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 - Mental Health 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, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Mallory Erndt was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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, 2024PECOS Enrolled

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

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Sep 28, 2026, Jul 14, 2026, Jul 8, 2026 and 1 more (4 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 mental health provider in Bay City, Michigan and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS and maintains 6 additional practice locations.

NPPES Registry Identity

NPI1518720044

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

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 UpdateOctober 20, 20264 updates tracked since enumeration

NPPES CertifiedOctober 20, 2026

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

Specialties & Licenses 3

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

Also ListedCounselorTaxonomy 101Y00000X

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X

126 WASHINGTON AVE, Bay City, MI 48708

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Secondary Practice Locations 6

Location 1467 N State StCaro, MI 48723-1539 · Phone (989) 672-2016 · Fax (800) 305-0193

Location 25024 N Center RdSaginaw, MI 48604-9412 · Phone (989) 790-3130 · Fax (800) 246-0738

Location 333 W Sanilac RdSandusky, MI 48471-1036 · Phone (810) 648-0668 · Fax (800) 701-9817

Location 4624 W Nepessing St Ste 300Lapeer, MI 48446-2089 · Phone (810) 667-4500 · Fax (800) 701-9817

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

Location 6110 E Huron AveBad Axe, MI 48413-1312 · Phone (989) 975-6696 · Fax (800) 878-4243

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mallory Marie Erndt is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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)