Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mary Eva Ostaszewski, FNP-C

Individual provider Registered Nurse · NPI 1003013236

Mary Eva Ostaszewski, FNP-C is a Nurse Practitioner in Sugar Hill, Georgia. Qualified in 2007, 19 years ago. Practices with Tri County Internal Medicine, PC, a 6-clinician group and accepts Medicare assignment. Licensed in Georgia.

Years since qualifying
19
Licensed in
GA
In the registry since
2007
Specialties on file
2
What do these letters mean?
FNP-C — Family Nurse Practitioner, Certified
A family nurse practitioner certified by the AANP.

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Practice location Address checks out

4720 Nelson Brogdon Blvd
Sugar Hill, GA 30518-3480
Phone: (770) 945-1990
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence RN 144234 (GA)
Registered Nurse Taxonomy 163W00000X · Licence RN144234 (GA)

Record details

NPI number1003013236
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-C
Sole proprietorNo
NPI enumeratedJune 29, 2007
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2007 (19 years in practice)
Group practice Tri County Internal Medicine, Pc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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