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ONLY HUMAN MENTAL HEALTH LLC
NPI 1962375451
Nurse Practitioner - Psychiatric/Mental Health in Muskegon, MI

Active since September 29, 2025
221 W WEBSTER AVE STE 303, MUSKEGON, MI 49440(231) 335-1630(231) 259-4359 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 27, 2026, Jan 29, 2026, Jan 15, 2026 (3 updates tracked since 2026).

About Only Human Mental Health Llc NPPES

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

ONLY HUMAN MENTAL HEALTH LLC (NPI 1962375451) is a healthcare organization registered as a psychiatric/mental health in Muskegon, Michigan and active in the NPI registry since September 2025. The organization lists Jack Louis Kaczmarczyk, Owner, as its authorized official.

NPPES Registry Identity

NPI1962375451
Entity TypeOrganization
Primary Taxonomy363LP0808X
Legal Business NameONLY HUMAN MENTAL HEALTH LLC
Location Address221 W WEBSTER AVE STE 303Muskegon, MI 49440-1294
Mailing Address221 W Webster Ave Ste 303Muskegon, MI 49440-1294 · (231) 335-1630 · Fax (231) 259-4359
Phone(231) 335-1630
Fax(231) 259-4359
Organization SubpartNo
Authorized OfficialJack Louis KaczmarczykOwner · (616) 402-7777
Enumeration DateSeptember 29, 2025
Last NPPES UpdateMay 27, 20263 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1962375451 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
221 W WEBSTER AVE STE 303, Muskegon, MI 49440
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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.

JACK LOUIS KACZMARCZYK JR. PMHNP-BC, FNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
221 W WEBSTER AVE STE 303
MUSKEGON, MI 49440
Muskegon County (231) 335-1630

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 Only Human Mental Health LLC's NPI number?

The NPI number for Only Human Mental Health LLC is 1962375451. It was assigned to this organization in the NPPES registry on September 29, 2025.

Where is Only Human Mental Health LLC located?

Only Human Mental Health LLC is located at 221 W Webster Ave Ste 303, Muskegon, MI 49440. The listed phone number is (231) 335-1630.

What is Only Human Mental Health LLC'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 Only Human Mental Health LLC was last updated on May 27, 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.