MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) – Family Nurse Practitioner, NPI 1336374040

MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) is a healthcare provider. based in Key west, Florida. specializing in Family Nurse Practitioner. They hold the professional credentials ARNP, FNP-BC. They hold a License No. ARNP1117502 (FL). The NPI Number for MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) is 1336374040

Main info

Female
Sole Proprietor
Name
MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC)
NPI
1336374040
Phone
(305) 849-1080
Address
737A OLIVIA ST
Enumeration Date
26 May 2009
Last Update Date
21 February 2013
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience48
Completeness75
Years active:17State licenses:1Digital endpointsOther names

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Provider Addresses for MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC)

  • Olivia Street, Bahama Village, Old Town, Key West, Monroe County, Florida, 33041, United States

    KEY WEST, FL 330406444

    Phone: (305) 849-1080

    Fax: (305) 295-9984

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 1 Open Payments records for all available years, with a total value of $125.

Total Amount is formed as General ($125) + Research ($0) + Ownership ($0) = $125.

Last reported payment date: 2024-01-23 • Largest payer in this snapshot: IDORSIA PHARMACEUTICALS US INC ($125).

Total Amount

$125

General + Research + Ownership

Payments

1

Total payment records

General Amount

$125

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-01-23

Latest reported date

Top Companies

Largest payers in this snapshot

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2015-03-10

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20150310002135INurse PractitionerFLTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 33040)

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Reviews

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Frequently asked questions

Can I verify MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) with an NPI only?
You can start verification with NPI 1336374040 for MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC), then check state licensing separately.
Does CMS list MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) as active?
Yes — MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) is active in the NPI listing used on this page.
What is MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC)'s primary classification?
Family Nurse Practitioner is the headline specialty for MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC) here. Clinical services aligned with this taxonomy classification.
What address line appears for MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC)?
MRS. RUTH ANNE ANTONOWICH (ARNP, FNP-BC)'s geographic hint is Key West, Florida in our summary view.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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