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

MALLORY MARIE ERNDT
NPI 1518720044
Counselor in Bay City, MI

Q: What is Mallory Erndt's NPI number?

The NPI number for Mallory Erndt is 1518720044. It was assigned to this individual provider in the NPPES registry on February 6, 2024.

Q: What is Mallory Erndt's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Q: When was this NPI record last updated?

The NPPES record for Mallory Erndt was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 28 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.

Active since February 06, 2024

126 WASHINGTON AVE, BAY CITY, MI 48708(989) 684-7977(989) 684-4331 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 14, 2026, Jul 8, 2026, Feb 6, 2024 (3 updates tracked since 2024).

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About Mallory Marie Erndt NPPES

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

MALLORY MARIE ERNDT (NPI 1518720044) is an individual counselor in Bay City, Michigan and active in the NPI registry since February 2024. She maintains 6 additional practice locations.

NPPES Registry Identity

NPI1518720044

Entity TypeIndividualFemale

Primary Taxonomy101Y00000X

Provider Legal NameMALLORY MARIE ERNDT

Location Address126 WASHINGTON AVEBay City, MI 48708-5846

Mailing Address3906 Tremont CtBay City, MI 48706-9243 · (989) 484-6662

Phone(989) 684-7977

Fax(989) 684-4331

Sole ProprietorNo

Enumeration DateFebruary 6, 2024

Last NPPES UpdateJuly 14, 20263 updates tracked since enumeration

NPPES CertifiedJuly 14, 2026

✔ NPI 1518720044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers

Taxonomy Code101Y00000X

Definition

A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X

126 WASHINGTON AVE, Bay City, MI 48708

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Secondary Practice Locations 6

Location 1624 W Nepessing St Ste 300Lapeer, MI 48446-2089 · Phone (810) 667-4500 · Fax (800) 701-9817

Location 2467 N State StCaro, MI 48723-1539 · Phone (989) 672-2016 · Fax (800) 305-0193

Location 3110 E Huron AveBad Axe, MI 48413-1312 · Phone (989) 975-6696 · Fax (800) 878-4243

Location 45024 N Center RdSaginaw, MI 48604-9412 · Phone (989) 790-3130 · Fax (800) 246-0738

Location 5651 N State StCaro, MI 48723-1584 · Phone (989) 673-5700 · Fax (800) 305-0193

Location 633 W Sanilac RdSandusky, MI 48471-1036 · Phone (810) 648-0668 · Fax (800) 701-9817

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.

WILMA BILLOW LMSW

Social Worker

126 WASHINGTON AVE, BAY CITY
BAY CITY, MI 48708

Bay County (989) 684-7977

TODD BUTTERFIELD JR. LMSW, CADC

Social Worker (Clinical)