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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.

JENNIFER MERCER
NPI 1043020688
Clinic/Center - Mental Health (Including Community Mental Health Center) in Grosse Pointe, MI

Active since January 07, 2025
17852 MAUMEE AVE, GROSSE POINTE, MI 48230(313) 246-4331 Get Directions Write a Review

NPPES record last updated: June 25, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 31, 2026, Feb 12, 2025, Jan 7, 2025 (3 updates tracked since 2025).

About Jennifer Mercer NPPES

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

JENNIFER MERCER (NPI 1043020688), doing business as Therapist Jen Llc, is a healthcare organization registered as a mental health (including community mental health center) in Grosse Pointe, Michigan and active in the NPI registry since January 2025. The organization lists Jennifer Lynn Mercer, Ceo, as its authorized official.

NPPES Registry Identity

NPI1043020688
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameJENNIFER MERCER
Location Address17852 MAUMEE AVEGrosse Pointe, MI 48230-1612
Mailing Address32680 S River RdHarrison Township, MI 48045-5704 · (586) 915-2546
Phone(313) 246-4331
Organization SubpartNo
Authorized OfficialJennifer Lynn MercerCeo · (586) 915-2546
Enumeration DateJanuary 7, 2025
Last NPPES UpdateJune 25, 20263 updates tracked since enumeration
NPPES CertifiedJune 25, 2026
✔ NPI 1043020688 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
17852 MAUMEE AVE, Grosse Pointe, MI 48230
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Other Names 1

Doing Business AsTherapist Jen Llc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

GROSSE POINTE SPEECH AND LANGUAGE, LLC
Speech-Language Pathologist
17852 MAUMEE AVE
GROSSE POINTE, MI 48230
Wayne County (313) 671-5407
JENNIFER MERCER MA, LPC
Counselor (Professional)
17852 MAUMEE AVE
GROSSE POINTE, MI 48230
Wayne County (313) 246-4331

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 Jennifer Mercer's NPI number?

The NPI number for Jennifer Mercer is 1043020688. It was assigned to this organization in the NPPES registry on January 7, 2025. The provider is doing business as Therapist Jen LLC.

Where is Jennifer Mercer located?

Jennifer Mercer is located at 17852 Maumee Ave, Grosse Pointe, MI 48230. The listed phone number is (313) 246-4331.

What is Jennifer Mercer's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

When was this NPI record last updated?

The NPPES record for Jennifer Mercer was last updated on June 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 43 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.