MEGAN WILLIAMS LCSW
NPI 1386031128
Social Worker in Crystal Lake, IL

Q: What is Megan Williams's NPI number?

The NPI number for Megan Williams is 1386031128. It was assigned to this individual provider in the NPPES registry on April 20, 2015. The provider is also known as Megan Williams Lcsw.

Q: What is Megan Williams's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Megan Williams was last updated on March 9, 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.

Active since April 20, 2015PECOS EnrolledAccepts Medicare Assignment

333 COMMERCE DR STE 600, CRYSTAL LAKE, IL 60014(779) 356-4095(779) 356-4121 Get Directions Write a Review

NPPES record last updated: March 9, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

On this page

About Megan Williams Lcsw NPPES

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

MEGAN WILLIAMS LCSW (NPI 1386031128) is an individual social worker in Crystal Lake, Illinois and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS and is a graduate of Other (2018).

NPPES Registry Identity

NPI1386031128

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameMEGAN WILLIAMSCredential: LCSW

Location Address333 COMMERCE DR STE 600Crystal Lake, IL 60014-3598

Mailing Address333 Commerce Dr Ste 600Crystal Lake, IL 60014-3598 · (779) 356-4095 · Fax (779) 356-4121

Phone(779) 356-4095

Fax(779) 356-4121

Sole ProprietorYes

Medical School CMSOtherGraduated 2018

Enumeration DateApril 20, 2015

Last NPPES UpdateMarch 9, 2025

NPPES CertifiedMarch 9, 2025

✔ NPI 1386031128 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

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 ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License 149022746 (IL)

333 COMMERCE DR STE 600, Crystal Lake, IL 60014

Open in Google Maps ↗

Other Names 1

Professional Name (2)Megan Williams Lcsw

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Megan Williams Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880119007

PECOS Enrollment IDI20250421002293

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.

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 Megan Williams's NPI number?

The NPI number for Megan Williams is 1386031128. It was assigned to this individual provider in the NPPES registry on April 20, 2015. The provider is also known as Megan Williams Lcsw.

Where is Megan Williams located?

Megan Williams practices at 333 Commerce Dr Ste 600, Crystal Lake, IL 60014. The listed phone number is (779) 356-4095.

What is Megan Williams's specialty?

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

Is Megan Williams enrolled in Medicare?

Yes. Megan Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Megan Williams accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Home State Health list Megan Williams 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 Megan Williams was last updated on March 9, 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.