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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.

MARY K ANDERSON MSW,LSW,LCSW
NPI 1407565831
Social Worker in Marion, IL

Active since November 15, 2022
324 S 4TH ST, MARION, IL 62959(618) 351-9700 Get Directions Write a Review

NPPES record last updated: October 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 27, 2026, Mar 20, 2023, Nov 15, 2022 (3 updates tracked since 2022).

About Mary K Anderson Msw,lsw,lcsw NPPES

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

MARY K ANDERSON MSW,LSW,LCSW (NPI 1407565831) is an individual social worker in Marion, Illinois, licensed in Illinois (150105618) and active in the NPI registry since November 2022.

NPPES Registry Identity

NPI1407565831
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARY K ANDERSONCredential: MSW,LSW,LCSW
Location Address324 S 4TH STMarion, IL 62959-1241
Mailing Address324 S 4th StMarion, IL 62959-1241 · (618) 351-9700
Phone(618) 351-9700
Sole ProprietorNo
Enumeration DateNovember 15, 2022
Last NPPES UpdateOctober 27, 20263 updates tracked since enumeration
NPPES CertifiedOctober 27, 2026
✔ NPI 1407565831 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in IL · 150105618
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 149.028535 (IL)
324 S 4TH ST, Marion, IL 62959
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

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.

RAE LYNN ALLEN
Speech-Language Pathologist
324 S 4TH ST
MARION, IL 62959
Williamson County (618) 694-4027
DR. MALLORY LYNN GARY PH.D, LSW
Social Worker
324 S 4TH ST
MARION, IL 62959
Williamson County (618) 816-5362
RENAL LIFE LINK INC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
324 S 4TH ST
MARION, IL 62959
Williamson County (618) 997-8410

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 Mary Anderson's NPI number?

The NPI number for Mary Anderson is 1407565831. It was assigned to this individual provider in the NPPES registry on November 15, 2022.

Where is Mary Anderson located?

Mary Anderson practices at 324 S 4th St, Marion, IL 62959. The listed phone number is (618) 351-9700.

What is Mary Anderson's specialty?

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

What insurance does Mary Anderson accept?

Health plans from Oscar Health list Mary Anderson as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Anderson was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.