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

INNER HAVEN LLC
NPI 1871417055
Psychiatry & Neurology - Psychiatry in Milwaukee, WI

Active since August 08, 2026
5500 W VLIET ST STE D, MILWAUKEE, WI 53208(414) 241-1152 Get Directions Write a Review

NPPES record added: August 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Inner Haven Llc NPPES

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

INNER HAVEN LLC (NPI 1871417055) is a healthcare organization registered as a psychiatry in Milwaukee, Wisconsin and active in the NPI registry since August 2026. The organization lists John Thomas Olstad, Owner, as its authorized official.

NPPES Registry Identity

NPI1871417055
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameINNER HAVEN LLC
Location Address5500 W VLIET ST STE DMilwaukee, WI 53208-2120
Mailing Address1433 E Oklahoma AveMilwaukee, WI 53207-2430 · (414) 241-1152
Phone(414) 241-1152
Organization SubpartNo
Authorized OfficialJohn Thomas OlstadOwner · (414) 241-1152
Enumeration DateAugust 8, 2026
NPPES CertifiedAugust 8, 2026
✔ NPI 1871417055 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Also ListedPsychiatry & Neurology · Addiction PsychiatryTaxonomy 2084P0802X
5500 W VLIET ST STE D, Milwaukee, WI 53208
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

SANDRA LUZ LAMERS HERNANDEZ MSW, LCSW
Social Worker (Clinical)
5500 W VLIET ST STE D
MILWAUKEE, WI 53208
Milwaukee County (414) 209-4132

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 Inner Haven LLC's NPI number?

The NPI number for Inner Haven LLC is 1871417055. It was assigned to this organization in the NPPES registry on August 8, 2026.

Where is Inner Haven LLC located?

Inner Haven LLC is located at 5500 W Vliet St Ste D, Milwaukee, WI 53208. The listed phone number is (414) 241-1152.

What is Inner Haven LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

When was this NPI record last updated?

The NPPES record for Inner Haven LLC was last updated on August 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.