NPI age
19 years
Enumerated 2007-06-29
● Active
Type 1 · Individual
Mary Eva Ostaszewski, FNP-C
Ostaszewski is 1 of 10 family (nurse practitioner) providers in Sugar Hill and 1 of 9,050 in Georgia.
Primary specialty
Family (Nurse Practitioner)
Plus 1 subspecialty
Licensed in
GA
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-01-09
Source: CMS NPPES provider record
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 9050 active family (nurse practitioner) providers in Georgia.
NPI age
19 years
↑ 11 yr above median (8 yr)
State licenses
1 state
8% of peers hold multiple states
Subspecialties
1
In the 20% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-06Enumerated in NPPES
2007
2026
Where they practice
Practice location
4720 Nelson Brogdon Blvd
Sugar Hill, GA 305183480
Mailing address
4720 Nelson Brogdon Blvd
Buford, GA 305183480
Specialties
-
Nurse Practitioner PrimaryCMS NPPES uses NUCC taxonomy code 363LF0000X for provider records classified as Family within Nurse Practitioner. The taxonomy identifies the category reported on the NPI record; it does not by itself verify services offered, current...
-
Registered Nurse(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or...
Medicare directory context
Medicare specialties
Nurse Practitioner
Largest Medicare group
6 members
Largest listed enrollment group
Facility affiliations reported by CMS
- Tri County Internal Medicine, Pc
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.