LACIEE E ROUSSEAU-MAYER LPC, NCC, M.ED
NPI 1871018747
Counselor - Professional in Saint Louis, MO
About Laciee E Rousseau-mayer Lpc, Ncc, M.ed NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LACIEE E ROUSSEAU-MAYER LPC, NCC, M.ED (NPI 1871018747) is an individual professional provider in Saint Louis, Missouri, licensed in Missouri (2025006955) and active in the NPI registry since August 2017. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Laciee E Rousseau-mayer Lpc, Ncc, M.ed is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAINT LOUIS, MO 63139
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 Laciee Rousseau-mayer's NPI number?
The NPI number for Laciee Rousseau-mayer is 1871018747. It was assigned to this individual provider in the NPPES registry on August 11, 2017.
Where is Laciee Rousseau-mayer located?
Laciee Rousseau-mayer practices at 3284 Ivanhoe Ave Ste E, Saint Louis, MO 63139. The listed phone number is (314) 266-9331.
What is Laciee Rousseau-mayer's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Laciee Rousseau-mayer enrolled in Medicare?
Yes. Laciee Rousseau-mayer is registered in the Medicare PECOS enrollment system.
When was this NPI record last updated?
The NPPES record for Laciee Rousseau-mayer was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Laciee E Rousseau-Mayer, LPC, NCC, M.ED · NPI 1871018747
Professional provider in Saint Louis, Missouri. Individual provider, active in the CMS NPPES registry since August 11, 2017.
## Identity
- **NPI:** 1871018747 (Entity type: Individual)
- **Enumerated:** August 11, 2017
- **Primary specialty:** Counselor - Professional · taxonomy 101YP2500X
- **State license:** 2025006955 (Missouri)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3284 IVANHOE AVE STE E, Saint Louis, MO 63139-2246
- **Phone:** (314) 266-9331
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** July 29, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1871018747) · Data from the CMS NPPES public registry.