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JAN GRIESSMANN
NPI 1619819869
Home Health Aide in Novi, MI

Active since April 07, 2026
28175 HAGGERTY RD, NOVI, MI 48377(734) 201-4846 Get Directions Write a Review

NPPES record last updated: April 7, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Jan Griessmann NPPES

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

JAN GRIESSMANN (NPI 1619819869) is an individual home health aide in Novi, Michigan and active in the NPI registry since April 2026.

NPPES Registry Identity

NPI1619819869
Entity TypeIndividualMale
Primary Taxonomy374U00000X
Provider Legal NameJAN GRIESSMANN
Location Address28175 HAGGERTY RDNovi, MI 48377-2903
Mailing Address28175 Haggerty RdNovi, MI 48377-2903 · (734) 201-4846
Phone(734) 201-4846
Sole ProprietorYes
Enumeration DateApril 7, 2026
NPPES CertifiedApril 7, 2026
✔ NPI 1619819869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyHome Health AideNursing Service Related Providers
Taxonomy Code374U00000X
Definition
A person trained to assist public health nurses, home health nurses, and other health professionals in the bedside care of patients in their homes.
28175 HAGGERTY RD, Novi, MI 48377
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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 20

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

JAMIE DUBIE
Behavior Technician
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (248) 994-7759
PAMELA RENEE EDMOND FNP
Nurse Practitioner (Family)
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (248) 638-0508
HAPPIER AT HOME METRO DETROIT
Home Health
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (248) 677-2480
DR. HOWARD E MOORE PH.D.
Psychologist (Clinical)
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (248) 994-1154
INCLUSIVE ABA MI LLC
Behavior Analyst
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (303) 616-1188
KAREN PASLEY
Behavior Technician
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (248) 994-7759
CRESCENT ROOTS PSYCHOLOGICAL SERVICES, PLLC
Psychologist
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (630) 313-2575
DEANNA MARIA SWANSON LMSW
Social Worker (Clinical)
28175 HAGGERTY RD
NOVI, MI 48377
Oakland County (734) 265-0841

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 Jan Griessmann's NPI number?

The NPI number for Jan Griessmann is 1619819869. It was assigned to this individual provider in the NPPES registry on April 7, 2026.

Where is Jan Griessmann located?

Jan Griessmann practices at 28175 Haggerty Rd, Novi, MI 48377. The listed phone number is (734) 201-4846.

What is Jan Griessmann's specialty?

The primary specialty registered for this NPI is Home Health Aide with taxonomy code 374U00000X.

When was this NPI record last updated?

The NPPES record for Jan Griessmann was last updated on April 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.