Provider Profile
Greta M. Kostac, APNP
Unclaimed ProfileAbout Greta Kostac
Greta M. Kostac, APNP is a nurse practitioner practicing in Fond Du Lac, WI. This provider record is associated with NPI 1841307386.
Factual summary compiled by Guide.md from public records; not written by this provider.
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (920) 907-7000
- Email not available
Practice Locations
210 WISCONSIN AMERICAN DR
Fond Du Lac, WI 54935
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 5 related providers in 1 group
Common questions
What kind of doctor is Greta M. Kostac?
Greta M. Kostac is a nurse practitioner in Fond Du Lac, WI. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Greta M. Kostac's address?
Greta M. Kostac is listed at 210 Wisconsin American Dr, Fond Du Lac, WI 54935. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Greta M. Kostac?
The number on file is (920) 907-7000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Greta M. Kostac's NPI number?
Greta M. Kostac's National Provider Identifier is 1841307386. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Greta M. Kostac been practicing?
Greta M. Kostac has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Greta M. Kostac confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Greta M. Kostac. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.