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

MRS. SIEGRIED NIELSEN
NPI 1255237988
Registered Nurse in Neenah, WI

Active since October 19, 2026

NPPES record added: October 19, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mrs. Siegried Nielsen NPPES

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

MRS. SIEGRIED NIELSEN (NPI 1255237988) is an individual registered nurse in Neenah, Wisconsin, licensed in Wisconsin (117683-30) and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1255237988
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameMRS. SIEGRIED NIELSEN
Location Address130 2ND STNeenah, WI 54956-2883
Mailing Address1521 Wellington DrOshkosh, WI 54904-6358
Sole ProprietorNo
Enumeration DateOctober 19, 2026
NPPES CertifiedOctober 19, 2026
✔ NPI 1255237988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in WI · 117683-30
Definition
(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 a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
130 2ND ST, Neenah, WI 54956

Other Providers at the Same Location NPPES 20

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

Pharmacist
130 2ND ST
NEENAH, WI 54956
Nurse Anesthetist, Certified Registered
130 2ND ST, STE. A107
NEENAH, WI 54956
Occupational Therapist
130 2ND ST
NEENAH, WI 54956
Physical Therapist
130 2ND ST
NEENAH, WI 54956
Physical Therapist
130 2ND ST
NEENAH, WI 54956
Nurse Anesthetist, Certified Registered
130 2ND ST
NEENAH, WI 54956
Pediatrics (Neonatal-Perinatal Medicine)
130 2ND ST
NEENAH, WI 54956
Physical Therapist
130 2ND ST
NEENAH, WI 54956

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 Siegried Nielsen's NPI number?

The NPI number for Siegried Nielsen is 1255237988. It was assigned to this individual provider in the NPPES registry on October 19, 2026.

Where is Siegried Nielsen located?

Siegried Nielsen practices at 130 2nd St, Neenah, WI 54956. The listed phone number is (920) 729-3100.

What is Siegried Nielsen's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

When was this NPI record last updated?

The NPPES record for Siegried Nielsen was last updated on October 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 days 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.