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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MIKAYLA ALTHOFF
NPI 1174214266
Social Worker in Grand Rapids, MI

Active since May 18, 2023
100 MICHIGAN ST NE # MC845, GRAND RAPIDS, MI 49503(616) 486-6790 Get Directions Write a Review

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

Record update history: Jul 27, 2026, May 18, 2023 (2 updates tracked since 2023).

About Mikayla Althoff NPPES

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

MIKAYLA ALTHOFF (NPI 1174214266) is an individual social worker in Grand Rapids, Michigan, licensed in Michigan (6851120435) and active in the NPI registry since May 2023.

NPPES Registry Identity

NPI1174214266
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMIKAYLA ALTHOFF
Location Address100 MICHIGAN ST NE # MC845Grand Rapids, MI 49503-2560
Mailing Address100 Michigan St Ne # Mc845Grand Rapids, MI 49503-2560 · (616) 486-6790
Phone(616) 486-6790
Sole ProprietorNo
Enumeration DateMay 18, 2023
Last NPPES UpdateJuly 27, 20262 updates tracked since enumeration
NPPES CertifiedJuly 27, 2026
✔ NPI 1174214266 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in MI · 6851120435
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
Also ListedBehavior TechnicianTaxonomy 106S00000X
100 MICHIGAN ST NE # MC845, Grand Rapids, MI 49503
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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.

CASSANDRA CUMMINGS DNP
Nurse Practitioner (Pediatrics)
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
ALI KAY SHORT LMSW
Social Worker (Clinical)
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
NICOLE HOLBROOK
Speech-Language Pathologist
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
MRS. ASHLEY DAWN BRUURSEMA NNP-BC
Nurse Practitioner (Neonatal, Critical Care)
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
MRS. BOBBI JO KIEFF RN, BSN, CDCES
Student in an Organized Health Care Education/Training Program
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
BREANNA MAE NOFFKE PA
Physician Assistant
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
PAIGE NICOLE PHIZACKLEA RD
Dietitian, Registered
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790
AUDRIE CHAPIN LMSW
Social Worker (Clinical)
100 MICHIGAN ST NE # MC845
GRAND RAPIDS, MI 49503
Kent County (616) 486-6790

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 Mikayla Althoff's NPI number?

The NPI number for Mikayla Althoff is 1174214266. It was assigned to this individual provider in the NPPES registry on May 18, 2023.

Where is Mikayla Althoff located?

Mikayla Althoff practices at 100 Michigan St NE # Mc845, Grand Rapids, MI 49503. The listed phone number is (616) 486-6790.

What is Mikayla Althoff's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Mikayla Althoff was last updated on July 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.