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LACIEE E ROUSSEAU-MAYER LPC, NCC, M.ED
NPI 1871018747
Counselor - Professional in Saint Louis, MO

Active since August 11, 2017PECOS Enrolled
3284 IVANHOE AVE STE E, SAINT LOUIS, MO 63139(314) 266-9331 Get Directions Write a Review

NPPES record last updated: February 17, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: May 27, 2025, Mar 27, 2025, Dec 9, 2024 and 2 more (5 updates tracked since 2017).

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

NPI1871018747
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameLACIEE E ROUSSEAU-MAYERCredential: LPC, NCC, M.ED
Location Address3284 IVANHOE AVE STE ESaint Louis, MO 63139-2246
Mailing Address3284 Ivanhoe Ave Ste ESaint Louis, MO 63139-2246
Phone(314) 266-9331
Sole ProprietorYes
Medical School CMSOtherGraduated 2022
Enumeration DateAugust 11, 2017
Last NPPES UpdateFebruary 17, 20265 updates tracked since enumeration
NPPES CertifiedFebruary 17, 2026
✔ NPI 1871018747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in MO · 2025006955
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 2025006955 (MO)
3284 IVANHOE AVE STE E, Saint Louis, MO 63139
Open in Google Maps ↗

Secondary Practice Locations 2

Location 11001 Lynch StSaint Louis, MO 63118-1818 · Phone (314) 535-5600
Location 210024 Office Center Ave Ste 100Saint Louis, MO 63128-1392 · Phone (314) 729-7050

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).

PECOS PAC ID3375018336
PECOS Enrollment IDI20260407002247
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 3

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

CADENCE KORITZ HODES LPC
Counselor (Mental Health)
3284 IVANHOE AVE STE E
SAINT LOUIS, MO 63139
St. Louis City (314) 480-5681
ELIZABETH RASTBERGER
Counselor (Mental Health)
3284 IVANHOE AVE STE E
SAINT LOUIS, MO 63139
St. Louis City (314) 675-0056
KATHRYN BESKROWNI NCC, LPC, LCMHC
Counselor (Mental Health)
3284 IVANHOE AVE STE E
SAINT LOUIS, MO 63139
St. Louis City (573) 840-0387

Frequently Asked Questions

What is Laciee Rousseau-mayer's NPI number?

The NPI number assigned to this healthcare provider is 1871018747, enumerated as an "individual" on August 11, 2017.

Where is the provider located?

The provider is located at 3284 IVANHOE AVE STE E SAINT LOUIS, MO 63139 and the phone number is (314) 266-9331.

What is the provider's specialty?

Counselor with taxonomy code 101YP2500X and a focus in Professional.