Mary Ostroska, APRN
NPI 1285959940 · Family Nurse Practitioner · Jacksonville, FL
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Ostroska, APRN is a Family Nurse Practitioner provider in Jacksonville, FL (NPI 1285959940).
Provider details
- NPI number
- 1285959940
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 161240 (CO)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
16 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
450 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Advance Care Planning, First 30 Minutes99497 | 189 | $62 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 95 | $144 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 55 | $99 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 33 | $69 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 33 | $65 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-04-06
- Last updated
- 2020-06-16
- Certified
- 2020-06-16
Frequently asked questions
- What is Mary Ostroska's NPI number?
- Mary Ostroska's National Provider Identifier (NPI) is 1285959940, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Ostroska's specialty?
- Mary Ostroska is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Ostroska located?
- Mary Ostroska's practice location on file with NPPES is 4266 Sunbeam Rd, Jacksonville, FL 32257-2425.
- What is Mary Ostroska's phone number?
- The practice phone number listed in the NPPES registry for Mary Ostroska is (904) 407-7700.
- Does Mary Ostroska accept Medicare?
- Mary Ostroska is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Ostroska's NPI active?
- Yes — Mary Ostroska's NPI (1285959940) is active in the NPPES registry as of the last update on 2020-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.