NPPES file of Aug 9, 2026

Mary Elizabeth Ostroska, APRN

Family Nurse Practitioner · Jacksonville, FL

Mary Elizabeth Ostroska, APRN is a family nurse practitioner with a practice address in Jacksonville, Florida, and NPI 1285959940, issued on Apr 6, 2010. Check the license (Florida APRN9455988, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285959940
Name
Mary Elizabeth Ostroska
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License numbers
APRN9455988 FL
161240 CO
Self-reported in NPPES; status is on the state search
Practice location
4266 Sunbeam RD, Jacksonville, FL 32257
Phone
(904) 407-7700
Enumerated
Apr 6, 2010
Record last updated
Jun 16, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(904) 407-6001
Medicare enrollment
Enrolled (PECOS I20170817002627); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 4266 Sunbeam RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Danielle AgnelloFamily Nurse Practitioner1083588032
  2. Mary Anast, APRNGerontology Nurse Practitioner1134221914
  3. Bernita Armstrong, ARNPAdult Health Nurse Practitioner1245218874
  4. Brandy Augustine, ARNPNurse Practitioner1861711996
  5. Jayla Barnes, FNP-BCFamily Nurse Practitioner1508286980
  6. Shannon Beardsley, DNP, APRN, FNP-BCFamily Nurse Practitioner1861172322

Verify Mary Elizabeth Ostroska in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersFlorida health license search
    Search for license APRN9455988
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Florida license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Community Hospice OF Northeast Florida IncJacksonville, FL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Elizabeth Ostroska among 22,340 family nurse practitioner records in Florida

Mary Elizabeth Ostroska, APRN 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 2010, is newer than 10% of them.

  • NPI issued2010 · 10% of these records are older, 89% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileYes · 48% of these records are
  • Graduated1986 · median 2020 among the 10,790 with a school on file
  • Record last updated2020 · 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).

963 family nurse practitioner records list a practice address in Jacksonville

They are 963 of the 24,194 NPPES records with a practice address in Jacksonville, and 22,340 family nurse practitioner records in Florida.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Angella Bascom, A.R.N.P.Jacksonville, FL 322571023182656
  2. Lyza Burgess, APRNJacksonville, FL 322571316122906
  3. Rachel Butler, APRNJacksonville, FL 322571255524831
  4. Sandra Crossen, ARNPJacksonville, FL 322571669804290
  5. Benita Ford, ARNPJacksonville, FL 322571285678235
  6. Marlene Garancosky, NPJacksonville, FL 322571679661326
  7. William Gonzalez, ARNPJacksonville, FL 322571467693358
  8. Nancy Holsenbeck, APRNJacksonville, FL 322571639501711

Common questions

What is Mary Elizabeth Ostroska, APRN's NPI number?

Mary Elizabeth Ostroska, APRN's National Provider Identifier (NPI) is 1285959940, issued on Apr 6, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Mary Elizabeth Ostroska, APRN located?

The NPPES record lists a practice address at 4266 Sunbeam RD, Jacksonville, FL, 32257. Phone: (904) 407-7700. Providers update this record themselves, so call before visiting.

How can I verify Mary Elizabeth Ostroska, APRN's license?

NPPES lists Florida license number APRN9455988, 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.

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.