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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

DR. ALEXA OPPERMANN DDS
NPI 1205760360
Dentist - General Practice in Oshkosh, WI

Active since June 11, 2026
1218 WITZEL AVE, OSHKOSH, WI 54902(920) 233-6001 Get Directions Write a Review

NPPES record added: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Alexa Oppermann Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ALEXA OPPERMANN DDS (NPI 1205760360) is an individual general practice provider in Oshkosh, Wisconsin, licensed in Wisconsin (6002159-15) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1205760360
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameDR. ALEXA OPPERMANNCredential: DDS
Location Address1218 WITZEL AVEOshkosh, WI 54902-5659
Mailing Address1218 Witzel AveOshkosh, WI 54902-5659 · (920) 233-6001
Phone(920) 233-6001
Sole ProprietorNo
Enumeration DateJune 11, 2026
NPPES CertifiedJune 11, 2026
✔ NPI 1205760360 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in WI · 6002159-15
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
1218 WITZEL AVE, Oshkosh, WI 54902
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Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KAREN LOUISE DUSTRUDE DDS
Dentist (General Practice)
1218 WITZEL AVE
OSHKOSH, WI 54902
Winnebago County (920) 233-6001
DR. THOMAS GALOW DDS
Dentist
1218 WITZEL AVE
OSHKOSH, WI 54902
Winnebago County (920) 231-7780
FAMILY DENTAL PRACTICE S.C.
Dentist (General Practice)
1218 WITZEL AVE
OSHKOSH, WI 54902
Winnebago County (920) 231-7780
OSHKOSH SMILES DENTISTRY LLC
Dentist (General Practice)
1218 WITZEL AVE
OSHKOSH, WI 54902
Winnebago County (920) 233-6001
DR. MICHAEL LLOYD HANNEMAN DDS
Dentist (General Practice)
1218 WITZEL AVE
OSHKOSH, WI 54902
Winnebago County (920) 233-6001

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Alexa Oppermann's NPI number?

The NPI number for Alexa Oppermann is 1205760360. It was assigned to this individual provider in the NPPES registry on June 11, 2026.

Where is Alexa Oppermann located?

Alexa Oppermann practices at 1218 Witzel Ave, Oshkosh, WI 54902. The listed phone number is (920) 233-6001.

What is Alexa Oppermann's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Alexa Oppermann was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.