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MONICA SIERRA LSW
NPI 1639975139
Social Worker in Gurnee, IL

Active since February 24, 2025
4212 OLD GRAND AVE, GURNEE, IL 60031(847) 336-5621 Get Directions Write a Review

NPPES record last updated: February 24, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Monica Sierra Lsw NPPES

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

MONICA SIERRA LSW (NPI 1639975139) is an individual social worker in Gurnee, Illinois, licensed in Illinois (150.106293) and active in the NPI registry since February 2025.

NPPES Registry Identity

NPI1639975139
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMONICA SIERRACredential: LSW
Location Address4212 OLD GRAND AVEGurnee, IL 60031-2708
Mailing Address3498 Dorchester AveGurnee, IL 60031-3602 · (847) 867-9631
Phone(847) 336-5621
Sole ProprietorYes
Enumeration DateFebruary 24, 2025
NPPES CertifiedFebruary 24, 2025
✔ NPI 1639975139 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in IL · 150.106293
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
4212 OLD GRAND AVE, Gurnee, IL 60031
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Other Providers at the Same Location NPPES 15

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

VICTORIA TORRES
Social Worker
4212 OLD GRAND AVE
GURNEE, IL 60031
Lake County (847) 336-5621
MISS LEIGHANN MOORE LCSW
Social Worker (Clinical)
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621
MR. DANIEL KEITH WEBER LPC
Counselor (Professional)
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621
MRS. DONNA MARIE JACKSON MSW, LSW, CDP
Social Worker
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621
MR. PHILIP C. KIRSCHBAUM LCSW
Counselor (Professional)
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621
MRS. DEBBIE L. ELLIS LSW
Social Worker
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621
MS. CHRISTINE J NELSON LPC
Counselor (Professional)
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621
MRS. ROBIN L. MILLER LCSW
Social Worker (Clinical)
4212 OLD GRAND AVE, SUITE 102
GURNEE, IL 60031
Lake County (847) 336-5621

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 Monica Sierra's NPI number?

The NPI number for Monica Sierra is 1639975139. It was assigned to this individual provider in the NPPES registry on February 24, 2025.

Where is Monica Sierra located?

Monica Sierra practices at 4212 Old Grand Ave, Gurnee, IL 60031. The listed phone number is (847) 336-5621.

What is Monica Sierra's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Monica Sierra was last updated on February 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 months 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.