-CMiami, FL1033511399
- Marta Abascal Cabrera, ARNPMiami Lakes, FL1912480146
- Judith AbbeyOrange Park, FL1659076081
- Bianca Abbott, APRN, FNP-BCMiami Shores, FL1730933425
Common questions
What is Ruth Antonowich, ARNP, FNP-BC's NPI number?
Ruth 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 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 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 Antonowich, ARNP, FNP-BC prescribe under Medicare Part D?
In 2024, Ruth Antonowich, ARNP, FNP-BC had 66 Medicare Part D claims for 16 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.