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

ANDREW OLSEN
NPI 1962321844
Nurse Practitioner - Psychiatric/Mental Health in Oconomowoc, WI

Active since July 14, 2026
34700 VALLEY RD, OCONOMOWOC, WI 53066(262) 646-4411 Get Directions Write a Review

NPPES record added: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 28, 2026, Jul 14, 2026 (2 updates tracked since 2026).

About Andrew Olsen NPPES

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

ANDREW OLSEN (NPI 1962321844) is an individual psychiatric/mental health provider in Oconomowoc, Wisconsin, licensed in Wisconsin (18707-33) and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1962321844
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameANDREW OLSEN
Location Address34700 VALLEY RDOconomowoc, WI 53066-4500
Mailing Address34700 Valley RdOconomowoc, WI 53066-4500
Phone(262) 646-4411
Sole ProprietorNo
Enumeration DateJuly 14, 2026
Last NPPES UpdateJuly 28, 20262 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1962321844 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in WI · 18707-33
34700 VALLEY RD, Oconomowoc, WI 53066
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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.

JODI TOMPITCH APNP
Clinical Nurse Specialist (Psychiatric/Mental Health)
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (414) 587-1430
ROGERS MEMORIAL HOSPITAL INCORPORATED
Psychiatric Hospital
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (800) 767-4411
ERIK J ULLAND M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (262) 646-4411
JESSICA SHUMOW APNP
Nurse Practitioner (Family)
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (262) 646-4411
ELIZABETH J SCHROEDER APSW
Social Worker
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (262) 646-4411
RICK WOODWARD PA
Physician Assistant
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (800) 767-4411
ELIZABETH A HAMLIN MD
Psychiatry & Neurology (Psychiatry)
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (262) 646-4411
CUONG TIEU M.D.
Psychiatry & Neurology (Child & Adolescent Psychiatry)
34700 VALLEY RD
OCONOMOWOC, WI 53066
Waukesha County (262) 646-1391

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 Andrew Olsen's NPI number?

The NPI number for Andrew Olsen is 1962321844. It was assigned to this individual provider in the NPPES registry on July 14, 2026.

Where is Andrew Olsen located?

Andrew Olsen practices at 34700 Valley Rd, Oconomowoc, WI 53066. The listed phone number is (262) 646-4411.

What is Andrew Olsen's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Andrew Olsen was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.