Provider Profile
Gretta C. Grube, APNP
Unclaimed ProfileAbout Gretta Grube
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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) 236-1750
- Email not available
Practice Locations
2700 W 9TH AVE
Oshkosh, WI 54904
2350 N Lake Dr ste 206
Milwaukee, WI 53211
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 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 7 related providers in 1 group
Common questions
What is Gretta C. Grube's specialty?
Gretta C. Grube is a nurse practitioner in Oshkosh, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
Where can I find Gretta C. Grube?
Gretta C. Grube is listed at 2700 W 9Th Ave, Oshkosh, WI 54904. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Gretta C. Grube?
The number on file is (920) 236-1750. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gretta C. Grube's NPI number?
Gretta C. Grube's National Provider Identifier is 1578963096. 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 Gretta C. Grube been practicing?
Gretta C. Grube has 12+ years experience. Registered with an NPI since 2014. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Gretta C. Grube confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gretta C. Grube. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.